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950–1014 · Medieval

Saint Israel of Le Dorat was born around 950 into a noble family in Le Dorat, at the gate of Dinsac, between Limoges and Poitiers. A stone cross marks the site of his house. His feast day is December 12 in the Roman Martyrology and September 13 locally.

1472 · Medieval

Isidore of Dorpat (died 1472, Dorpat) was a priest of St. Nicholas Church in Dorpat who, according to tradition, was killed for refusing to convert to Catholicism.

1123–1160 · Medieval · Carthusian Order

John of Spain, born in 1123 in Almanza (Kingdom of León) and died on June 25, 1160, in the commune of Le Reposoir (Duchy of Savoy), was the founder of the Charterhouse of Le Reposoir. He was beatified on July 14, 1864, by Pope Pius IX.

801 · Medieval

John of Porto or of Tui (Porto, Portugal, then Kingdom of León – Tui, Galicia, 9th century) was a Portuguese hermit from the Tui region. He is venerated as a saint by the Catholic Church, with a local cult in the area.

1350–1450 · Medieval · Lay Carmelites

Jeanne of Toulouse is a Catholic blessed. While the details of her biography are subject to caution, it appears she lived between the 13th and 14th centuries in Toulouse, in the Kingdom of France. She is linked to the history of the Carmelite convent in the city.

1073–1164 · Medieval · Cistercians

John Cirita (Northern Kingdom of Portugal, c. 1073 – São Cristóvão de Lafões, December 23, 1164) was a Benedictine monk, traditionally considered the introducer of the Cistercian Order to Portugal. He is venerated as a saint by the Catholic Church.

1400–1427 · Medieval

Johannes Rimer (born in the 14th century; died May 16, 1427) was a priest in the then-Bohemian town of Lauban in Upper Lusatia. When the Hussites conquered the town in May 1427, he was murdered along with approximately 1,000 other Catholics.

1001–1095 · Medieval

Saint John of Montemarano (Montemarano, 11th century – Montemarano, April 14, 1095) was the first bishop of the Diocese of Montemarano and is venerated as a saint by the Catholic Church.

1065–1130 · Medieval

John I of Warneton, also known as Blessed or Saint John of Warneton, was a Flemish bishop of the former Diocese of Thérouanne. Born in 1065 in Warneton or Bas-Warneton and died on January 27, 1130, in Thérouanne, he was elected by the clergy in 1099 and confirmed by Pope Urban II…

1470 · Medieval

Jonah, born John (Russian: Иона, Iona; died November 5, 1470), was a Russian Orthodox archbishop who served as Bishop of Novgorod between 1458 and 1470.

884 · Medieval

Saint George of Lodève was a bishop originally from Rouergue, in the vicinity of Rodez. He was first a monk at the Abbey of Sainte-Foy de Conques. He experienced the Norman invasion, which destroyed the monastery.

1340–1397 · Medieval · Franciscans

Juan Lorenzo de Cetina (Cetina, 1340 – Granada, May 19, 1397) was an Aragonese Spanish Franciscan friar who died as a martyr in the city of Granada while preaching with his companion Pedro de Dueñas. He is venerated as a blessed by the Catholic Church.

650–700 · Medieval

John of Atarés was a Hispanic hermit of the late 7th century. He is considered a blessed by the Catholic Church, which celebrates his feast day on May 29. In Upper Aragon, he is popularly considered a saint.

950–1000 · Medieval

Judith of Ringelheim (died March 13, 1000) was the abbess of the Ringelheim collegiate foundation. She is venerated as a saint in the Catholic Church. Judith’s parents were Dietrich of Saxony (died 995) and Friteruna; her brother was Bishop Bernward of Hildesheim.

685–750 · Medieval · Benedictines

Juliana of Pavilly (French: Julienne de Pavilly), also known as Juliana of Montreuil, was the third abbess of the Abbey of Austreberthe in Pavilly, in the French department of Seine-Maritime. Her feast day as a saint is October 11.

550 · Medieval

Justinian was the first bishop of Valencia of whom there is historical record, living during the time of Theudis, King of the Visigoths. He was abbot of the monastery that stood around the tomb of Saint Vincent the Martyr.

850–856 · Medieval

Jeroen of Noordwijk (died 856) was a 9th-century Scottish monk and priest who came to evangelize the Low Countries. He died a martyr at the hands of the Vikings. In Dutch, his name is written Jeroen and pronounced Yeroon. His feast day is August 17.

656 · Medieval

Mochoemoc (died c. 656) was a holy abbot of Leamokevoge. His feast day is March 13. Saint Mochoemoc, also known as Kennoch, Mo-Chaomhog, Pulcherius, or Vulcanius, was born in Munster, Ireland. He was raised by his aunt, Saint Ita (feast day January 15).

1219–1238 · Medieval

Christina of Vladimir (c. 1219–1238) was a pious princess of Vladimir, the wife of Prince Vladimir Yuryevich and daughter-in-law of Grand Prince Yuri II Vsevolodovich of Vladimir.

1262 · Medieval

Bishop Cyril (died May 21, 1262) was the Bishop of Rostov and Yaroslavl from 1230 to 1262. He served as the abbot of the Nativity of the Theotokos Monastery in Vladimir. He governed the diocese from April 6, 1230 (or 1231), until nearly the day of his death.

1080–1132 · Medieval · Benedictines

Conrad I of Raitenbuch (also known as Kuno of Regensburg), born around 1070 and died on May 19, 1132, in Regensburg, was a German prelate who served as abbot of Siegburg and the twentieth bishop of Regensburg from 1126 to 1132. He is venerated in Bavaria as a blessed.

1492 · Medieval

Cosmas of Yakhroma (Church Slavonic: Venerable Cosmas of Yakhroma) is a saint of the Orthodox Church. He lived in the 15th century. He took monastic vows at the Kiev Pechersk Lavra, where he resided for some time.

667 · Medieval

Landoaldus, also Landoald of Ghent (died c. 668), is a Roman Catholic saint belonging to the so-called saints of Wintershoven. Landoaldus was a priest in Rome of Lombard descent.

550 · Medieval

Laudomar (born c. 530, died c. 590 in Chartres) was a saint of the Catholic Church and the founder of the monastery in Corbion (Abbaye de Corbie). According to his biography, written in the 9th century, he was born in the Diocese of Chartres, where he served as a priest.

1243 · Medieval · Benedictines

Laurentius Loricatus (died 1243) was a soldier who later became a Benedictine. The nickname Loricatus (armored) is derived from the penitential shirt made of chains that Laurentius wore.

480–546 · Medieval

Laureanus is a saint beatified in La Rioja, Spain, of Castilian origin, dating from the year of Our Lord 522. He died after suffering martyrdom at the hands of Totila, King of the Ostrogoths and a follower of Arianism, in Vatan.

1450 · Medieval · Carmelites

Lawrence Cook, born at an unknown date and place and died on August 4, 1540, at Tyburn, was an English Carmelite friar and Catholic martyr, executed for refusing to recognize King Henry VIII as the supreme head of the Church of England.

900 · Medieval

Leo of Rouen (died 900) was a hieromartyr. His feast day is March 1. According to church tradition, Saint Leo was the bishop of Rouen during the Saracen invasions. He was beheaded by them near Bayonne, of which he is still venerated as the patron saint today.

541 · Medieval

Leo (died Sens, before 549) was a Frankish bishop of Sens in the first half of the 6th century, venerated as a saint by the Catholic Church. According to the oldest episcopal catalogues, Leo was the 16th bishop of the Archdiocese of Sens.

580 · Medieval · Benedictines

Saint Liberata of Como (Rocca d'Olgisio, ... – Como, 580) was an Italian religious woman and a Benedictine nun; she is venerated as a saint in the Western Christian tradition, particularly in Como, together with her sister Faustina.

1140 · Medieval · Benedictines

Saint Libert (Latin: Libertus, Liethbertus; French: Liébert; German: Lietbert, Lietbrecht; died 1140) was a saint of the Catholic Church, a Benedictine monk, and a martyr. He was a priest who, as a recluse at the monastery of Saint-Crespin, offered God's mercy to pilgrims.

500 · Medieval

Lleucu was a 5th-century saint, possibly from Llangwyryfon, who founded a monastery with the disciples of Ursula, a woman from Cornwall who was martyred in Germany in the 4th century. This is the only church known to have been founded by her exclusively for women.

632 · Medieval

The name Lupus appears four times in the records of the Catholic Church, with feast days—all celebrated only locally—scattered throughout the Catholic sanctoral. Lupus of Limoges was a Bishop of Limoges who died in 632.

580–640 · Medieval

Llwchaiarn or Llwchayarn (born 580) was a 7th-century male saint and the patron saint of the churches of Saint Llwchaiarn, Llanmerewig and Llanllwchaiarn, both in the old cantref of Cedewain, Powys, as well as Llanychaearn and Llanllwchaearn in Ceredigion.

600 · Medieval

Saint Llŷr Forwen was a 6th-century saint. Her surname, Morwen, is often misinterpreted as the word morwyn (virgin), but it denotes someone with connections to the sea. She is sometimes confused with Llŷr Merini, the husband of Gwen of Talgarth.

1120–1163 · Medieval

Lorenzo of Frazzanò, born Lorenzo Ravì (Frazzanò, October 22, 1120 – Frazzanò, December 30, 1162), was an Italian Christian monk and priest, venerated as a saint by the Catholic Church and the Orthodox Church.

984 · Medieval

Luke of Demenna, also known as Luke of Armento (Demenna, early 10th century – Armento, October 13, 984), was an Italian abbot and the founder of several monasteries in northern Calabria and Lucania. He is venerated as a saint by the Catholic Church.

1100–1090 · Medieval

Lucie of Sampigny, Princess of Scotland, lived in the 5th or 6th century, or according to other sources, in the 11th century. She is recognized as a saint by the Catholic Church, with her feast day celebrated on September 19, primarily in Lorraine.

1050–1100 · Medieval

Lucy of Settefonti, also known as Lucy of Septifonte or Lucy of the Seven Fountains (born in the 11th century in Bologna, died c. 1100 at Settefonti Abbey), was an Italian Camaldolese nun, virgin, abbess of the Monastery of Saint Christina in Settefonti, and a blessed of the Cath…

1109–1185 · Medieval · Premonstratensians

Ludwig III of Arnstein (born 1109 at Arnstein Castle; died October 28, 1185, at Gommersheim Monastery, present-day Gau-Odernheim) was a count and a multiple monastery founder.

900–887 · Medieval

Luithard (Old High German liut "people" and harti "hard"; also Latinized as Luithardus; born unknown; died 887 in Paderborn) was the third Bishop of Paderborn (862–887). Luithard undertook important collegiate and monastic foundations, such as Niggenkerken near Höxter in 863.

1274–1309 · Medieval · Cistercians

Lukardis of Oberweimar, O.Cist. (born between 1262 and 1276, presumably in Erfurt; died March 22, 1309, in Oberweimar) was a German Cistercian nun and mystic. She is venerated as a blessed in the Roman Catholic Church.

851 · Medieval

Lupus of Carcassonne was an Occitan cleric, likely from Carcassonne, who lived in the mid-9th century. He is venerated as a saint by various Christian denominations. Nothing certain is known about his life.

450–518 · Medieval

Leonien of Vienne is a Roman Catholic and Orthodox saint who was a hermit and abbot in Vienne (Rhône valley). Born in Pannonia (modern-day Hungary) in the 5th century, he lived in Gaul for more than forty years, first in Autun and then in Vienne, where he died and was buried in t…

1005 · Medieval

Macarius the Abbot, or Saint Macarius of Collesano (Collesano – Oliveto Citra, December 16, 1000), was an Italian monk; he is venerated as a saint by the Catholic Church.

1383–1431 · Medieval

Macarius Macres (also Macra or Macrus; Greek: Μακάριος Μακρῆς) was a 15th-century Greek monk from Mount Athos. He was a close friend of George Sphrantzes, who sponsored his appointment as hegumen (abbot) of the Pantokrator Monastery in Constantinople.

1402–1483 · Medieval

Macarius of Kalyazin (born Matvey Vasilyevich Kozhin; c. 1402 – March 17, 1483) was a Russian religious figure and a saint of the Russian Orthodox Church. The son of a boyar, he founded the Trinity Makaryev Monastery, where he also served as abbot.

1415–1465 · Medieval · Augustinian nuns

Maddalena Albrici (Como, 1390 – Como, May 15, 1465) was an Italian religious sister and abbess of the Augustinian monastery of Saint Andrew in Brunate. Her cult as a blessed was confirmed by Pope Pius X in 1907.

650 · Medieval

Saint Mainbeuf (Magnobodus) was Bishop of Angers from 610 to 660. His feast day is October 16. He had the Church of Saint-Saturnin built in Angers, where he was buried. He also wrote a Vita S. Licinii.

400–500 · Medieval

Mansuetus (Latin: Mansuetus Uricitanus; 4th century – 5th century) was the bishop of Urusi in the African province of Proconsular, who suffered martyrdom under the Vandal king Gaiseric, a supporter of Arianism.