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1780–1839 · Modern

Sébastien Nam I-gwan (Korean: 남이관 세바스티아노) was a Korean Christian layman and catechist, born in 1780 in Chungju, Chungcheong Province, Korea, and died on September 26, 1839, at Dangkogae near Seoul.

100–100 · Early Church

Saint Secundus or Secundius (Spanish: San Segundo) is venerated as a Christian missionary and martyr of the 1st century, during the Apostolic Age. He evangelized the town of Abula, which has been identified as either Abla or Ávila, and became its first bishop.

450–475 · Early Church

Senator of Milan or Senator of Settala (Italian: Senatore di Settala) was Bishop of Milan from 472 to 475. He is honoured as a saint in the Eastern Orthodox Church and Catholic Church and his feast day is 28 May.

924–982 · Medieval · Benedictines

Saint Senhorinha of Basto, also Senorina (Portuguese: Santa Senhorinha de Basto; c. 942 – 982) was a Portuguese Benedictine abbess in what is today northern Portugal.

488–560 · Medieval

Senán mac Geircinn (fl. 6th century) was an Irish Christian minister. He was a resident of Munster and is important in Irish tradition, as founder of Inis Cathaigh (Scattery Island, Iniscathy) and patron of the Corco Baiscinn and the Uí Fhidgeinte.

1540–1604 · Reformation · Order of Friars Minor Capuchin

Seraphin of Montegranaro (Italian: Serafino da Montegranaro; 1540 – October 12, 1604), was an Italian Capuchin lay brother, who is honored as a saint by the Catholic Church.

200–211 · Early Church

Serapion of Antioch was a Patriarch of Antioch (Greek: Σεραπίων; 191–211). He is known primarily through his theological writings, although all but a few fragments of his works have perished. His feast day is celebrated on 30 October.

300–370 · Early Church

Serapion or Sarapion (Greek: Σεραπίων, romanized: Serapíon; Russian: Серапион; fl. early 4th century), known as Serapion of Nitria, Serapion of Thmuis or Serapion the Scholastic, was an early Christian monk and bishop of Thmuis in Lower Egypt.

650–669 · Medieval

Saint Serenicus (French: Céneri or Sérène; c. 620 – c. 669) was an Italian Benedictine monk. He was an early evangelist in Normandy, and founded a monastery and a chapel in a village in Orne that later took the name of Saint-Céneri-le-Gérei. Serenicus is venerated as a saint.

612–680 · Medieval

Serenidus of Saulges (French: Cénéré de Saulges, also variously spelled Sénéré, Céneré, Sérène, or Sérenède; c. 600 – c. 680) was a 7th-century Italian Benedictine monk. His feast day is celebrated on 7 May, with his brother Serenicus, or locally on 16 August.

650–701 · Medieval

Pope Sergius I (c. 650 – 8 September 701) was the bishop of Rome from 15 December 687 to his death on 8 September 701, and is revered as a saint by the Roman Catholic Church.

400–403 · Early Church

Severin of Cologne (Latin: Severinus) was the third Bishop of Cologne, living in the later 4th century. Severin is said in 376 to have founded a monastery in the then Colonia Agrippina in honour of the martyrs Cornelius and Cyprian, from which developed the later Basilica of St.…

410–482 · Early Church · Benedictines

Severinus of Noricum (c. 410 – 8 January 482) is a saint, known as the "Apostle to Noricum". It has been speculated that he was born in either Southern Italy or in the Roman province of Africa.

300–340 · Early Church

Saint Severus of Ravenna was a 4th-century Bishop of Ravenna who attended the Council of Sardica in 343. He was ordained as a bishop due to his personal virtue and because of "the sign of a dove". He is commemorated on February 1.

400–500 · Medieval

Severus von Trier was Bishop of Trier from about 445/446. He proselytized to and contributed to the conversion of Germanic peoples living in the regions of the lower Moselle and Middle Rhine.

300–341 · Early Church

Mar Shimun Bar Sabbae (Classical Syriac: ܡܪܝ ܫܡܥܘܢ ܒܪܨܒܥܐ, romanized: Shemʿon bar Ṣabbaʿe; died Good Friday, 345) was the Assyrian Bishop of Seleucia-Ctesiphon, from Persia, the de facto head of the Church of the East until his death.

995–1045 · Medieval · Benedictines

Saint Sigfrid of Sweden (Swedish: Sigfrid, Latin: Sigafridus, Old Norse: Sigurðr, Old English: Sigefrið/Sigeferð) was a missionary-bishop in Scandinavia during the first half of the 11th century.

550–581 · Medieval · Benedictines

Sigo (Latin: Sequanus; French: Seine; died c. 580 AD) was a Burgundian abbot of the sixth century. He is a saint of the Roman Catholic Church, an Orthodox saint and the reputed founder of the Abbey of Saint-Seine.

477–537 · Medieval · Benedictines

Pope Silverius (died 2 December 537) was bishop of Rome from 8 June 536 to his deposition in 537, a few months before his death. His rapid rise to prominence from a deacon to the papacy coincided with the efforts of Ostrogothic king Theodahad (nephew to Theodoric the Great), who…

1110–1185 · Medieval

Silvester of Troina was a Basilian monk, who originally entered the monastery at Bari, Italy, but fled when he was to be appointed abbot. Silvester then lived the rest of his life as a hermit.

1886–1900 · Contemporary

The Martyr Saints of China (traditional Chinese: 中華殉道聖人; simplified Chinese: 中华殉道圣人; pinyin: Zhōnghuá xùndào shèngrén), or Augustine Zhao Rong and his Companions, are 120 saints of the Catholic Church.

1787–1840 · Modern

Simon Phan Đắc Hoà was a physician born in 1774. A member of the Catholic Church, he died by decapitation in 1840. He is recognized as a Catholic saint and blessed.

1855–1900 · Contemporary · Franciscans

Simon Qin Cunfu was a Franciscan friar born in Hebei in 1855. He died in Taiyuan in 1900 and is recognized as a Catholic saint and blessed within the Catholic Church.

1164–1265 · Medieval · Carmelites

Simon Stock, OCarm was an English Catholic priest and saint who lived in the 13th century and was an early prior of the Carmelite Order. The Blessed Virgin Mary is traditionally said to have appeared to him and given him the Brown Scapular.

750–807 · Medieval · Benedictines

Simpert (c. 750 – 13 October 807) was an abbot, bishop, and confessor of the late-8th and early-9th centuries, and was supposedly the nephew of Charlemagne. He was educated at Murbach Abbey in Alsace, where he took the Benedictine habit and was elected abbot.

320–401 · Early Church

Simplician (Latin: Simplicianus; Italian: Simpliciano) was Bishop of Milan from 397 to 400 or 401 AD. He is honoured as a Saint in the Roman Catholic and Eastern Orthodox Churches and his feast day is August 14.

201–304 · Early Church

Saint Simplicio of Olbia was a Catholic priest and bishop born in 201 and died in 304. He is recognized as a saint within the Catholic Church.

420–483 · Early Church

Pope Simplicius (died 2 or 10 March 483) was the bishop of Rome from 468 to his death on 10 March 483. He combated the Eutychian heresy, ended the practice of consecrating bishops only in December, and sought to offset the effects of Germanic invasions.

375 · Early Church

Simplicius (died Autun, 4th century) was a Roman bishop in 4th-century Gaul, venerated as a saint by the Catholic Church. What we know of the holy bishop Simplicius comes from the De gloria confessorum by Gregory of Tours (late 6th century), who testifies to having seen his tomb…

1814–1866 · Modern

Siméon-François Berneux (14 May 1814 – 8 March 1866) was a French Catholic missionary to Asia, and a member of the Paris Foreign Missions Society who was canonized as a saint. Berneux was executed in the anti-Christian purges at Saenamteo, Seoul, Korea, in 1866.

1552–1624 · Reformation · Trinitarian Order

Simón de Rojas (28 October 1552 – 29 September 1624) was a Spanish priest of the Trinitarian Order known as the "Apostle of the Ave Maria", for his devotion to the Blessed Virgin Mary.

334–399 · Early Church

Pope Siricius (c. 334 – 26 November 399) was the bishop of Rome from December 384 to his death on 26 November 399. In response to inquiries from Bishop Himerius of Tarragona, Siricius issued the Directa decretal, containing decrees of baptism, church discipline and other matters.…

42–126 · Early Church

Pope Sixtus I (Greek: Σίξτος), also spelled Xystus, a Roman of Greek descent, was the bishop of Rome from c. 117 or 119 to his death c. 126 or 128. He succeeded Alexander I and was in turn succeeded by Telesphorus. His feast is celebrated on 6 April.

390–440 · Early Church

Pope Sixtus III, also called Pope Xystus III, was the bishop of Rome from 31 July 432 to his death on 18 August 440. His ascension to the papacy is associated with a period of increased construction in the city of Rome.

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Saint Sophronius of Cyprus was a Catholic priest who served as a bishop. He is recognized as a saint within the Catholic Church.

200–175 · Early Church

Pope Soter (Greek: Σωτήρ, Latin: Soterius) was the bishop of Rome from c. 167 to his death in c. 174. According to the Annuario Pontificio, the dates may have ranged from 162–168 to 170–177. He was born in Fundi, in the Lazio region of Italy.

1216–1276 · Medieval · Benedictines

Sperandia (or Sperandea) (1216 – September 11, 1276) is venerated as a saint by the Catholic Church. Sperandia was born in Gubbio. It is often said that she was a relative of Saint Ubald, but there are no records to indicate that.

600–700 · Medieval

Saint Ada (also known as Adeneta, Adna, Adnetta, Adonette, Adrechild, Adrehildis, end of 6th or 7th century), was a saint and abbess. She was the niece or granddaughter of Saint Englebert, bishop of Le Mans. Ada was a nun at Soissons, France.

977 · Medieval

Saint Anastase was a Catholic priest and bishop who served as the archbishop of Sens. He died in 977 and is recognized as a saint within the Catholic Church.

650–665 · Medieval

Numerian (Latin: Marcus Aurelius Numerius Numerianus; died November 284) was Roman emperor from 283 to 284 with his older brother Carinus. They were sons of Carus, a general raised to the office of praetorian prefect under Emperor Probus in 282.

1218–1278 · Medieval

Zita (c. 1218 – 27 April 1278), also known as Sitha or Citha, is an Italian saint, the patroness saint of maids and domestic servants. She is often appealed to in order to help find lost keys.

1550–1568 · Reformation · Society of Jesus

Stanisław Kostka, S.J. (28 October 1550 – 15 August 1568) was a Polish novice in the Society of Jesus. He was born at Rostkowo, Przasnysz County, Poland, on 28 October 1550, and died in Rome during the night of 14–15 August 1568.

1030–1079 · Medieval

Stanislaus of Szczepanów (Polish: Stanisław ze Szczepanowa; 26 July 1030 – 11 April 1079) was a Polish Catholic prelate who served as Bishop of Kraków and was martyred by the Polish King Bolesław II the Bold. He is the patron saint of Poland.

1433–1489 · Medieval · Canons Regular of the Lateran

Stanisław Kazimierczyk (born Stanisław Sołtys, 27 September 1433 – 3 May 1489) was a Polish Catholic priest and a professed member of the Canons Regular of the Lateran.

1876–1942 · Contemporary

Stanisław Kubski was a Polish Catholic priest, parson, and vicar born in 1876 in Książ, Kuyavian-Pomeranian Voivodeship. He died in 1942 at the Buchenwald concentration camp. He is recognized as a saint by the Catholic Church.

1896–1942 · Contemporary

Stanisław Mysakowski (born September 15, 1896, in Wojsławice, died October 30, 1942, in Dachau) was a Polish Catholic priest, social activist, pastor, and youth mentor, and a blessed of the Catholic Church.

1631–1701 · Modern · Piarists

Stanislaus Papczyński, MIC (18 May 1631 – 17 September 1701), born Jan Papczyński and in religion Stanislaus of Jesus and Mary, was a Polish Catholic priest who founded the Marians of the Immaculate Conception, the first Polish religious order for men.

1913–1942 · Contemporary

Stanisław Pyrtek was a Polish Catholic presbyter and vicar born in 1913 in Bystra Podhalańska. He died in 1942 in Hlybokaye and is recognized as a saint by the Catholic Church.

1895–1941 · Contemporary

Stanisław Kostka Starowieyski (1895-1941) is Polish Blessed of the Catholic Church, who was a church, social, and charitable activist, as well as and a papal chamberlain.

1908–1942 · Contemporary · Conventual Franciscans

Stanisław Tymoteusz Trojanowski (born July 29, 1908, in Sadłowo, Żuromin County; died at Auschwitz on February 28, 1942) was a Conventual Franciscan friar, beatified by John Paul II as a victim of Nazism.