All articles starting with J
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John O'Hanlon
John O'Hanlon (1821–1905) was an Irish Catholic priest, born in Stradbally, who wrote over twenty books on Irish saints, history, and folklore, chiefly the monumental Lives of the Irish Saints.
John O'Hurley
John O'Hurley (born 1954, Kittery, Maine) is an American actor and host, aka J. Peterman on Seinfeld, sixth host of Family Feud (2006–2010), and longtime host of NBC's National Dog Show.
John O’Keefe
John O'Keefe, born 1939, is a British-American neuroscientist at University College London who discovered hippocampal place cells and won the 2014 Nobel Prize in Physiology or Medicine.
John O'Neil
John Thomas O'Neil (1898-1950), American rugby union forward from a Texas oil family, Santa Clara Broncos; won Olympic gold with the USA at Antwerp 1920 and Paris 1924, distinct from the 1946 MLB shortstop and the Scottish footballer of the same name.
John O'Shea
John O'Shea (born 1981), Irish defender; Manchester United 1999-2011 (393 apps, 11 major medals), Sunderland, Reading; 118 Ireland caps, Euro 2012 and 2016; later Ireland interim head coach in 2024.
John Oates
John Oates is an American singer and guitarist, best known as cofounder of the duo Daryl Hall and John Oates. The duo sold over 80 million albums.
John of Avila
John of Avila (Juan de Ávila) was a Spanish priest and ascetic writer known as the apostolic preacher of Andalusia, declared a Doctor of the Church in 2012.
John of Bohemia
John of Bohemia (John the Blind, 1296-1346), Luxembourg count and Bohemian king, son of Henry VII; crowned 1311 at Prague, blind by 1339, famed for marriage diplomacy, Luxembourg fiscal reforms, and death fighting for France at Crécy 1346.
John of Capistrano
John of Capistrano (Giovanni da Capestrano, 1386–1456) was an Italian Franciscan friar, jurist, and preacher who recruited and led the crusader force that repelled the Ottoman siege of Belgrade in 1456.
John of Damascus (يوحنا الدمشقي)
John of Damascus, also known as John Damascene, was an eighth-century Melkite Christian theologian and hymnographer of Damascus who served the Umayyad administration and defended religious images.
John of Ephesus
John of Ephesus (ܝܘܚܢܢ ܕܐܦܣܘܣ), also known as John of Amida or John of Asia, was a Syriac-speaking miaphysite bishop and historian, born around 507.
John of Gaunt
John of Gaunt (March 1340–1399), Duke of Lancaster, fourth son of Edward III, born at Ghent; regent of England, claimant to Castile, father of Henry IV, ancestor of the Beauforts and Tudors.
John of God
John of God, also known as Juan de Dios, was a Portuguese-born layman who founded a hospital for the poor sick of Granada, Spain, in 1540.
John of Jenštejn
John of Jenštejn (Jan z Jenštejna) was a Czech nobleman and scholar who served as the third Archbishop of Prague from 1379 until 1396, and chancellor to King Wenceslaus IV.
John of John
John of John is Douglas Stuart's third novel (2026), set on the Isle of Harris in the 1990s, about gay art graduate Cal Macleod returning to his Presbyterian father John; Booker Prize 2026 shortlist and Oprah's Book Club pick.
John of Kronstadt
John of Kronstadt (Иоанн Кронштадтский), born Ioann Ilyich Sergiev, was a celebrated Russian Orthodox preacher and philanthropist, author of My Life in Christ, canonized in 1990.
John of Leiden
John of Leiden (Jan van Leiden, Johann Bockelson, 1509–1536), Dutch tailor and Anabaptist leader who ruled the Münster kingdom of 1534–35 as self-proclaimed king, introduced polygamy and community of goods, and was executed with Knipperdolling and Krechting, their bodies caged on St Lambert's tower.
John of Montfort
John of Montfort (Jean de Montfort, Yann Moñforzh, 1295-1345), half-brother of Duke John III, claimed Brittany in 1341 against Charles de Blois, starting the Breton War of Succession; his son won at Auray.
John of Nepomuk
John of Nepomuk, or John Nepomucene, is the patron saint of Bohemia, a Prague priest drowned in the Vltava on King Wenceslaus IV's orders in 1393 and canonized in 1729.
John of Neumarkt
John of Neumarkt, Czech Jan ze Středy (c. 1310 – 1380), was court chancellor of Emperor Charles IV from 1353 to 1374 and Bishop of Olomouc.
John of Parma
John of Parma (Giovanni da Parma) was an Italian Franciscan who served as Minister General of the order from 1247 to 1257 and is venerated as Blessed.
John of Patmos
John of Patmos, also called John the Theologian, is the name given to the author of the Book of Revelation, a first-century Christian prophet on the island of Patmos.
John of Rila
John of Rila (Иван Рилски, c. 876–946) was a Bulgarian hermit who founded the Rila Monastery in the Rila mountains and is venerated as the patron saint of Bulgaria.
John of Ruusbroec
John of Ruusbroec, also known as Jan van Ruusbroec or the Divine Doctor, was a Brabantine mystical theologian (1293–1381) who wrote in Middle Dutch and served as prior of Groenendaal.
John of Salisbury
John of Salisbury (c. 1115–1180) was an English scholar, diplomat, and bishop of Chartres whose Policraticus is often called the first complete work of medieval political philosophy.
John of the Cross
John of the Cross, born Juan de Yepes y Álvarez, was a Spanish Carmelite friar, poet, and mystical theologian who co-founded the Discalced Carmelites with Teresa of Ávila.
John Ogilvie
John Ogilvie (c. 1579–1615) was a Scottish Jesuit priest who returned secretly as a Catholic missionary, was convicted of high treason, and was hanged at Glasgow Cross in 1615.
John Oldcastle
John Oldcastle, Lord Cobham, was an English knight, member of Parliament, and baron who became a leader of the Lollards and was executed for heresy in London in 1417.
John Olerud
John Olerud, also known as John Garrett Olerud Jr., is an American former baseball first baseman who won a batting title and two World Series with Toronto.
John Oliver
John Oliver, British comedian and host of HBO's Last Week Tonight (2014–present), known for 20-minute researched satirical monologues, FCC-crashing activism, $5 million in pandemic fundraising, 23 Emmy wins, and a contract through 2027.