The diminutive Lancelot was, due to the influence of the Arthurian character by the same name, far more popular throughout the later Middle Ages than the radiconym.

Czech Republic

Latin

● 1353 Lansony (dat) chlumecky 85; 1355 Lancz (nom) ibid. 69

◑ 1358 Lanczlini (gen) chlumecky 268, p. 32, Lanczlinum (acc) ibid. 463, p. 39, Lanczlinus (nom) ibid. 267, p. 32

England

Latin

◑ 1554 Lawncelett (nom) StMartF p. 58; 1555 Lawncelott (nom) ibid. p. 58

Dutch

◑ 1571 Lansloot AuFr Perremans; 1574 Lanselot ibid. Carremans

Early Modern English

◑ 1485 Lancelot WillsInv LXIX; 1547 Lanslet ibid. XCIV; 1550 Lancelot RegIng p. 3; 1557 Lancelote PRThirsk p. 2, Lancelott bruton1 p. 2; 1560 Lancelott ibid. p. 31; 1561 Launcelott ibid. p. 110; 1562 Lancellott ibid. p. 32; 1564 Launcellott ibid. p. 111; 1571 Launcellott ibid. p. 113; 1580 Lancelot BUmar-vol9 p. 6; 1583/4 Lancelet BEmar-vol1 p. 11; 1588 Launcellott bruton1 p. 9; 1589 Launcellott ibid. p. 49; 1592 Launcellott ibid. p. 52; 1594 Lancellot ibid. p. 122, Lancelot BUmar-vol9 p. 8, Launcellott bruton1 p. 53; 1595 Launcellot ibid. p. 10; 1596 Launcellott ibid. p. 55; 1597 Launcellott ibid. p. 56; 1599 Lancellye BEmar-vol2 p. 131, Lancelot RegFord p. 3, Launcellott bruton1 p. 57

France

Latin

◑ 1269 Lancelini (gen) NDParisII 2-III

Middle French

◑ 1392 Lancelot MemBret-II col. 611, Lansselot ibid. col. 613; 1393 Lancelot ibid. col. 619; 1415[1469x1471] Lancellot (nom) Waurin p. 227, Lancelot ibid. p. 225; 1421 Lancelet favier 1149, Lancelot ibid. p. 239; 1438 Lancelot ibid. 13

Germany

Latin

● c1070 Lanzo (nom) UrkStyria 72, Lanzone (abl) ibid. 73; 1186 Lanzo (nom) quix-vol2 123

Ireland

Latin

◑ 1444 Launcelot (acc) RegOct 83; 1490/1 Laucelote (acc) ibid. 3, Launcelote (nom) ibid. 3; 1491 Launcelote (nom) ibid. 4

Italy

Latin

● 1198 Lanzus (nom) ChStBo1 V; 1236 Lanço (abl) TirNot1 12

◑ 1464 Lancelotus (nom) CUP-III-I CCXXXI

Italian

◑ 1513x1521 Lancellotto LeoX p. 22, Lancillotto ibid. p. 17