Sancto m. Latin sanctus 'consecrated, blessed; a saint'.

France

Latin

● 1273 Sanchi (gen) RegToul-13thC p. 30, Sanchii (gen) ibid. p. 30; 1283–86 Sanzii (gen) GasReg-A p. 227; 1287 Sancius (nom) ibid. p. 74; 1305 Sancii (gen) LibSenTou fol. 118; 1310 Sancius (nom) GasReg-A p. 217

Old French

● 1301 Sains (nom) MemPic-vol17 p. 240; 1313 Sanse Paris1313 p. 80

◑ 1292 Santin 1292paris p. 2

Middle French

◑ 1566 Sanson RegPCC-1 p. 239, Sanxon ibid. p. 244; 1568 Sanxon ibid. p. 372; 1571 Sanxon ibid. p. 445; 1572 Sanxon ibid. p. 501; 1588 Sanxon raymond1588 p. 567

Italy

Latin

● 1348 Sancti (gen) INP 22, Sanctus (nom) ibid. 23; 1376 Sanches (gen) DouGen1 p. 220, Sanchi (gen) ibid. p. 215, Sanchii (gen) ibid. p. 218; 1387 Sancti (gen) Venditti II-2035, Sanctum (acc) ibid. II-511

◑ 1387 Sanctutius (nom) Venditti II-23, Santutius (nom) ibid. II-17; 1522x1532 Santolus (nom) DSF p. 51, 7

Italian

● 1449 Sanctis VitAs2 II; 1490 Sanctis (gen) ibid. II

Portugal

Latin

● 1152 Sancii (gen) PHGCRP-I no. 3; 1189 Sancius (nom) ibid. no. 9; 1190 Sancius (nom) ibid. no. 8; 1209 Sancij (gen) ibid. no. 10, Sancius (nom) ibid. no. 10; 1211 Sancij (gen) ibid. no. 6, Sancio (abl) ibid. no. 6; 1217 Sancio (abl) ibid. no. 21, Sancius (nom) ibid. no. 21; 1221 Sancius (nom) ibid. no. 19; 1256 Sancij (gen) ibid. no. 17; 1269 Sancii (gen) ibid. no. 11

Portuguese-Galician

● 1238 Sancho PHGCRP-I no. 22b

Spain

Latin

● 1068 Sancius (nom) CDSS I, Sanctius (nom) ibid. I; 1074 Sancii (gen) ibid. II, Sancius (nom) ibid. II

Catalan

● 1510 Sancho valencia1510 3302, Sans ibid. 2399

Old Spanish

● 1225 Sancho PHGCRP-I no. 15

Spanish

● 1376 Sancho SanzSerrano; 1496 Sancho olite1496 p. 174; 1575 Sancho Catalogo-5.2 3834; 1576 Sancho ibid. 3944