Dictionary of Medieval Names
from European Sources

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

The name of a 10th C king of Leon, an 11th C king of Leon, Castile, and Galicia, a 12th C king of Castile, a 12th C king of Portugal, a 13th C king of Leon, Castile, and Galicia, a 13th C king of Portugal, and a 14th C king of Majorca.

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; 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
1522x1532 Santolus (nom) DSF p. 51, 7
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
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
Cite as: S.L. Uckelman. "Sancto". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Sancto.