Gonzalo m. Old High German gund 'war, battle' + an element of uncertain origin.

Italy

Latin

● 1376 Gonsales (gen) DouGen1 p. 220, Gonsalles (gen) ibid. p. 220

The Netherlands

Dutch

● 1576 Gonsalo MagMiddelburg-1560; 1577 Gonsalo ibid.; 1578 Gonsalo ibid.; 1579 Gonsalo ibid.; 1580 Gonsalo ibid.; 1581 Gonsalo ibid.; 1585 Gonsalo ibid.; 1586 Gonsalo ibid.; 1587 Gonsalo ibid.; 1588 Gonsalo ibid.; 1589 Gonsalo ibid.; 1590 Gonsalo ibid.; 1591 Gonsalo ibid.; 1592 Gonsalo ibid.

Portugal

Latin

● 1152 Gondisaluus (nom) PHGCRP-I no. 3; 1189 Gundisalvus (nom) ibid. no. 9, Gunsalvi (gen) ibid. no. 9, Gunsalvus (nom) ibid. no. 9; 1209 Gunsaluum (acc) ibid. no. 10, Gunsaluus (nom) ibid. no. 10; 1211 Gunçaluus (nom) ibid. no. 6; 1217 Gonsaluo (dat) ibid. no. 21, Gonsaluus (nom) ibid. no. 21, Gunsalue (voc) ibid. no. 21, Gunsalve (voc) ibid. no. 21; 1218 Gunsaluis (gen) ibid. no. 18, Gunsalum (acc) ibid. no. 18; 1228 Gonçaluo (dat) ibid. no. 14; 1256 Goncalvi (gen) ibid. no. 17; 1269 Gonsaluo (dat) ibid. no. 11

Spain

Latin

● 1276 Gunsaluo (dat) CDGH XLVI, gundisalui (gen) ibid. XLVI; 1489 Gondisalvi (gen) carbonell p. 30; 1490 Gonçalbo (nom) ibid. p. 46; 1491 Gonçalvi (gen) ibid. p. 61

Catalan

● 1510 Gonçalbo valencia1510 3718, Gosalbo ibid. 4369, Goçalbo ibid. 3430

Old Spanish

● 1225 Gonzalo PHGCRP-I no. 15, Gonzalves (gen) ibid. no. 15, Gonzalvo ibid. no. 15

Spanish

● 1376 Gonzalo SanzSerrano; 1540 Gonçalo ibid.; 1567 Gonçalo ibid.