Dictionary of Medieval Names
from European Sources

Ivo m. Old French Yve(s), Yvon of uncertain origin but possibly related to Gaulish ivo, Proto-Germanic *īwaz 'yew'.

The name of an 11th C French saint, an 11th C Cornish saint, and 14th C patron saint of Brittany.

Belgium
Latin
1165 Ivonis (gen) CartStBert 18
England
Latin
1189 Ivo (nom) GASurv p. 106, Ivonis (gen) ibid. p. 108; 1349 Yvone (abl) SocAntNor-3-3 no. 11; 1381 Ive (nom) Suffolk1381 p. 73
France
Latin
1029x1033 Yvo (nom) CartStPC XII; 1050 Ivonis (gen) St-Barnard-Romans no. 100; 1090x1101 Ivonis (gen) CartStPC XLIII; 1093 Ivo (nom) ibid. VI; 1102x1144 Ivo (nom) ibid. XLV; 1107 Ivo (nom) ibid. V, Ivone (abl) ibid. XVII; 1127 Ivo (nom) ibid. XIX, Ivonis (gen) ibid. XIX; c1147 Ivonis (gen) CartNDdOurscamp LXII; c1170 Yvo (nom) ibid. LXXXIV; 1180 Ivonis (gen) RotScaNor pp. 10-11; 1187 Ivonis (gen) CartNDdOurscamp LVII; 1190 Ivo (nom) ibid. CIII; 1224 Yvo (nom) ChartCaen2 16; 1269 Yvonis (gen) NDParisII 2-III; 1270 Yvonis (gen) ibid. 2-XLI; 1273 Yvo (nom) ibid. 2-XLIII; 1295 Yvo (nom) HistHdVParis p. 130; 1378 Ivo (nom) hanquetvol1 1297, Yvonis (gen) ibid. 351
1260 Yvonetus (nom) ArrestReg-volI XXI, Ascension
Old French
1291 Yvon (obl) HistHdVParis p. 107; 1296 Yve paris1296 p. 34, Yves (nom) ibid. p. 13, Yvon (obl) ibid. p. 51; 1297 Yves (obl) HistHdVParis p. 136; 1298 Yves (obl) ibid. p. 141; 1299 Ivon (obl) ibid. p. 148, Yves (obl) ibid. p. 146; 1313 Yve Paris1313 p. 92, Yves (nom) ibid. p. 25, Yvon (obl) ibid. p. 16
1299 Ivonet (obl) HistHdVParis p. 148
Middle French
1364 Yvo ActsCharlesV no. 7; 1392 Yves MemBret-II col. 618, Yvon ibid. col. 611; 1418 Yves DdB1418 p. 206; 1421 Yvon Laroche no. 6, favier 530; 1562 Yves RegPCC-1 p. 12; 1563 Yves ibid. p. 31; 1564 Yves ibid. p. 63; 1566 Yves ibid. p. 231; 1568 Yvon ibid. p. 403; 1571 Yves ibid. p. 472; 1572 Yvon ibid. p. 492
1392 Yvonnet MemBret-II col. 605; 1418 Yvonnet DdB1418 p. 199, HGParis p. 375; 1421 Yvonnet favier 162
Germany
Latin
963x1023 Juo (nom) TradCorb §228
Ireland
Latin
fin12thC Iuo (nom) MunDocIr III, p. 15
Italy
Latin
1138 Ivo (nom) HAP p. 331
Poland
Latin
1258 Ivo (nom) CDT1 XVIII
Scotland
Latin
1070x1093 Ivo (abl) ESC X
Wales
Latin
1247 Yvone (abl) ArchCambIII p. 228
Cite as: J. Uckelman, S.L. Uckelman. "Ivo". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2019, no. 1. http://dmnes.org/2019/1/name/Ivo.