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Dictionary of Medieval Names
from European Sources

Leopold m. Old High German liut 'people' + Old High German bald 'bold'.

The name of a number of medieval margraves and dukes of Austria, one of whom was the patron saint of Austria.

Czech Republic
Latin
1350 Leupoldus (nom) chlumecky 212
France
Latin
658 Leodebaudus (nom) DCEL-2 CCCXXXIII; c823 Leutboldus (nom) irminon-vol2 36, Palatiolum; 1135 Lebaudus (nom) clairvaux-12thc 7; 1138x1162 Lebaldo (abl) ibid. 79, Lebaudo (nom) ibid. 89, Leobaldi (gen) ibid. 78, Leobaldo (abl) ibid. 79, Leobaudi (gen) ibid. 78, Leobaudus (nom) ibid. 78; 1147 Lebaldus (nom) ibid. 16, Lebaudo (abl) ibid. 19, Lebaudus (nom) ibid. 14; 1147x1162 Lebaldus (nom) ibid. 55; 1171 Lebaldo (abl) ibid. 140, Lebaldus (nom) ibid. 140; 1179 Lebaudus (nom) ibid. 176, Liebaudus (nom) ibid. 181
Middle French
1421 Lyebault favier 254
Germany
Latin
1059 Luitbaldi (gen) quix-vol1 48; 1210 Luipoldus (nom) hennes-vol1 10; 1214 Liopoldus (nom) ibid. 15; 1216 Lupoldus (nom) ibid. 24; 1217 Luipoldus (nom) ibid. 28; 1219 Liupoldus (nom) ibid. 39; 1220 Leupoldi (gen) ibid. 48, Liupoldus (nom) ibid. 48; 1231 Liupoldus (nom) ibid. 85; 1249 Leupoldi (gen) ibid. 134, Leupoldus (nom) ibid. 134
Early New High German
1405 Leupolt (nom) mairhofer DCLXXVIII; 1406 Leupolt (nom) ibid. DCLXXX; 1409 Leupolt (nom) ibid. DCLXXXV; 1429 Leupolts (gen) ibid. DCCXXXII
Italy
Latin
1327 Lupoldi (gen) Friuli-14thC no. 450
Poland
Middle High German
1325 Leupolde (dat) SBGlatzer p. 2
Cite as: S.L. Uckelman. "Leopold". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 3. http://dmnes.org/2015/3/name/Leopold.