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Dictionary of Medieval Names
from European Sources

Gerbert m. Old High German, Old Saxon gēr 'spear' + Old High German beraht, Old Saxon berht 'bright' from Proto-Germanic *berhtaz.

The birth name of an 11th C pope.

Cf. Gerberta.

France
Latin
952x993 Girbertus (nom) St-Bernard-Romans 132; 1107 Girberti (gen) CartStPC XVII; 1130x1150 Girbertus (nom) ibid. XXVII; 1135 Girbertus (nom) clairvaux-12thc 7; 1147 Girbertus (nom) ibid. 14
Germany
Latin
822x875 Gherbert (nom) TradCorb §192; 1255 Gerberti (gen) hennes-vol1 157
Latvia
Latin
1287 Gerberto (dat) RigSB 483; 1294 Gerbertus (nom) ibid. 49
Cite as: S.L. Uckelman. "Gerbert". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 2. http://dmnes.org/2015/2/name/Gerbert.