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Dictionary of Medieval Names
from European Sources

Eulalia f. Ancient Greek εὖ 'good, well' + Ancient Greek λαλιά 'speech, form of talking, dialect'.

The name of two 4th C Spanish martyrs (who may possibly be identical with each other).

Cf. also Hilaria; these two names shared many spellings in medieval England, and are thus often impossible to distinguish in some contexts.

England
Early Modern English
1590 Ulalia BEmar-vol1 p. 14; 1599 Ulalia DEmar-vol2 p. 42
France
Latin
1163–64 Alaria (nom) clairvaux-12thc 115; 1164 Alaria (nom) ibid. 121
Italy
Latin
1522x1532 Alaria (nom) DSF p. 56, 10
Spain
Latin
1487 Eulalia (nom) carbonell p. 11; 1488 Eulalia (nom) ibid. p. 24; 1489 Eulalia (nom) ibid. p. 34; 1490 Eulalia (nom) ibid. p. 40; 1491 Eulalia (nom) ibid. p. 59, Eulaliæ (gen) ibid. p. 59
Catalan
1510 Aularia valencia1510 4046, Eularia ibid. 4767
Cite as: S.L. Uckelman. "Eulalia". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 1. http://dmnes.org/2016/1/name/Eulalia.