Hannigan
name
name ·3 syllables ·Rare ·Advanced level
Definitions
Proper Noun
- 1 A surname from Irish.
Etymology
Reduced Anglicized form of Irish Ó hAnnagáin (“descendant of Annagán”), a hypocoristic form of Annach (“Hanna”).
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.