Meanings
Origin
- IrishÓ Maolchathaigh“descendant of the devotee of (Saint) Cathach”
- EnglishMulcahy
Reduced Anglicized form of Irish Ó Maolchathaigh (“descendant of the devotee of (Saint) Cathach”), a byname from cathachyss (“warlike”).
More words from Irish
Full word history & related roots →Cite this entry
Mulcahy. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Mulcahy
“Mulcahy.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Mulcahy. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “Mulcahy,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Mulcahy.
Source: Mulcahy on Wiktionary, CC BY-SA 4.0.