Mulcahy

M3U1L1C3A1H4Y4
/mʌlˈkæhiː/

proper noun

A surname from Irish.

Less commonScrabble 17

Meanings

proper nounMulcahy (plural Mulcahys)

plural Mulcahys · alternative Mulkey

  1. A surname from Irish.

Origin

  1. IrishÓ Maolchathaigh“descendant of the devotee of (Saint) Cathach”
  2. EnglishMulcahy

Reduced Anglicized form of Irish Ó Maolchathaigh (“descendant of the devotee of (Saint) Cathach”), a byname from cathachyss (“warlike”).

Full word history & related roots →
Cite this entry
APA

Mulcahy. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Mulcahy

MLA

“Mulcahy.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Mulcahy. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Mulcahy,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Mulcahy.

Source: Mulcahy on Wiktionary, CC BY-SA 4.0.