Meanings
Origin
Variant of Halloran.
Full word history & related roots →Cite this entry
O'Halleran. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/O'Halleran
“O'Halleran.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/O'Halleran. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “O'Halleran,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/O'Halleran.
Source: O'Halleran on Wiktionary, CC BY-SA 4.0.