Mulcahey Last Name: Meaning and Heraldic Roots

Mulcahey is an established spelling of the Irish surname Mulcahy.

What does the surname Mulcahey mean?

The name is generally explained as “Descendant of the devotee of Cathach”.

Is Mulcahey the same name as Mulcahy?

The extra “e” in Mulcahey is a spelling habit rather than a different name. Other spellings include Mulchay and Cahy.

Does every Mulcahey family have a crest?

A coat of arms belongs to a particular family line rather than to everyone named Mulcahey, so the heraldry linked to Mulcahy is a starting point, not an automatic right.

Get the complete Mulcahey report, with a museum-style coat of arms.