McMenamin Last Name: Meaning and Heraldic Roots

The spelling McMenamin grew out of McManus, an Irish surname with a long paper trail. McMenamin is listed among the recognised spellings of McManus. Name scholars give the meaning as “Son of Mánus (Magnus)”. Local scribes, dialects and emigration all left their mark on how the name was written.

Related forms: MacManus and Manus.

Heraldry is personal: arms associated with the McManus surname were borne by specific families, and sharing the name does not mean sharing the blazon. Want more than a summary? See the McMenamin family name pack.