Gainor Surname: Origin, Meaning & Coat of Arms

Many Gainor families will find their roots under Gaynor, the form most records use.

What does the surname Gainor mean?

Taken at its root, Gainor points to “An anglicized form of Mag Fhionnbhairr”. About 633 people in the United States were recorded as Gainor in 2010, placing it 35,537 on the national list.

Is Gainor the same name as Gaynor?

The two spellings differ in a small detail: Gainor has “i” where Gaynor has “y”. Regional accents shaped spellings long before dictionaries fixed them.

Is there a Gainor coat of arms?

Looking for a Gainor coat of arms? Arms were granted to families, not to surnames, and our research shows which heraldic tradition fits yours.

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