McKennagh Coat of Arms and Surname Origin

If your family name is McKennagh, its origin lies with McKenna, a long-established Irish surname. The ending -gh in McKennagh marks a Irish derivative of McKenna. Its meaning, shared with McKenna, is “Son of Cionaodh (Kenneth)”. Census takers and immigration officers often wrote what they heard.

You may also find the name written MacKenna and Kenna.

Looking for a McKennagh coat of arms? Arms were granted to families, not to surnames, and our research shows which heraldic tradition fits yours. Want more than a summary? See the McKennagh family name pack.