The O'Laughlin Family Name

Seen on a gravestone or a census line, O'Laughlin usually leads back to O'Loughlin. At root, the name means “Son of Lochlann (Scandinavian)”.

Family crest and blazon

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

A variant of O'Loughlin

Spelled with “a” instead of “o”, O'Laughlin shows how the same name was heard and written differently. Spellings drifted because names were written down by ear in parish books, tax rolls and passenger lists.

1,622 Americans were listed as O'Laughlin in the 2010 census. That puts it among the top 25,000 US surnames. Want more than a summary? See the O'Laughlin family name pack.