Oiseau: Last Name Origin and Family Crest

Spellings drift, and Oiseau is where Loiseau drifted for some families. The name is usually explained as “The bird”.

Family crest and blazon

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

Spelling and variants

Before spelling was fixed, Loiseau was also written Oiseau. Spellings drifted because names were written down by ear in parish books, tax rolls and passenger lists. Related forms: Loizeau.

INSEE counts 113 people born in France with the Oiseau surname between 1891 and 2000; the busiest decade was 1931–1940. For the full story, order the Oiseau surname pack.