Defossé Surname Guide

The Defossé family name is well attested in modern population records. In Wikidata, Defossé is listed as a French surname. No reliable dictionary entry explains Defossé, so any origin we give a client is traced from their own ancestors.

The 2010 census count for Defossé in the United States was 289, good for rank 68,122. That puts it among the top 100,000 US surnames. French civil records give 2,940 births under the name Defossé from 1891 to 2000, peaking in 1951–1960. There were 113 such births in the 1890s and 307 in the 1990s.

Coats of arms were borne by individual families. If arms are recorded under the Defossé name, our researchers explain whose they were and how they were blazoned. Get the complete Defossé report, with a museum-style coat of arms.