What We Know About the Rosier Surname

Behind the Rosier surname stands Desrosiers, a French name that clerks and families wrote in more than one way. At root, the name means “Of the rosebushes”.

• Related forms: Desrosier.
• Before spelling was fixed, Desrosiers was also written Rosier.
• 3,997 Americans were listed as Rosier in the 2010 census. That puts it inside the top 10,000 US surnames. Between 1891 and 2000, 5,964 babies born in France were registered as Rosier, with the most births in 1951–1960.
• Names that sound alike, such as Rosser, are easily confused in old records.

Heraldry and the Rosier name

Arms linked to Desrosiers and its spellings were granted to individual families; our heraldry team traces which line they belonged to. Want more than a summary? See the Rosier family name pack.