Rasmusen: Surname History and Family Crest

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

What Rasmusen means

Ancestors listed as Rasmusen are often found as Rasmussen a generation earlier. Its meaning, shared with Rasmussen, is “Son of Rasmus (Erasmus)”.

Rasmusen drops the “s” of Rasmussen, a shortening that clerks often made. Regional accents shaped spellings long before dictionaries fixed them. Other spellings include Rasmuson and Rasmusson. Rasmusen ranked 73,911 in the 2010 US Census, with 262 people answering to the name.

Research your Rasmusen family history with a full surname report and painted coat of arms.