Cosmo

How common is the last name Cosmo?

About this name

We do not yet have a written origin for Cosmo, so here is what the census records show.

Surname origins are rarely settled, and we would rather say nothing than guess. The sources below are the best places to look, and our guide to how surnames began explains the usual types.

Similar spellings

Cosmos

Names nearby in the census

#60,196

Cosmo was the 60,196th most common surname in the 2010 US Census, with 335 people, about 0.1 in every 100,000.

Who carries it

White (non-Hispanic)89.0%
Hispanic or Latino8.4%
Black (non-Hispanic)1.8%
Asian or Pacific Islander<0.1%
Two or more races<0.1%
American Indian or Alaska Native<0.1%

Check the sources

Forebears: where Cosmo is found around the world
The Internet Surname Database: a second opinion on the origin
US Census Bureau: the 2010 surname figures used here

For a name you are serious about, compare the dictionaries: Reaney and Wilson, A Dictionary of English Surnames; Hanks, Dictionary of American Family Names.