Last Names

Surnames / S

Seneca

How common is the last name Seneca?

About this name

We do not yet have a written origin for Seneca, 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.

Names nearby in the census

#28,131

Seneca was the 28,131st most common surname in the 2010 US Census, with 851 people, about 0.3 in every 100,000.

Who carries it

  • White (non-Hispanic)78.5%
  • Hispanic or Latino2.0%
  • Black (non-Hispanic)1.3%
  • Asian or Pacific Islander1.5%
  • Two or more races2.8%
  • American Indian or Alaska Native13.9%

Check the sources

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