Last Names

Surnames / I

Issac

How common is the last name Issac?

About this name

We do not yet have a written origin for Issac, 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

Names nearby in the census

#20,099

Issac was the 20,099th most common surname in the 2010 US Census, with 1,329 people, about 0.4 in every 100,000.

Who carries it

  • White (non-Hispanic)21.8%
  • Hispanic or Latino7.5%
  • Black (non-Hispanic)48.5%
  • Asian or Pacific Islander17.5%
  • Two or more races2.0%
  • American Indian or Alaska Native2.8%

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.