Last Names

Surnames / M

McIlrath

How common is the last name McIlrath?

About this name

We do not yet have a written origin for McIlrath, 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

#29,447

McIlrath was the 29,447th most common surname in the 2010 US Census, with 802 people, about 0.3 in every 100,000.

Who carries it

  • White (non-Hispanic)93.5%
  • Hispanic or Latino3.5%
  • Black (non-Hispanic)<0.1%
  • Asian or Pacific Islander0.9%
  • Two or more races1.9%
  • American Indian or Alaska Native<0.1%

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.