How common is the last name Isaac?

19,157 people in the United States have the last name Isaac, about 1 in 15,603. It ranks #1,838 of 156,621 last names in the 2020 Census.

last name

ISAAC

#1,838

of 156,621 last names recorded in the 2020 Census

People
19,157
About
1 in 15,603
This common or more
46.8%
Who bears it

Of the 19,157 people with the last name Isaac, 39.8% reported their origin as Black, 37.4% as White and 10% as Hispanic or Latino. These count how people described themselves on the 2020 Census, not where the name comes from.

Either side of Isaac

#1,836 Lo · 19,169#1,837 North · 19,164#1,839 Barnard · 19,152#1,840 Christiansen · 19,147

Spelled almost the same

4 last names in the 2020 Census spelled within a letter or two of Isaac, most common first.

#2,445 Isaacs · 14,413#19,107 Issac · 1,422#20,171 Isaak · 1,334#102,982 Isac · 186

Also a first name

As a first name, Isaac ranks #231 of 53,615, with 242,217 people. As a baby name it peaked in 2007, with 10,287 births. See Isaac as a first name

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