How rare is the last name Cosby?

10,111 people in the United States have the last name Cosby, about 1 in 29,562. It ranks #3,449 of 156,621 last names in the 2020 Census.

last name

COSBY

#3,449

of 156,621 last names recorded in the 2020 Census

People
10,111
About
1 in 29,562
This common or more
54.2%
Who bears it

Of the 10,111 people with the last name Cosby, 46.2% reported their origin as White, 43.2% as Black and 5.7% as two or more races. These count how people described themselves on the 2020 Census, not where the name comes from.

Either side of Cosby

#3,447 Kroll · 10,116#3,448 Morey · 10,115#3,450 March · 10,104#3,451 Garnett · 10,103

Spelled almost the same

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

#43,008 Cozby · 542#111,996 Cosbey · 167

Also a first name

As a first name, Cosby ranks #34,742 of 53,615, with 234 people. See Cosby as a first name

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