How rare is the name Kiley?

18,180 people in the United States have the first name Kiley, about 1 in 16,613. It ranks #1,700 of 53,615 first names in the 2020 Census.

first name

KILEY

#1,700

of 53,615 first names recorded in the 2020 Census

People
18,180
About
1 in 16,613
This common or more
76.5%
Who bears it

Of the 18,180 people named Kiley, 82.6% reported their origin as White, 6.1% as Hispanic or Latino and 5.2% as two or more races. 94.9% are female. These count how people described themselves on the 2020 Census, not where the name comes from.

Kiley peaked in 2008, when 1,098 babies got the name.

Births per year, SSA records 1880–2025
19582025
Peak year
2008
Births that year
1,098
In 2025*
61 ▼94%
Recorded as
almost entirely female

At least 20,272 babies have been given the name since 1958. Years SSA withheld, because fewer than 5 were born, are skipped rather than drawn as zero. * 2025 is the newest year published and it undercounts: a card application is filed some time after a birth.

Kiley by decade

Among all names given to American babies, its best decade was the 2000s, when it ranked #747. The largest share of babies named Kiley, 58.7%, were born between 1997 and 2012, as Generation Z.

1950s#14,8235
1960s#9,04450
1970s#1,6681,318
1980s#1,3662,189
1990s#1,1113,939
2000s#7478,193
2010s#1,3074,144
2020s#4,389434
Baby boom 1946–640.1%
Generation X 1965–808%
Millennials 1981–9621.4%
Generation Z 1997–1258.7%
2013 and later11.8%

Rank counts both sexes together, among every name SSA recorded that decade; the number under it is births. The 2020s run only to 2025. Generation years follow Pew Research Center, which has not named a generation after 2012.

Where Kiley is most common

Compared with all babies born in each state since 1910, Kiley has been most common in Nebraska (2.3×), Utah (2×), and Iowa (1.6×), and least common in New York (0.43×).

16,854 births recorded by state, 1910–2025. 2× means twice as common as nationally. States with fewer than 30 such births are left blank, and SSA withholds any year with fewer than 5 in a state, so small states read low.

Spelled almost the same

5 first names in the 2020 Census spelled within a letter or two of Kiley, most common first.

Also a last name

As a last name, Kiley ranks #5,966 of 156,621, with 5,556 people. See Kiley as a last name

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