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Originally an Anglicized form of the ancient Irish male name Ceallach. It is now very widely used in the English-speaking world, mainly as a girl's name. This is a transferred use of the surname Ó Ceallaigh ‘descendant of Ceallach’.
68th in the U.S.

Nicknames & variations

Quick facts

Hundreds of thousands
of people in the U.S have this name
879,256
to be exact
Minnesota
has the most people named Kelly per capita
1977
marked the height of its popularity
87%
13%
3%
55+
67%
30-54
22%
13-29
9%
0-12

Top state populations

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