Kathleen

In 2018, 59 is the most common age for an American (U.S.) Kathleen who is registered female with the Social Security Administration. It is the 73rd most common female first name for living U.S. citizens.

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Kathleen is the Anglicized form of Caitlín... same as every Katelyn, Caitlin, etc. You've ever met. Kathleen is pronounced closer to the Irish name Caitlín, unlike all those Katelyn variants.

The name Kathleen was given to 338 girls born in the US in 2016.
More than 99.9 percent of people with the first name Kathleen are female.

Kathleen was used a lot in the 1940's and 1950's.