Charley

Also a variant of Charlie.
https://www.behindthename.com/name/charlie

In the United Kingdom it is more common as a feminine name.

In 2018, 72 is the most common age for an American (U.S.) Charley* who is registered male with the Social Security Administration. It is the 2, 209th most common male first name for living U.S. citizens.

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*as a first name, not a nickname.

The name Charley was given to 83 boys born in the US in 2015.

In the US this name is heavily stereotyped as a "British boy name," at least where I live. It's pretty uncommon in the States, I don't know of a single Charley. Whenever me or one of my friends hears it, we automatically think "European lad." Funny how it can be so overused in one place but pretty rare in another.