Connie

In 2018, 55 is the most common age for an American (U.S.) Connie* who is registered female with the Social Security Administration. It is the 224th most common female first name for living U.S. citizens.

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In 2018, 62 is the most common age for an American (U.S.) Connie* who is registered male with the Social Security Administration. It is the 3, 350th most common male first name for living U.S. citizens.

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*as a first name, not a nickname.

The name Connie was given to 82 girls born in the US in 2015.

BTN lists this name as strictly female. However, it's used as a nickname for males with the name Constantine, Cornelius, and Conrad, as well. It was more common nickname for males in previous generations, but still comes up now and then presently, especially for Constantine. I know an older Connie and a younger Connie even now that are males. This should really be noted. Imagine a young boy looking up this name and seeing that it's strictly female. Complex, much? [noted -ed]

The name Connie was given to 94 baby girls born in the US in 2012. I know a boy who uses it as a nickname for Constantine.