Abbie

Abbie is also used as a masculine name in English, as a diminutive of Abraham, Abram, Albert, Abel, etc. However, it's more common for females. So, I think that the "Gender" of this name should be updated from "Feminine" to "Feminine & Masculine".

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Source: https://en.m.wikipedia.org/wiki/Abby

In 2018, 7 is the most common age for an American (U.S.) Abbie* who is registered female with the Social Security Administration. It is the 1, 655th most common female first name for living U.S. citizens.

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*as a first name, not a nickname.

The name Abbie was given to 212 girls born in the US in 2015.