Katie

Also a diminutive of "Katherine" as well.

In 2018, 24 is the most common age for an American (U.S.) Katie who is registered female with the Social Security Administration. It is the 281st most common female first name for living U.S. citizens.

Katie is ridiculously common. As a Katherine who prefers to be called Katie, the sheer abundance of Katies in the world means I have to suffer through mix-ups and usage of my last name, which is also one of the top 5 most common last names in my home country.

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I do like the name's versatility and meaning however, as I can call myself Kate or Katherine as I grow older.

I have always loved the name Katie. This name was used a lot in the 1890's and in 1980 and 1990 the popularity of the name boomed again.

I think it is English but Katie is more popular in Ireland than England.

I'm pretty sure that Katie is Irish and not English.