Trinidad

In Spain this is used exclusively on girls because the original noun is feminine (la Trinidad). There's also a virgin saint (Virgen de la Trinidad) that inspires a lot of devotion specially in the south of Spain.

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If you are a male with this name in the US probably no one will say anything, but here be sure that people will take the piss out of you.

In 2018, 32 is the most common age for an American (U.S.) Trinidad who is registered male with the Social Security Administration. It is the 3771st most common male first name for living U.S. citizens.

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In 2018, 88 is the most common age for an American (U.S.) Trinidad who is registered female with the Social Security Administration. It is the 4584th most common female first name for living U.S. citizens.