Meaning:keeper of the keys; pure
The American girl’s name Kailyn means “keeper of the keys” and “pure.” There’s no doubt that your little one will hold the keys to your heart with their gentle smile and caring demeanor. In recent years, this name has come into prominence with its trendy “LYN” ending. Other variations of this name include Kaelyn, Kayla, and Kaitlyn.

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Source: Social Security Administration

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