Meaning:keeper of the keys; pure
Kailyn as a girl's name has English and American origins. The meaning of Kailyn is "keeper of the keys; pure". Is related to the name Kaylin.
Popularity Trend Chart
Roll over the visual for detailed rankings by year.
Source: Social Security Administration
Not sure you have the perfect name? Search to add more baby names to your My Favorites list.
Name added. View your list