Meaning:keeper of the keys; pure, slender
Kaelin, as a girl or boy's name, has English, Gaelic and American origins. The meaning of Kaelin is "keeper of the keys; pure, slender". Is related to the names Kaylin and Kyle.
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.