Meaning:powerful, bright-headed; slender, fair
Kellyn as a girl's name has German and Celtic origins. The meaning of Kellyn is "powerful, bright-headed; slender, fair". Is related to the name Keelan.

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.