The girl's name Kellyn \k(e)-ll-yn\ is a variant of Kellen.
The baby name Kellyn sounds like Keelyn and Kellan. Other similar baby names are Kelly and Kellye.
Kellyn is a very rare female first name and a very rare surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the girl's name Kellyn. Click here to compare Kellyn with related baby names.