Pure; slender and fair
A modern American invention, Kailynne combines the phonetic elements of Kay and Lynn. It is often interpreted as a variant of Caitlin, meaning pure, or as a combination of the Gaelic word for slender and the Welsh word for lake.
Less common today
Kailynne isn't in the latest US Top 1000. It last peaked at #7,172 in 2003.
US births per 5-year period, 1990βpresent (SSA data).