Where does “Kaylyn” come from?

Kaylyn (English) comes from English Kay, from Latin ka — The name of the letter "K".

Ancestry of “Kaylyn”, step by step

Kaylyn traces back through two separate lines of ancestry.

via English Kay

StepLanguageWordMeaning
1EnglishKayderived from several Old and Middle English words; also adopted by immigrants whose surnames began with a K
2LatinkaThe name of the letter "K"

via English Lyn

StepLanguageWordMeaning
1EnglishLynA short form of female given names ending in -lyn, such as Evelyn and Carolyn; also used as a formal unisex middle name

Words derived from “Kaylyn

Every word from Latin kaEvery word from English Kay