What does the name Jaelyn mean? The meaning of the name Jaelyn is Supplanter. The origin of the name Jaelyn is American. This is the culture in which the name originated, or in the case of a word, the language.
Alternate spellings: Jaylin, Jaelynn
People who like the name Jaelyn also like: Jadyn
, Brielle Jayden
Name Notes: Contraction of the name Jacqueline.