Chelsealynn is of American origin, derived from the city name Chelsea and the feminine suffix '-lynn'. This unique name gained popularity in the latter half of the twentieth century. It typically carries three syllables, pronounced as /chel-see-lynn/. Spelling variations include Chelsey Lynn, Cheslee Lynn, and Chealsey Lynn.
In 1990 alone, five individuals named Chelsealynn were born, contributing to an overall total of five such named individuals ever recorded.