Terilynn is of American origin, derived from the combination of 'Teri' and 'lynn'. It gained popularity in the latter half of the 20th century. The name has a unique, modern feel while still being composed of familiar elements. Terilynn is often associated with creativity and individuality.
"The name Terilynn appears to have been most popular from the mid-1950s to the early 1960s, with a peak of 15 births in 1960."