Jerilynn is of American origin, derived from the French given name "Jérôme," which means "heap" or "mountain." It is a unisex name that gained popularity in the United States during the mid-20th century. Jerilynn is composed of two elements: "Jer" and "lynn," with the latter being an English feminine suffix derived from the medieval given name "Cynric," meaning "powerful." The name has also been associated with the Welsh male name "Geraint," which means "spear strong." Jerilynn is often associated with nature due to its root meanings, suggesting a connection to earth and strength. However, it remains relatively uncommon compared to other names of similar origin or sound.
The name Jerilynn experienced significant popularity during the early to mid-20th century, peaking with 162 births in 1942. However, its usage has steadily declined since then, with only 5 births recorded in 2017 and 9 births in 2018. Overall, there have been a total of 1280 births with the name Jerilynn between 1941 and 2018.