Riverlynn is a modern American blend of the nature name River and the popular suffix -lynn, so it reads as "river" with a soft, feminine ending, in the same family as Oaklynn, Raelynn and Brooklynn. It was practically unknown before 2015. Riverlynn soared from number 14212 in 2015 to a peak of number 1267 in 2022, then eased back to number 1908 in 2025.