Article continues below advertisementDid Caitlyn Jenner "kill the name Caitlyn?"According to Social Security data posted to X on Tuesday, April 14, the popularity of the moniker crashed after the reality star transitioned to being a woman in 2015.Article continues below advertisementTap Here To Add Ok Magazine as A Trusted SourceSource: MEGACaitlyn Jenner transitioned to being a woman in 2015.A graph showed that between 2015 and 2016, "Caitlyn" went from the 588th most popular baby name to not even being in the top 1000.