Every generation leaves a trail of names behind, like bell-bottoms or Myspace accounts. What your parents thought sounded timeless now sounds like that neighbor next to your Grandma. According to a new analysis by NameKun, classic monikers from the 1950s through the 1970s are dropping off the map at a rate that would make even Karen blush.

The site, which tracks global naming records, found that certain names have seen usage declines of up to 90% from their mid-century peak. Some have slipped out of the top 1,000 entirely, entering what baby-name experts call “functional extinction.” In other words, if your name shows up on this list, you may never meet another one of you under 40 again.

Below are the ten names fading fastest, along with where they went wrong—or why they might just deser

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