Some older names make a comeback, like Hannah and Abigail. I didn’t know any girls with those names when I was in high school (91-95). Now they are in the top 10.
What the article doesn’t mention is variations of Mary - Marissa, Moira, Marie, Mariah, Maria, Marianne, or Maureen. Some of those are still quite popular.
Molly is also a celtic variation on Mary.
As one of those parents who has a very common last name, (think Smith, Jones or Brown)I obviously didn’t want to give my sons “common” first names. When I was a kid, we had 4 Chris Smiths in my school, Talk about confusion....