This rhythmic last-name-first-name projects the creativity and inventiveness of Thomas Edison. It's an English surname deriving from either Adam or Eda, a medieval diminutive of Edith.

Newly fashioned but familiar and with an on-trend, unisex feel, Addison seems like the perfect solution for anyone who can't decide between Madison, Adeline, and Alison.

Scottish names that started as surnames are a class unto themselves. This old Scottish surname name debuted on the US Top 1000 in 2016 -- bolstered, no doubt, by the extreme popularity of Easton, just one letter away.

Despite its origin as a patronymic meaning "son of Adam", Addison really caught on for baby girls in the US around the turn of the millennium, following in Madison's footsteps to peak at #11 in 2007 and again in 2010.

Same problem as Eóin -- squared.

Variation of the very trendy Addison, perhaps lending itself more obviously to the nickname Addy.

Uruguayan footballer Edinson Cavani gave his unique first name a boost following the 2022 World Cup.

As soon as a name becomes mega-popular, parents start to look for spelling variations to set their child apart. This is one of the less graceful ones.

Abstract painter Ad Reinhardt, né Adolph, gave his short name a lot of artistic cred, but it remained securely a nickname. The extra "d" in this version helps it stand on its own, for better or worse.