While we don't see many parents adopting Otter as a name for their own babies, Zooey Deschanel put this one in the lexicon when she used it as a middle name for her adorably-named daughter Elsie Otter. Even in the celebrisphere, Otter is one of the most unique baby names we've heard.

With River and Ocean becoming mainstream, why not consider Sea?

Wildflower may be the ultimate hippie name, added to the lexicon by Cameron Diaz and Benji Madden when they chose it as one of their daughter's middle names. It's generic in the way that Flora and River are, as opposed to Iris and Nile, say. But it has a certain free and creative charm.

Charming nature name made even more appealing by the connection to iconic nurse and statistician Florence Nightingale.

This adorable fish name debuted on the baby name charts in 2020, inspired by a young girl character in the Netflix movie Love and Monsters. Minnow resembles well-established girl names Minnie, Willow, and Marlowe.

A mystical name with a watery feel to it, selkies are mythical creatures that resemble seals in the water but assume human form on land. Appearing in Scottish folklore, their name comes from the word selch meaning "gray seal".

A Biblical place name referred to by the Old Testament prophet Ezra. It may be a corruption of Caspian, or may derive from Hebrew keceph "silver, money".

This old man nickname feels remarkably fresh when applied to girls and can be used as a short form of Lena, Helena, Magdalena, Lennon or Lennox. The pan-European Leni is identical in sound yet feels a little lighter and fresher, and is a fashionable favorite in Germany.

Possibly a variant of Lirio, from Latin lilium.

A Finnish word name for the lily of the valley flower.

Elvi is one of those elusive names that fit in yet stand out. It's similar to currently trendy girl names such as Ellie and Evie but maintains distinction.