Unisex ish or just sharp

The Spanish and Portuguese word for "sea" is a Top 100 name in Spain. In America, it's sometimes used as a nickname for names like Martina and Marina, but it could also plausibly stand on its own.

An attractive optical illusion where heat causes light to reflect in the air as if off a body of water. It was used as a character name in the 2004 animated film The Incredibles.

An attractive optical illusion where heat causes light to reflect in the air as if off a body of water. It was used as a character name in the 2004 animated film The Incredibles.

Nyx is the name of the Greek goddess of the night. It's used for baby boys in small numbers.

Unlike Pearl and Ruby, this is one gem name suited for boys, the final x making it sound strong and virile. Musician Iggy Azalea chose the name Onyx for her son.

Originally a surname deriving from the Roman twin Romulus, this attractive name was introduced to the English-speaking world by painter Augustus John who used it for his son. Romilly John became Admiral of the Fleet in England. Now used for both sexes but highly unusual for either, Romilly was given to a dozen girls in the US last year and no boys.

Originally a surname deriving from the Roman twin Romulus, this attractive name was introduced to the English-speaking world as a first name by painter Augustus John who used it for his son. Romilly John became Admiral of the Fleet in England.

This worthy name, imported by the early Dutch colonists, has been all but overpowered by the phonetic spellings -- Skyler for boys and Skylar for girls. With the surnames-as-first-names trend, however, and the popularity of the Lin-Manuel Miranda's musical Hamilton, which features the Schuyler sisters, perhaps Schuyler might receive some more interest in the coming years.

Originally a Dutch surname, imported by the early Dutch colonists, has been all but overpowered by the phonetic spellings in the US -- Skyler for boys and Skylar for girls. With the surnames-as-first-names trend, however, and the popularity of the Lin-Manuel Miranda's musical Hamilton, which features the Schuyler sisters, perhaps Schuyler might receive some more interest in the coming years.

Seabrook is a habitational surname denoting a person from the town of Seabrook, Buckinghamshire in England. The name of the town was derived from the Old English river name Sorge, meaning "trickling," along with the root broc, "stream."

A way to feminize Seabrook, if you want a name that is gender-neutral in sound but not appearance.

Today Show anchor Savannah Guthrie put this name of a geographical feature on the baby name map when she chose it for her newborn daughter, Vale Guthrie Feldman. Vale might be considered part nature name, part place name: A vale is a kind of valley, often used in poetry. This truly unique choice doesn't even register on the US extended list of names given to five babies or more, but we expect Vale to register as parents are inspired by Guthrie and husband Mike Feldman's creative choice. More prosaicly, Vale might be a short form of Valerie or Valentina.

The name of a beautiful village on the Roseland Peninsula in Cornwall, Veryan actually derives from a series of misunderstandings: Sen Veryan ("Saint Veryan") is a Cornish corruption of Severian, which is itself a corrupted form of the saint’s name Symphorian, to whom the village church at Veryan is dedicated.

The name of a beautiful village on the Roseland Peninsula in Cornwall, Veryan actually derives from a series of misunderstandings: Sen Veryan ("Saint Veryan") is a Cornish corruption of Severian, which is itself a corrupted form of the saint’s name Symphorian, to whom the village church at Veryan is dedicated.