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

Wren may not be as time-honored a bird name choice as Robin or even Lark, but it's more fashionable and fresh, with a gentle and earthy vibe.

Unlike Pearl and Ruby and more like Jasper, this gem name works well as a boys name. With its strong final X, it feels similar to Alex, Phoenix, Jax, and Rex, while the shiny black quality of the stone feels reminiscent of Orion. Chosen by musician Iggy Azalea for her son in 2020, it has accelerated up the charts and now sits just outside the Top 300.

Fleur is a generic, delicate flower name that emigrated into the English-speaking world when John Galsworthy bestowed it on one of the Forsytes in his celebrated saga. More recently, there was Fleur Delacour, a French witch and the Beauxbatons champion for the Triwizard Tournament in Harry Potter.

A starry-eyed, intergalactic name, far rarer than Stella or Esther. It's attached both to a comic book character and to Princess Astra on "Doctor Who".

Another astral name, this one relating to one of the largest and brightest stars in the heavens, is popular in Scandinavia and Spain, where it ranks among the Top 50 girls' names. Although still very rare in the US, we think it has serious potential to follow the likes of Luna and Lyra up the charts.

Endellion is the name of an early saint who was a daughter of King Brychan and goddaughter of King Arthur whose life is commemorated by the Cornish village of St. Endellion. This intriguing ancient name was brought into modern usage by British Prime Minister David Cameron, who used it as one of the middle names for his fourth child, a baby girl.

Bluebell is one flower name that is used very quietly. Geri "Ginger Spice" Halliwell joined her former Spice Sisters in creative baby-naming with this adventurous — some might say outlandish — choice. Andie MacDowell has a granddaughter named Bluebell Coyote through her daughter Rainey Qualley.

Echo, the pretty, resonant name of a legendary nymph, was the heroine of Joss Whedon's sci-fi series Dollhouse. Nick Hexum, of the band 311, named his daughter Echo Love.

The Latin name for the holly (or the holm oak) tree would make an interesting nature-inspired alternative to Alex and Felix.

Anemone is a floral name that relates to the ancient Greek myth of the famous love story of Aphrodite and Adonis, in which Aphrodite transforms her wounded lover's blood into a flower, the crimson anemone, whose blossoms are opened by the wind — accounting for its other name, windflower.

A shimmering day name, with a bit of hippie residue.

A cup-shaped flowerhead in botany, which could lead to the super cool nickname Cal.

Florence, Flora, and a whole plethora of botanical names are in style at the moment, but simple Flower remains rare. Perhaps it's the association with the little skunk in Bambi, or because it rhymes with flour used for cooking, but with Clover and Meadow in the charts, perhaps Flower might be one to reconsider.

An elaborate form of the stylish Vesper, taken from the Latin vespertinus meaning "evening". It may work for those who want to step away from the religious connotations of Vespers.

Meaning "golden flower", this name was borne by a semi-legendary 3rd century saint.

A bit syllable-heavy, but a pretty name for a springtime baby.

A sunny-sounding surname or an adjective meaning "only when the going's good" – as in, a fairweather friend.

Unusual and beautiful blue green color and name possibility, a la Cerulean.