Castiel, which vaulted into the Top 1000 on the wings of the angel hero of the television show Supernatural, is the name of the Angel of the day Thursday. It may also derive some appeal from the newly-fashionable "Cas" syllable, as in Cassian and Cassius.

Supermodel Christie Brinkley launched an entire name genre when she picked this breezy occupational name for her daughter in 1998, and it has become more prevalent in recent decades. The Saylor version, which you might consider a spelling spin or a surname-name, is now among the Top 500 names for girls, given to three times as many baby girls as the Sailor spelling. Counted together, Saylor and Sailor were used for about 1000 baby girls in one recent year in the US, versus about 100 boys.

With other fruity names like Clementine, Olive and Plum ripe for the picking, sweet Cherry remains remarkably underused: just 27 baby girls received the name in 2017, down from 343 at its peak in 1948. The unsavory slang meaning no doubt goes a long way towards explaining its fall from grace.

The French Canadian pop star Avril Lavigne put the spotlight on this name when she made the charts with "Sk8er Boi". It is simply the French form of April, the fourth month of the year, whose name might derive from the Latin aperire meaning "to open" in reference to the start of spring in the Northern hemisphere. Other sources suggest it comes from the Greek goddess of love, Aphrodite.

The "Believe It or Not" jokes will get old fast, but this surname feels fun and on-trend for both girls and boys, reminiscent of Riley, Tripp, Bridger, and Oakley.

Truman is an upstanding presidential name that radiates an aura of integrity and moral truth, values any parent would want for a child. It seems definitely headed for a revival.

Mostly feminine, though "Office" star Rainn Wilson gives it a slight masculine twist. You might also use this as a short form of Raines.

Fauna is the Roman goddess of the earth as well as one of the fairies who protected Disney's "Sleeping Beauty". It can also be considered a word name with a scientific, nature focused feel. Used to as a way to refer to all the animals in a particular area, habitat, or time period, many might think of the phrase "Flora and Fauna" on seeing the name.

If you like names that are not really names -- some say, the wave of the future -- Harbor has an attractive sound as well as an appealing meaning and image.

Severin is an ancient Roman family name borne by several early saints. It's still alive throughout Europe, and could be ready for import here. Severin Winter is a wrestling prodigy character in John Irving's The 158-Pound Marriage and, in its original Latin form, Severus Snape appears in Harry Potter.

Oceane (oh-see-EN) has been one of the chicest names in France for several years, ranking in the French Top 50. This is a sophisticated name that could easily cross the ocean, and is much more stylish than the English Ocean or Oceana.

Associated with poetry, pop music, and the Greek lyre, Lyric has a light and zippy sound to it and joins the likes of Melody, Harmony, Cadence, and Aria as musical names that have become baby names. A unisex name, it is currently three times more popular for girls in the US where it sits in the Top 600. It has declined in use since its 2014 peak, but was still given to around 560 girls in a recent year.

Bellamy is emerging as an up-and-coming girls' name, an Irish surname-y riff on the super-popular Bella series of names. While the Bella connection makes Bellamy sound a little trendier and more popular than it really is, we see the name possibly rising through the ranks for both genders in the coming years.

Estée, with or without an accent, is most famously associated with cosmetics entrepreneur Estée Lauder, whose birth name was actually Josephine Esther Mentzer. The name is believed to be a stylized form of Esther, a biblical name meaning 'star' in Persian. Estee, sometimes spelled Este, makes Esther more stylish and approachable, and is also reminiscent of Esme.

A variation of the popular Caden, Kayden, Kaden, and so on, Caiden is in the US Top 500 and the UK Top 1000. When you combine all the spelling variations however, Caiden begins to feel and sound like a Top 20 choice in the States.

Cute and eminently wearable surname name for girls.

The girls have dibs on Spring, Summer, and Autumn, leaving this name evocative of snowy landscapes as the one possible seasonal choice for boys. And naturally, it's one of the most obvious names for winter babies.

The name Esca appears in Rosemary Sutcliff's 1954 historical adventure novel The Eagle of the Ninth, which is set in 2nd century Roman Britain. Esca is the name of a freed slave who accompanies his ex-master Marcus Flavius Aquila on various adventures. He was portrayed in the 2011 film adamptation The Eagle by English actor Jamie Bell.

Skyla is the most feminine form of the Skylar / Sklyer trend - little Skyla will never be mistaken on paper for a boy.

Penrose – an ancient place-name and surname derived from several villages in Cornwall, Wales, and the Welsh border country of England – would make for an even more unexpected alternative to quirky nature name Primrose. Intuitive nicknames Penny or Rosie make it feel more wearable.