Thea is a diminutive of names ending in -thea, including Dorothea, Althea, and Anthea. It is also the Anglicized spelling of Theia, the Titan of sight, goddess of light, and mother of the moon. She was the consort of Hyperion, and mother of Helios, Selene, and Eos.

Having only entered the US Top 1000 in 2012, Briggs is yet another ends-in-s surname name for boys currently on the rise, along the lines of Brooks and Hayes.

Spencer is a name that has everything: it's both distinguished sounding and accessible, dignified but Spencer Tracy-like friendly. Picked by several celebrities (a couple of times even for a girl), adding up to an enthusiastically recommended choice.

Esmeralda came into use as an applied use of the Spanish word for emerald, esmeralda. In the 1831 Victor Hugo novel Notre-Dame de Paris, also known as The Hunchback of Notre-Dame, the heroine was born Agnes, but called La Esmeralda in reference to the jewel she wears around her neck. The name Esmeralda got increased visibility via the Disney version of the story.

Nehemiah is an Old Testament name used by the Puritans, whose white-bearded image kept it out of favor for centuries, until it suddenly reappeared in 1998, along with the more user-friendly Josiah and Isaiah.

This gentle Scandinavian name, soft and sensitive, is being discovered in a major way by parents in the US. It's most closely identified with the nineteenth century philosopher Soren Kierkegaard, but there have been modern fictional Sorens as well, in The Matrix Reloaded and the book series Guardians of Ga'Hoole, Charlie and Lola, and Underworld.

This pet form of such names as Winifred and Edwina and Gwendolyn has loads of vintage charm, a la Millie and Maisie, with a decidedly winning vibe. And it just got celebrity cred as the baby daughter of Jimmy Fallon.

Emerald is the intriguing color and jewel name of the deep green stone treasured as far back as ancient Egypt — it's supposed to open one's heart to wisdom and to love and be good for strengthening relationships — which could make for an interesting, unusual name, particularly with the popularity of so many Em-starting names.

Though they sound exactly alike, this spelling makes it much more elegant than Bernie.

Branch is an attractive name with associations both with trees and with branching out into brave new worlds. Baseball's Branch (born Wesley, with Branch as his middle name) Rickey broke the color barrier by hiring Jackie Robinson for the Dodgers. Like Leaf, Branch makes a nice, not-so-obvious, addition to the tree category.

For a minute or two this sounded more modern than Janet, now equally outmoded.

Bland compared to the Irish-sounding O-starting names, but fans of football star Odell Beckham Jr. may like the name for other reasons.

Although feminizations ending in "ette" are not particularly popular now, Bernadette is a pleasant, feminine, but strong name that doesn't feel prohibitively dated. And though strongly associated with the saint who saw visions of the Virgin Mary—Saint Bernadette of Lourdes—it is now no longer strictly inhabiting the Catholic diocese.

Theta is the name of the eighth letter of the ancient Greek alphabet, which is also the symbol of death. As such, it has rarely been used as a baby name.

Similar in sound to Harley, Marley, and Arlo, this surname-style name is familiar in Brazil and a Top 1000 choice in England and Wales. Pronounced as AHR-lee in English and ahr-LAY in Latin America, it may be a habitational name, relating to rabbits, hares, or eagles, depending on what Old English root you follow, though it may also relate to the names Arlette, Arleth, and Arlington, lending it the meaning "noble".

Midcentury Irish-American favorite, never used in Ireland itself, being the generic word for "girl"; rarely given today.

Arty seventies name usually pronounced AHN-dra.

Way out.

Down-home nickname name once associated with the friendly dragon on kids' TV. As Oliver rises, we may well hear more Ollies.

Sleekened spelling.