The quirky, offbeat and energetic botanical name Ivy is enjoying a deserved revival, propelled even higher by its choice by high-profile parents Beyonce and Jay-Z for daughter Blue Ivy. Ivy is also traditionally used at Christmas, make this one of the perfect names for December babies.

Melodic and lively, Delilah has cut itself (mostly) free from its treacherous past to become a contemporary favorite.

Felix is one of those ancient but nontraditional names for boys that have come into favor over the past few decades, a favorite of parents who want a masculine name with history and heft that breaks ranks with the standard Franks and Freds. Felix is also an international darling, ranking in the Top 100 in several European and English-speaking countries.

Effortlessly cool with a hint of the mystical, Phoenix rolls a lot of trends into one: it's a place-name and a bird name, it ends in the stylish letter x, it's got in-built nicknames, and it's unisex too. Familiar but not over-popular, Phoenix ranks in the US and UK Top 1000s.

A name that feels both spiritual and trendy, Trinity surged up the charts in the early 2000s, following the release of The Matrix. In just two years, it made an impressive jump from the latter end of the charts to the US Top 100, where it remained for more than a decade.

The long-neglected name of Adam and Eve's third son after Cain and Abel, Seth is appreciated for its gentle, understated presence -- and strong middle-name potential. It reached a high of Number 63 in the year 2000.

This bold choice soared in popularity from 2008 to 2013, and now seems to have plateaued. But watch out—the character Major Major Major Major in the classic absurdist novel Catch-22 had a terrible time.

Honora and Honoria are two ways of softening the severity of Honor, while retaining its righteous meaning. They were predominant until the Reformation, when the Puritans adopted the abstract virtue names, and were introduced to Britain by the Normans.

Sylvanus or Silvanus was the Roman god of the forest whose name is much more often found today in such variations as Sylvia, Sylvie and even Silas than in its original form. But if you're looking for a genuine mythological or Ancient Roman name with a nature connection, this might be the perfect choice.

Letitia is a delicate, once prim and proper sounding name whose staid image has been unbuttoned by numerous phonetic spellings. The original, often used in Spanish-speaking families, would still make an attractive, delicate choice. After a solid century on the Top 1000 list, Letitia fell off in the early 1980s and has not yet returned.

Before there was the campy TV Elvira, Mistress of the Dark, Elvira was the long-suffering wife of Don Juan, and remnants of those negative, gothic images still cling to it, though they are fading.

Other references include the romantic film Elvira Madigan, based on a real person, and the main ghostly character in Noel Coward's Blithe Spirit, as well as appearances in several operas.

A thundering biblical name - belonging to a grandson of Adam and Eve, also known as Enosh - that hasn't made as much of a comeback as similar Enoch. Enos is also a book in the Book of Mormon, and the name of the first chimpanzee to go into orbit. Caution: depending on your accent, it could have one or two unfortunate rhymes.

Drusilla is an ancient Roman name, (probably) borne by descendants of Antony and Cleopatra, and is one of the 'illa' names that are ready for a comeback, especially with its cute short form Dru.

This Persian name with an Old Testament pedigree has a warm Sasha-like feel. The Biblical Vashti was a queen who refused her husband's orders to appear naked in front of his party guests and so was deposed in favor of Esther. For her independent spirit, Vashti has become something of a feminist icon.

Cesario is a masculine name with Italian and Spanish origins, derived from the Latin name 'Caesar,' which means 'long-haired' or 'head of hair.' Historically, the name carries prestigious connotations due to its association with the Roman Julius Caesar and the subsequent imperial title. Cesario has remained relatively uncommon in English-speaking countries, maintaining its distinctive character as a heritage name in Italian and Hispanic communities. The name appears in literature, most notably in Shakespeare's 'Twelfth Night,' where Viola disguises herself as a character named Cesario. With its melodic quality and rich historical connections, Cesario offers a distinctive option for parents seeking a name with classical roots and a romantic Mediterranean flair.