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.

Quirky in the way that all Q names are quirky, Quincy was once a buttoned-up, patrician New England name, an image countered in recent years by the talented and ultracool musician Quincy Jones (middle name: Delight; nickname: Q).

Octavia began as the Latin, then Victorian name for an eighth child. While there aren't many eighth children anymore, this ancient Roman name has real possibilities as a substitute for the overused Olivia; recommended for its combination of classical and musical overtones. It was chosen for his daughter by Kevin Sorbo.

Quentin, an offbeat name with lots of character, relates to the Latin for the number five and is by far the subtlest and most usable of the Latin birth-order names, masculine as well as stylish and distinctive. It was borne by a third-century saint and came to England with the Normans.

In an epic poem, the personification of truth, beauty, and unity; this ancient name is popular in several European countries but less common in the US. The Oona spelling is slightly more popular but Una sleeker.

Originally a nickname for a third-generation son, as in Thurman Thackeray III, Trey is now being given to others, and it has also expanded to Treynor and Treyton.

This number name first came to public attention when Erykah Badu and Andre 3000 chose if for their son, Seven Sirius Benjamin, born in 1997. Over a decade later, David and Victoria Beckham used it as their daughter's middle name, and now in these days of unisex word names, it's rising for both sexes. It's certainly one of the most name-like numbers: after all, it's only a letter away from Steven.

Decimus is one of the Roman numeral names used in large Victorian families--in this case for the tenth child. It is now seeing some new life thanks to the cutting-edge fashion for ancient Roman names.

Nona is a name sometimes given to the ninth child -- but unlikely to serve that purpose today. Musical cred: the name of a song by Motley Crue.

Septimus is one of the more dashing of the birth-order Latin number names that were revived by the Victorians. So even if you don't anticipate son number 7, you might be bold enough to consider this relic, certainly preferable to sixth-son name Sextus.

The revival of long-dormant Roman names would put this back in the lexicon if it wasn't so connected to a telecommunications network.

Will assure your daughter she's numero uno.

Octavius, which was at one time used for the eighth child in a family, has the worn leather patina of all the ancient Roman names now up for reconsideration. As a Roman family name, it derives from the uncommon forename Octavus, which designated an eighth son.

Just think about those inescapable "sexy" nicknames. The related Sixtus is not a huge improvement.

Both this form and Quentin are authentic modern forms of the Roman family name Quintus. Your choice. In the US, this spelling lags behind Quentin and Quinton.

Ichiro is a good classic choice for the first boy in a Japanese family.

The most popular of the number names used by Hispanic parents, open to all. Octavia and Octavio are two Spanish baby names that are moving out into the wider world.

While Sixtine is a name with ancient roots that's popular in modern-day France, it's hard to imagine it gaining hold in English-speaking lands, given its similarity to the number sixteen and its even-more-problematic similarity to the word "sexting." You wouldn't do that to your daughter.

In the days of huge families, this name of the Roman goddess of prophecy and childbirth, and one of the Fates, would be saved for bambina number ten. Now it might be used for a girl born in October, the tenth month.

Primo is number one among the Latin birth-order names--Octavius et al--and the one most likely to be used in these days of smaller families. It has that jaunty 'o' ending and Italian flavor that many modern parents like so much. And what little boy wouldn't appreciate being prime?