Eleanor's straightforward feminine image combined with its royal medieval history is striking just the right note for parents in search of a girls' name that combines substance and style.

Riley—an upbeat, friendly surname name—is red hot for girls and still going strong for boys. If you haven't been spending much time around babies recently, you may be surprised to learn that Riley is the most popular girls' name starting with R and also the Number 1 Irish name for girls in the US.

Miles, which has a permanent veneer of cool thanks to jazz great Miles Davis, is a confident and polished boys' name that's an American classic. Always ranking in the US Top 1000, it's been drifting up the charts for the past half century and now ranks at its highest point ever, in the Top 50.

Ada is one of the classic baby names for girls that is suddenly super stylish again. A favorite at the end of the nineteenth century, Ada is an alternative to the over-popular Ava. Ada is also part of the trend toward simple, old-fashioned names beginning with a vowel, like Ivy and Ella.

The friendly and sporty feeling Nolan blends some of the best qualities of other popular boy names. With the gentle but energetic sounds of Noah, a hint of the classic Nicholas, and the cool, surname-style vibe of Greyson or Colton, it makes for a familiar and grounded choice.

The related Lucas and Luke are both hugely popular boy names in the US and internationally, and now Luca has joined them on boys' popularity lists around the world.

Elise is one of those golden names that stylish but not TOO popular. Its appeal is due in large part to its French flair and to the love for El-names in general.

Jack may have fallen from its Number 1 place in England, but in the US it's as popular as it was at its height in the 1920s and 1930s. A durable, cheery, everyman form of John, Jack ranks as one of the most popular boy names starting with J.

Currently overshadowed by the bright and lively Leo, Leon feels a slightly more serious, more quietly confident than its short and trending counterpart.

Elena is at its most popular point ever in the US, thanks to its cross-cultural appeal and the overall popularity of El- names. It's more international than Ellen or Eleanor, but still accessible.

Rugged but gentle, Rhys is the traditional Welsh spelling of this name, which can also be anglicized as Reese or Reece. Up until 2010, Reese was the preferred spelling in the US, perhaps because parents were concerned about mispronunciation. However, Rhys has since taken over for boys and is now used twice as often as Reese.

Though closely associated with the great medieval Florentine poet Dante Alighieri -- who's so famous most people skip the last name -- it's not as much of a one-man name as you might think. Heck, it's not even a one-poet name, thanks to British pre-Rapahaelite Dante Gabriel Rosetti. Though especially well used in the Italian-American community, it would make a striking name for any little boy.

Clementine is a Nameberry favorite that broke back into the US Top 1000 in 2014 after more than half a century off the list.

Nathan is an Old Testament name that's ranked among the Top 100 names for boys for 50 years, and could well stay there for another 50. Strong, solid, and attractive, It's a name familiar to every schoolchild through Nathan Hale, the Revolutionary War spy.

Zachary, a Top 20 name throughout the 90s, is now sliding down the rankings though it remains in the Top 200. With its ancient roots and modern feel, it's easy to understand why Zachary has been such a longtime winner.

Elizabeth is one of the most popular girls' names of all time, the female equivalent of James or William. Yet Elizabeth has so much going for it—rich history, broad appeal, and timeless style—that no matter how many little girls are named Lizzie, Eliza, and Beth, you can still make Elizabeth your own.

Isaac has shaved off his biblical beard and leaped into the upper echelon of popular boys' names, outrunning cousin Isaiah. A favorite of the Puritans, Isaac has never dipped below Number 400 on the US list of top boy names.

Samuel has been so popular for so long that it's hard to believe it's still climbing, at its highest point since the 1890s.

Evie was derived from the English Eve or the Latin Eva, which in turn come from Chawwah, a Hebrew name related to the concept of life. Evie can be used as a nickname for any name that starts with Ev-, including Eva, Evelyn, and Evangeline, but also for names such as Genevieve and Maeve. Evie is typically pronounced with a long E sound, but a short E is also valid.

Daniel is one of only a handful of male names that sounds both classic and modern, strong yet approachable, and popular but not cliched. It also has a solid Old Testament pedigree. The only real downside: There are about 10,000 Daniels named each year, making it a less than distinctive choice.