Possibilities

Ryan’s use as a given name was inspired by the surname Ryan, a variation of the Irish O’Riain meaning "son of Rían." Rían is composed of the Irish-Gaelic elements rí, meaning "king" and an, a diminutive suffix. Ryan is considered a unisex name in the US, where variant spellings Ryann and Ryanne are also valid for girls.

The origins of Samantha are not entirely clear, although it is commonly thought to be a feminization of Samuel with the suffix derived from the Greek anthos, meaning "flower." Samantha has been in English-speaking use since the eighteenth century, particularly in the American South, and drew attention via Grace Kelly's Tracy Samantha Lord character in High Society, featuring the song "I love you, Samantha."

A cool, windswept, surfer babe-magnet in 1965, a nice dad -- or even granddad -- today.

Serena, a name used since Roman times, was given fresh life by tennis star Williams, and then again with the leading character on Gossip Girl, Serena van der Woodsen. There have also been Serenas on soap operas and other shows from Bewitched to Law & Order.

Sophia, which was the Number 1 girls' name in the US from 2011 to 2013, is among the top girl names in the Western World, with a sensuous sound and high-minded meaning. A real winner, Sophia reached the top of the charts without losing any—okay, much—of its sophisticated beauty.

Though never as popular as the name of her Bewitched mother, Samantha, Tabitha has its own quirky, magical charm. The name of a charitable woman who was restored to life by Saint Peter in the Bible, it was a popular Puritan choice. Sarah Jessica Parker and Matthew Broderick chose it for one of their twin daughters, which gave it a slight boost. Nonetheless, Tabitha remains in decline.

Tamsin is an offbeat name occasionally heard in Britain and just waiting to be discovered here. U.K. actress Tamsin Greig is a star of the show Episodes, Tamsin Olivier is the daughter of Joan Plowright and Sir Laurence Olivier..

As Theo and Thea get more popular, so do Teo and Tea, short forms of the Latinate variations of Theodore and Matthew -- which include Dorotea and Mattea. But like Theo and Thea, Tea can stand perfectly well on its own and blends seamlessly into any Anglophone or European culture, if that is your aim. Some may argue that the Tea version is the prettiest and it's certainly the sleekest.

This strong single-syllable boys’ name has been finding favor with parents since the fifties, though it's been slipping in recent years; it fell out of the Top 500 for the first time since 1959 in 2015. Its main associations have been with the River Trent, whose name dates back to prehistoric times, and with former Mississippi Senator Trent (born Chester) Lott, and Trent Reznor (born Michael) of Nine Inch Nails.

Walker is both a Waspy surname name—as in the W in George W. Bush—but it also has a gentle ambling quality and a creative connection to such greats as writer Walker Percy and photographer Walker Evans, whose father was also named Walker.

Will has definitely replaced Bill, not only as a nickname for William but as a stand-alone name as well, partly thanks to England's Prince William, also known as Wills.

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.

Zinnia is an unusual floral choice with a bit more edge and energy than most and beginning to find its way onto namers' wish lists of botanical possibilities. Named after an eighteenth German botanist called Johann Gottfried Zinn, it appears in Roald Dahl's Matilda as the young protagonist's mother.