Kayla is a modern invented name that emerged in the late 1950s. It may have been inspired by the similar sounding Michaela, though it could equally have come about as a combination of the then popular name popular name Kay and the familiar -la suffix.

Stephen, also spelled Steven, is a strong and likable classic, with the he's-a-great-guy short form Steve. Though not as well-used or fashionable as it was in its heyday -- it was a Top 25 name from 1946 to 1957 -- it's still a widely used name. It remains an even more popular in Ireland.

It's the French Steve yet feels oh so much more debonair. Well-used and still a popular classic in French-speaking lands, but one of the many French names for boysunfamiliar to most English speakers, except maybe fashionistas who associate it with designer Etienne Aigner. A new way to honor Grandpa Steve?

Stephanie is the feminine form of Stephen, derived from the Greek name Stephanos, associated with crowns and garlands It's been the name of several royal women throughout history, including the medieval Stephanie, Queen of Navarre, and Princess Stéphanie of Monaco, the daughter of Grace Kelly and Prince Rainier of Monaco. International variations of Stephanie include the German Stefanie, Italian Stefania, and Spanish Estefanía.

Steven, the phonetic and now predominant spelling of the classier Stephen, has finally dropped out of the Top 100 after seventy years. Steve has become one of the ultimate regular-guy names, right up there with Dave and Joe. and there have been innumerable pop-culture role models among its bearers--from Steven Spielberg to Steven Soderbergh to Steve Jobs.

The one-named singer clarified the confusing pronunciation on this one (in her case, it's shah-DAY), but a number of parents have looked for more phonetic spellings. The Finnish version means "rain."

A widely used name, Kaylee pulls together something from Kayla and something from Hailey, yet somehow loses something in the process. It has surpassed cousin Kayla on the charts and is one of three girls' names starting with Kthat ranks in the US Top 100.

Appealingly gentle and romantic French classic--with a lot more charm than Steve.

Taj is a cool-sounding name reflecting the magnificence of the seventeenth-century Indian Taj Mahal, chosen by Aerosmith's Steven Tyler for his son.

A cute nickname name that's risen high over the past decade or so, more especially as Kaylee, this name combines the attributes of Hailey and Kayla, Kylie and Callie.

Some parents just use Steve on the birth certificate, but it doesn't have the breezy charm of trendy short forms like Max, Sam, and Jake. Regardless of how much you love Steve as a given name, it might be smart to give your son a longer option to fall back on.

As commonly heard in Rome, Italy, as Steve is in Rome, New York. With the accent on the first syllable, Stefano has a lot of charm.

Castor's twin in the constellation Gemini. That final x makes this name modern and cool.

A cool Indian name with two even cooler nickname options — Avi, or Taj.

Also written as Atarah, this regal name appears in the Old Testament, borne by the wife of Jerahmeel. With its confident air and concise appearance, it was given to just under 50 girls in the US in a recent year, while Atarah was chosen for 60.

Short form of Adebayo

Ethiopian name that would be difficult here.

Kaylee meets Hailey.

Kelila, which can also be spelled Kelilah, is a more distinctive and attractive Kayla relative.

An unusual Hebrew name which feels familiar, thanks to its similarity to Katherine and related names. It was originally a masculine name, but is now used for both sexes.