Personal favorites during teenage years.

Kalen is a versatile feminine name with multiple cultural origins. It can be a variation of Kalin (Slavic, meaning "pure") or derived from the Greek name Kalene, meaning "beautiful." Some also consider it a feminine form of Kale, which has Irish roots meaning "slender." The name's popularity for girls rose gradually through the 1980s and 1990s, though it has remained relatively uncommon. Kalen has a contemporary sound while maintaining a connection to traditional naming roots. It appeals to parents seeking a name that balances strength and femininity. The name's short, crisp sound and simple spelling make it accessible while still being distinctive. Kalen is sometimes used as a unisex name, though this entry focuses on its feminine usage.

One of the new K boys' names that emerged in the nineties, it's now slipping off the radar.

Kalindi is a lovely, rhythmic name refers to one of the seven sacred rivers of India.

Name with genuine roots that nevertheless feels synthetic.

A name of multiple identities: a somewhat soap-operatic single-syllable surname, a homonym for the biblical bad boy Cain, and, when found in Japan and Hawaii, it transforms into the two syllable KA-neh. Kane also has multiple meanings: in Welsh, it's "beautiful"; in Japanese, "golden"; and in Hawaiian, "man of the Eastern sky."

Kara and the soundalike (though not necessarily related) Cara are among the most multi-cultural names around. Cara has roots in Latin, Italian, Irish, Spanish, and Portuguese, and Kara can be viewed as simply as K-starting version of Cara.

An increasingly popular spelling of Carson, Karson feels at home with Kayden, Kieran, and Kai. While the Carson spelling sits just outside the Top 100 and is used three times more often, Karson is still given to around 980 babies each year.

Karson is a respelling of the classic surname-turned-first name Carson, which some feel makes it more modern.

A simple, unusual, and modern-sounding Danish variation of Katherine.

Kasen is one of several linked names, all spelled differently and pronounced the same. Kayson is the most popular spelling of the name, but they include Cason, Casen, Cayson and so on.

Jason with a K or Kase with an N or Karson without the R. Kason is one of many similar names that are extremely popular right now.

If you're looking for an Irish last name that moves beyond Casey and Cassidy, this one is pleasant sounding and worth considering. Kavanaugh, which can also be spelled Cavanagh, Cavenagh, Kavanagh, and Cavanaugh, is one of the few traditional Irish surnames not to start with Mc or O'. Kavanagh relates to the name first Kevin or Caomhan. Early kings of Leinster bore the name Kavanaugh.

Kaylen is a little bit Kayla, a little bit Kay plus Lynn, and ultimately one of those modern names that is unlikely to survive the future.

Kaylin is a variation of Kayla and Katelyn that had several years of chart climbing before reaching a peak of Number 372 in 2009. Cailin and Kailyn are two other spellings.

Kayson is one of several variations of the boys' name Cason, a favorite of the 2010s when it appeared in many different forms, from the Casen to Kaisen to Cayson. Likely inspired by the popular Mason and Jason, the name is also a place name and surname, derived from the English town Cawston .

Has a sharp investigative quality that's not a bad thing to impart to a child.

Keaton is an engaging surname with warmth, energy and a sense of humor, identified with silent comedian Buster Keaton and contemporary actors Michael and Diane Keaton. Although rare as a first name, a young Keaton would fit right in with classmates Keenan and Kellen.

This unusual two-syllable K name relates to shipbuilding.

Long popular in Ireland and England, Kieran, the name of Ireland's first-born saint and twenty-five other saints, has been building its U.S. fan base thanks to its strong and attractive sound, and its fashionable Irish brogue. While Ciaran is the more authentic Irish spelling, Kieran is more popular this side of the Atlantic.