Katherine is one of the oldest, most diverse, and all-around best names: it's powerful, feminine, royal, saintly, classic, popular, and adaptable. Long one of the top girls' names starting with K, Katherine has now been unseated on the popularity list by upstarts Kennedy and Kinsley, but a dip in popularity only adds to its charm.

Kit is a crisp, old-time nickname with plenty of spirit and style. In the UK it's a rising star for boys, while in the US, it is trending upwards for girls too.

Catherine is one of the oldest and most consistently well-used girls’ names, with endless variations and nicknames. The Catherine form feels more gently old-fashioned and feminine than the more popular K versions. Most stylish nickname for Catherine right now: Kate...or Cate, a la Blanchett.

Kate, in the headlines via Catherine Middleton aka the Princess of Wales, has been as pervasive as Kathy was in the 1950s and 1960s, both as a nickname for Katherine and Kaitlyn and as a strong, classic stand-alone name.

Karen, a once sweet Danish import, was so popular during the baby boom (Karen was Number 3 in 1960) that it's become a mem in recent years, representing a hostile white woman—one who usually wants to speak with the manager.

This endearing nickname name is one Katherine pet form that predates all the Kathys and Katies, having been fairly common in the eighteenth century. With the current mini-craze for animal-related names, Kitty is sounding cute and cuddly again—she's already jumped back onto the U.K. list, at number 199.

Friendly mega-popular short form of Katherine that has definitively replaced Kathy, Katie is often given on its own. Going forward, though, Katie is more stylishly clipped itself to the grownup Kate.

A literary name and a place name with a grand yet familiar feel, Virginia has been in the US Top 1000 since records began in the late 19th century. Also familiar in Spain, Brazil and Italy, recent years have seen it rank around the #500 mark in the States.

In Japanese this name may be written with the characters for "pure; purify; cleanse" (Kiyo/Keo) and "beauty; beautiful" (mi). Like most Japanese names, this is a name that translates well into Anglophone countries, where sweet short names are becoming increasingly popular.

A multicultural name, that's currently on style and fits right in with Kaia, Maya, Raya, and Mia. Currently in the Top 500 in both the UK and The Netherlands, it has several different origins and meanings.

Kathleen is the early Irish import version that came between Katherine and Kaitlin, and which hasn't been used in so long it's almost beginning to sound fresh again. It was a surprise pick by one of the hip Dixie Chicks, Martie Maguire. Kathleen was a Top 10 name from 1948 to 1951, and it is the subject of several old sentimental songs, such as "I'll Take You Home Again, Kathleen."

Although the Kathryn spelling feels like a modern streamlining of this ancient royal and saints' name, it is in fact found back through history. At least one of Henry the Eighth's unfortunately wives sometimes spelled her name as Kathryn.

Wynn is an attractive Welsh name, originally male but now also used for girls outside of Wales. The authentic feminine version would be Gwen, which derives from the same very productive gwyn element, making it a relative of all Welsh names ending -wyn or -wen, as well as the Irish Fin- names.

An Irish and Welsh form of Catherine, Caitlin was a boom name of the eighties, rocketing from obscurity (Americans first heard it via the wife of doomed poet Dylan Thomas) to the height of popularity in the space of a decade. The original name was gradually eclipsed by its myriad spelling variations -- Katelyn and Kaitlyn both soon topping it on the popularity lists.

The hurricane blew this one out of the realm of possibility.

One of the most popular of the trendy Caitlin variations, Katelyn points directly to components Kate and Lyn --making it a bit more traditionally feminine.

A huge name in the late 90's and most of the 00's, Kaitlyn's been on a downward trend in recent years. Kaitlyn and its soundalikes have been so well used in the US that they can no longer be seen as fresh, but it's still relatively popular in Canada.

This name of a touristed island in sight of Los Angeles makes an attractive and newly stylish variation on the classic Catherine or overused Caitlin.

This mini name is more spunky than Zack or Zeke, but shares those well-loved sounds. In Ethiopia, Zeki means "pure", and is pronounced "zeh-KEE", with emphasis on the second syllable. With the rise of trending Zakai and similar names into the US charts, Zeki has potential.

One of the warm and earthy Russian nickname names now coming into style. Denzel Washington gave his daughter the Katia spelling.