Sonny Nguyen's Boy Names

The cool form of James in the 1970s and '80s for both sexes. Still a more stylish short form than Jimmy, though many parents will want to call James by his entire, not-very-long name.

Jaxon has been mostly climbing in popularity since it entered the Top 1000 in 1997, proving that many parents have decided to rev up the cool factor of Jackson by giving it this streamlined spelling. (Though we still prefer the original.)

Short, sharp, and cool, Jett is a contemporary choice that connotes both gemstones and jet engines. Rarely used before the 90s, John Travolta, and then George Lucas, helped to put the name on the map by choosing it for their sons.

Jonas has a slightly more grandfatherly image than the English version of his name, but that only adds to its retro appeal. And though it may lag behind Jonah in this country, Jonas is riding a huge wave of popularity in Europe, where it ranks highly in Germany, Switzerland, Austria and Norway.

Cool and charming, with plenty of flair and sophistication, Julian manages to strike the balance between being a sensible classic and contemporary choice. Appealingly international, it is no wonder Julian is a rising star.

Immortal through its association with the ancient Caesar (it was his clan name), Julius may still lag behind Julian, but is definitely starting to make a comeback, and in fact feels more cutting edge, in line with the current trend for Latin -us endings.

Justice, one of the rare virtue names for boys, entered the popularity ranks in 1992, and has remained on the list ever since. Parents' search for names implying virtue has led to a mini-revival of this long-neglected name in both its German homonymic form, Justus, and as the word itself. Steven Seagal was ahead of the curve when he used it back in 1976.

Kai is an internationally flexible name with many possible origins and meanings, growing in popularity in the US and a diverse range of European countries.

Kaiser, as in roll and Wilhelm, appeared for the first time on the US Top 1000 in 2017. It fits the two-syllable -er ending style that's all the rage, and it lends itself to the short form Kai. But we hope this Germanic version of what is essentially a title rather than a name doesn't keep rising on the charts.

Kardashian style transforms many traditional C names to Ks, and this is a kase in point.

Jasper and its many international variations, from Kasper to Casper to Gaspard, is finding new popularity.

Kato gained a lot of attention during the O. J. Simpson trial via witness Kato Kaelin (born Brian). It is also the name of a fictional character in "The Green Hornet." Spelled Cato, it has a lot more credibility as an ancient name.

Kent is a no-nonsense, brief, brisk one-syllable name, almost as curt as Kurt.

Killian – aka Cillian – is a spirited yet resonant Gaelic name that was borne by several Irish saints and could make a distinctive replacement for the dated Kelly. Kylian is another spelling that's gaining traction, thanks to French soccer star Kylian Mbappé. Possible downsides: an unsavory first syllable and a connection to the trendy brew.

Kingsley is a sophisticated Harry Potter name that entered the US Top 1000 in 2013.

Chosen for their first son by musical couple Gwen Stefani and Gavin Rossdale, this Jamaican place and elegant British surname also boasts the more regal yet user-friendly short form, King.

Far more friendly and open than similar one-syllable names like Kent, Kurt, and Karl, it's been associated for more than half a century with actor Kirk Douglas, whose birth name was Issur Danielovitch Demsky.

Actor Kit Harington, aka the dreamy Jon Snow on Game of Thrones, has given this nickname-name new style and appeal for boys. Actress Jodie Foster used it for her son.

Knight (as opposed to Night) is a name clad in shiny armor. This high-ranking word name was introduced by singers Kelis and Nas. Knight might join brothers King, Royal, and Noble in a new definition of royal baby names.