Boy names for Tesla's sibling

Boone is one of the advancing herd of lean and lanky cowboy names with a laid-back, backwoods, Western feel—and surprising French roots. It's inevitably linked with legendary frontiersman Daniel, and also with the positive connotations of the word boon. It debuted in the US Top 1000 in 2015.

Cabot is an attractive English surname associated with the daring early Italian-born British explorer known as John Cabot; his birth name was Giovanni Caboto.

Calix is once-obscure name that is starting to see some use in the US, where 47 baby boys were named Calix in 2023. An indirect influence is the actress Calista Flockhart, who introduced Americans to the female version of this attractive Greek name to prominence.

Carson is one of the most long-running popular androgynous baby names, with a dash of the Wild West via the legendary Missouri frontiersman Kit Carson. Dating back to when it was the name of Nancy Drew's Dad, Carson is still steadily in the Top 200 baby names.

This ancient name, also spelled Caspar, is finally shedding its ghostly image and moving into the 21st century. Popular in the Netherlands and Scandinavia, where it's sometimes shortened to Cas, Casper could ride the style coattails of cousin Jasper. Casper was one of the Three Magi who brought gifts to the infant Jesus along with Melchior and Balthasar.

Even among the range of blue names on the current baby naming palette -- Blue itself, Azure, Cerulean, Teal, Aqua, Cyan, Indigo -- Cobalt remains the most unusual, not to mention the most masculine.

Conrad has a somewhat intellectual masculine image, a solid name that has been consistently on the popularity lists, especially well used in the 1920s and 30s, and given a pop of rock energy by the Elvis-like character of Conrad Birdie in Bye, Bye, Birdie--("We love you Conrad, oh yes we do!").

We all heard it on Seinfeld as the long-concealed first name of Kramer, then considered a punchline. Now some pioneering parents are embracing this expansive Greek name, which makes a creative and cool choice for a baby. Influential celebrity couple Scarlett Johansson and Colin Jost chose it for their son, born in 2021, which will likely drive Cosmo up in popularity. In the UK, it currently ranks within the Top 1000 boy names and is trending upwards.

Diesel, which you can think of as a word name for the fuel or as a German surname that derives from a pet form of Matthew or Mathias, is a new entry to the American name lexicon thanks to celebrities Jennie Finch and Casey Daigle, who chose it for their son, baby brother of Ace. Diesel might also be thought of as one of the neo-macho names, joining such bros as Harley, Ranger, and Breaker.

Creative gem perfect for an architect's son, in tribute to modern Finnish-American architect Eero Saarinen.

Emerson is a dignified, somewhat serious name associated with transcendental thinker Ralph Waldo Emerson. Much more popular now for girls since Desperate Housewife Teri Hatcher used it for her daughter, it is definitely still a viable boys name.

A doubly Presidential name, via Pierce and Roosevelt, Franklin was given an initial boost via the fame of Benjamin Franklin. It also has a literary tie to the main character of the Wilkie Collins classic The Moonstone.

Unless you're a gin aficionado, we prefer Hendrik. Or better yet, Henrik.

Huxley is definitely rising as a surname name, with its X that makes almost any name cooler. It debuted in the US Top 1000 in 2015. The modern nicknames Hux and Huck certainly don't hurt.