Boy names for Tesla's sibling

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!").

With a touch of celestial power, a hint of clunky charm, and the totally cool -o ending, Cosmo may well be finally shaking itself free of both the Seinfeld association (which made it a punchline of a joke) and the cartoon fairy association from The Fairly OddParents. In fact, it is in the Top 1000 in the UK and a favorite on Nameberry.

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.

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.

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.

Can Linus lose its metaphorical security blanket and move from the Peanuts page onto the birth certificate? We think it has enough charm and other positive elements going for it for the answer to be yes.

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.

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.

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

Calix is once-obscure name that is starting to see some use in the US, where 62 baby boys were named Calix in 2024. An indirect influence is the actress Calista Flockhart, who introduced Americans to the female version of this attractive Greek name to prominence.

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.

Chef Wolfgang Puck has helped soften this thunderous Germanic name; music-lovers will appreciate its association with Mozart, though the composer's middle name Amadeus is more appealing. With Wolf on the rise, however, and parents looking for bolder options, Wolfgang might just intrigue people with its historical feel .

Lazarus is a name that looks as if it could possibly be raised from the dead, just like its biblical bearer. Look for it in the next wave of Old Testament revivals that transcend their long-bearded images, the way Noah, Moses, and Abraham have for this generation.

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.

The name of the most renowned of the Old Masters is a potential option for families who put an emphasis on the creative. Rembrandt Peale was a member of the Peale family of painters, all named for famous artists.

Associated with poetry, pop music, and the Greek lyre, Lyric has a light and zippy sound to it. Currently more popular for girls in the US, it was in the Top 1000 for boys between 2007 and 2020. Currently given to around 170 boys each year, for every baby boy called Lyric, there are three girls given the name.

Sagan is a masculine name with multiple cultural origins. Most notably, it gained recognition through association with the renowned astronomer and science communicator Carl Sagan. The name has Slavic roots, particularly in Russian and Ukrainian languages, where it can mean 'wise' or 'sage.' In Jewish traditions, it can refer to a deputy high priest. Sagan also exists as a surname in various cultures. The name has seen modest growth in popularity among parents drawn to its scientific associations, intellectual connotations, and cross-cultural versatility. Its simple pronunciation and spelling combined with its meaningful background make it appealing to parents seeking a distinctive yet accessible name for their sons.

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

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.

Named after Isaac. Or Wayne.