The name of the great Renaissance astronomer and mathematician, Galileo would make a distinctive hero-name for the son of parents involved in those fields. Deriving from Latin and Hebrew, it refers to someone from Galilee, a Biblical place name associated with Jesus's miracles in the New Testament.

Hypatia, an ancient Greek name, has a distinguished namesake: Hypatia of Alexandria was an early philosopher and scholar of mathematics and astronomy. Fittingly, the name derives from the Greek hypatos meaning "highest, supreme", giving it a lofty and powerful feel.

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.

Obsolete Swanhild gives way to oh-so-modern Swan, joining the flock of newly fashionable bird names such as Wren and Lark. In France, the Swann spelling is fashionable for both sexes. But Swan carries an image of grace, though perhaps also a bit of languor. It's a lovely and original name, right for our times.

Tesla, the surname of Serbian inventor Nikola Tesla that has more recently been used as the brand name for an electric car, is gaining some use as a first name for girls. Exactly 100 girls were named Tesla in the U.S. last year. You might think of the name as a Tessa/Isla hybrid, though with Tesla the s is not silent. There was also a rock band named Tesla.

Theon, an ancient name attached to a noted Greek teacher of mathematics and astronomy, also father to the first woman mathematician, might appeal to parents in this field. You can think of Theon as Theo with something a little extra.

A name with a number of variations including the Danish Tyge, the Swedish Tyko, and the Dutch Tygo, which are popular throughout modern Europe. Tycho was also the name of both a 5th century Greek saint and the Danish astronomer, Tycho Brahe.

Strong but breezy with the unisex charm of Ellis and Hollis, this name was famously borne by Wallis Simpson (born Bessie), the woman for whom English king Edward VIII abdicated his throne in the 20th century. It ultimately comes from Wallace, an English and Scottish name meaning "foreigner", "Welsh" or "Celt".