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.

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.

The two X's may be a challenge for even the most intrepid baby namer. Xerxes was the name of two early kings of Persia and the Handel opera Serse or Xerxes is loosely based on Xerxes I.

A tributary of the River Clyde in Scotland, called in Scottish Gaelic Abhainn Cheilbhinn: caol ("narrow") or coille ("wooded") + abhainn ("river"). As a surname, it derives from the name of the river.

Pronounced "TAHL-a-mee," this was the name of one of Alexander the Great's generals and several Greco-Egyptian rulers, as well as the name of a famous Greek astronomer. Actress Gretchen Mol brought it into modern times when she chose it for her baby.

One of the many names with a strong "er" sound, like Bertram and Ernest, that was huge in the 1920s and is languishing in style limbo now. One famous bearer is the physicist Erwin Schrödinger, as in Schrödinger's cat.

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.