Enough parents have found naturalist Charles Darwin, the father of the theory of evolution, a worthy hero to keep Darwin relatively consistently in the Top 1000. It has a lovely meaning too—"dear friend."

Among a small shower of rain-related names, this pure version can have a cool, refreshing image.

In the New Testament, Hosanna was exclaimed by those around Jesus when he first entered Jerusalem, making this an exuberant and spiritual choice. A possible alternative for Susanna or Hannah, it was given to more than 100 girls in a recent year in the US. Associated with the hymn "Give Me Joy In My Heart", Hosanna would fit in with the likes of Halo, Chosen, Shepherd, Blessing, and Messiah.

Bryn is an up-and-coming gentle, yet substantial, Welsh name that would also be effective in the middle spot. In Wales it's a traditional boys' name, but it's far more popular for girls now in the US.

The name of the brave, resourceful hero of Homer's epic saga has almost always been considered too weighty for a child to bear, but at this point, some brave, resourceful parents out there might be willing to take it on.

This rarely used boys name is one of the few gem names for a boy. Obsidian is actually a type of volcanic glass, formed when lava cools very quickly. This ultra-cool name might spark a love of volcanoes and geology in a little boy.

Puck was Shakespeare's mischievous pixie who'a had a few television incarnations in more recent years. A popular name in The Netherlands but nowhere else, from what we can tell.

Subtle but clear unisex way to signal peace, especially in middle place.

Emiliano is an appealing Latinate version of Emil, with the same gentle sounds but additional flair. Popular in Chile and Mexico, where it ranks in the Top 20, Emiliano is also a rising name in the US.

This twist on the popular Everett takes it to lofty heights and gives it a geographical and nature-inspired link. The snow-capped Everest could make a name that stands out without feeling too out there, and it may be seen more often in the classroom (that is, outside of the textbooks) in coming years.

When the Eddie Murphys named their fourth daughter Zola, it affirmed the up-and-coming status of the name, which has African roots, but also literary links to Emile Zola. Zola may also be recognizable to some as the adopted daughter of Meredith Grey and Derek Shepherd on the hit, long-running show Grey's Anatomy.

Softer than Benedict, less popular than Benjamin, and bolder than Bennett, Puerto Rican actor Benicio Del Toro introduced this name to the American mainstream in the early 2000s, before which the name was hardly use. Popular in Argentina, Benicio debuted on the US Top 1000 in 2016, when it was the third-fastest-rising boys' name, and while it hasn't skyrocketed then, it remains comfortably in the charts.

A true maverick of a girls' name — even more so with this spelling, the least common between Indie, Indy, and Indi.

Fay, also spelled Faye, who had been napping quietly since the 1930's, has, like cousins May/Mae and Ray/Rae, sat up and started rubbing her eyes, ready for a mini-comeback, especially as a middle name. In 2014, Faye hopped back onto the US Top 1000, though Fay is used much more quietly as a first name.

A popular choice in Mexico and a Top 200 name in the US, though usually for girls. Ximena has that stylish X- initial and a sunny feel. Alternative form Jimena is also in the charts and is far more popular in Spain itself.

Mauve is an offbeat color name whose soft and sentimental Victorian spirit is conveyed by the name. One of the newer color names like Blue, Gray and Plum that are increasingly being used as novel middle names, Mauve has the added benefit of being similar to stylish Maeve and classic Maude.

One of the more subtle occupational surnames, Sayer is a pleasant, open, last-name-first name, particularly apt for a family of woodworkers -- or writers.

Urban was not an uncommon name through the 1930s (rising as high as Number 435), having been attached to several saints and early popes, but it has completely disappeared from the landscape--both urban and rural. Yet in this era of word name appreciation and trend for 'an'-ending boys' names, we're thinking it might be ready for a return.

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.

Along with August, March is one of the month names perfectly suited to boys. This brisk single-syllable name – which derives from the name of Mars, the Roman god of war – is worth considering as either a first or middle option. As a surname, it brings warm memories of the girls of Little Women, and of twentieth century actor Fredric.