Donnelly is among the more appealing Irish surname names, less well used than Donovan. Related options include the place name Donegal and the mythological god name Donegan.

This British river name sounds sleek and strong but perhaps a bit too energetic.

Dave is the ultimate good guy name, but where father name David is still holding onto a spot in the Top 20, Dave -- widely used as an independent name in the middle of the last century -- dropped off the Top 1000 a few decades ago and shows no signs of a comeback. Baby Davids today, often named for dad or grandpa, are more likely to be called David than Dave.

This genial Irish surname feels much more current than Donald.

This could be a possible replacement for the overused Tyson, though it has something of a commercial feel related to the brand of vacuum cleaners.

Obscure, though legitimate, name that could be used to honor a relative named Barton or Martin.

Futuristic, in a 1930s kind of way.

Diminutive of Dillon

Dinand is popular in the Netherlands thanks to a local singing sensation. Dinand is one of many Dutch short forms that come from the middle or end of a name -- think Bas for Sebastian or Hans from Johannes -- rather than from the beginning as is more usual in the U.S. and UK, though we're catching on.

Dior was among the fastest-rising names for both girls and boys in the US in the early 2020s, but was the fastest-falling name for boys in the 2023 statistics.

A common Irish surname that's seldom heard as a first name, but has an appealing meaning.

The name of the protagonist of a trio of novels by French author Alexandre Dumas, most notably The Three Musketeers. D’Artagnan is an aspiring musketeer who travels to Paris in search of fortune and adventure. The character is based on real-life musketeer Charles Ogier de Batz de Castelmore, Comte d’Artagnan. Artagnan is a small village in southwest France.

Definitely a name you won't hear in every playground, Dalfon (also spelled Dalphon) is a highly unusual weather name with a distinctive sound.

Philosopher who advocated the simple life. A classical choice that's almost unused as a baby name.

Possibly meaning "bold", this West African surname is less commonly found as a first name, too.

The Spanish word for "devil" makes for a very daring baby name, but in the era of babies names Hades, Azrael, Loki and even Lucifer, it feels like a plausible possibility. Indeed, 5 baby boys were named Diablo in 1975 – the only year the name has made the US extended list for either sex.