Scientist names

The related Lucas and Luke are both hugely popular boy names in the US and internationally, and now Luca has joined them on boys' popularity lists around the world.

Mads is a perennial favorite in Germany, the Nordic countries, and the Netherlands, where it is usually to be found in the Top 50. Just remember the D is not pronounced. Famous bearers include Danish actor Mads Mikkelsen, the villain of the Bond film "Casino Royale".

As a highly popular girls’ name in all Spanish-speaking countries, this saintly Latin variation of Mary retains a timeless beauty. Through the centuries, Maria remains one of the most widely-used girl names starting with M.

Mark has the rare appeal of a strong, sleek name with a minimalist modern feel and ancient roots. The name Mark is taken from the Roman god of war Mars, also the namesake of the planet.

The K may be trendy, but this spelling variation is much less popular than Marcus.

Martin is one of those names like Arthur and Vincent and George that is in the process of throwing off its balding middle-aged image to start sounding possible again, used in full without the dated Marty nickname.

Marvin has been neglected for so long that it's hard to believe that it has windswept Welsh roots. It also has some strong namesakes going for it -- singer Marvin Gaye, composer Marvin Hamlisch and boxer Marvin Hagler. It's the real name of both Neil Simon and Meatloaf. And let's not forget mention Marvin Gardens on Monopoly.

In the USA, Maurice was in the Top 200 for most of the 20th century; since 1990, however, it has been on a slow and steady decline. This name has the potential for some old-school cute nicknames such as Mo as well as the more trendy Reece.

Max was derived from Maximilian, a Latin name that originated from the Roman family name Maximus. The character name Max in the children's classic Where the Wild Things Are had an impact on baby namers. Max is a widely used name internationally.

Australian opera singer Nellie Melba—self-named for her hometown of Melbourne—inspired this now-dated name more associated today with a peach dessert and dietetic toast.

Michael was the Number 1 American boys' name for almost half a century. While Michael has moved out of the Top 10 baby boy names, it's still widely used.

Murray, you may be surprised to discover, is a Scottish surname name --that of an ancient noble clan--with a sea-swept meaning, and just could be in the next wave of reevaluated grandpa names. Currently Number 60 for baby boys born in its native Scotland; it was at its highest in the US in 1922, when it reached Number 208, but has been off the list since 1975. Could it be time for a comeback?

Nicholas is derived from the Greek Nikolaos, a name that evolved from the components nikē, meaning "victory", and laos, "people." It shares origins with Nike, the name of the Greek goddess of victory. Nicholas is also a New Testament name that is well-used in literature, such as in Dickens's Nicholas Nickleby.

To the thousands of girls who screamed the name of their favorite Beatle in the 1960s, the boys' name Paul had a thrillingly unique image, but to the rest of the world, then and now, it's a name that's so simple and yet so widely diffuse that it could belong to almost anyone. Paul is an ancient name for boys -- popular in Roman and medieval times -- that's not very fashionable now, which can work in its favor, scarcity balancing simplicity.