Criminal Minds Characters

Matthew was the third most popular boys' name in America throughout the 1980s and '90s, and is still one of the top boy names starting with M. The New Testament Matthew is the epitome of the fashionable classic—safe and sturdy, yet with a more engaging personality than John or William.

Meg, perennially one of the Little Women, is a Margaret short form that manages to be neither quite in nor quite out of style. Meg is sleeker and more sophisticated than Maggie, more contemporary than Peg, more stylish than Megan, and still one of the best diminutives of Margaret.

Meg Ryan was born Margaret Mary Emily Anne.

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.

This image of this distinguished Anglo-Scottish surname, drawn from the French place name of the ancient castle of Saint Foi de Montgomery, is rapidly shifting from fusty and formal to cool. And dashing short form Monty (or Monte) nudges it to cute.

Penelope is an unlikely 21st century baby name success story. Off the Top 1000 for 25 years, Penelope jumped back on in 2001 and has been heading uphill ever since, propelled by the trend for mythological names, Spanish actress Penelope Cruz, and some high-profile celebrity babies.

Portia is a perfect role-model name, relating to Shakespeare's brilliant and spirited lawyer in The Merchant of Venice, and is now also a Hunger Games name .

The Reid spelling is the most popular by half, probably because it feels more like a name than Reed, which looks more like a word. It's used occasionally for girls but this name is firmly in the boys' camp.

Spelling variations abound when a name is trendy, which Rosalind is not these days. We say leave Roslyn back in the middle of the 20th century and reclaim the original Rosalind.

Roxy, also spelled Roxie, is one of those high-stepping showgal names with plenty of moxie, among the many sassy nickname names on the U.K. popularity list--currently Number 398.

Sam has long been used on its own for boys, as accepted standing by itself as it is as a short form of Samuel. Straightforward and down-to-earth, Sam is the name of the son of the co-stars of The Americans, Keri Russell and Matthew Rhys. Sam is one of the most popular names that start with S in the Western world, ranking higher in several European countries than it does in the US, where it's trended downward since the 19th century, though it's always been in the Top 1000.

A place name with a deep Southern accent, the once-obscure Savannah shot to fame, with others of its genre, on the heels of the best seller Midnight in the Garden of Good and Evil, which was set in the mossy Georgia city of Savannah. Originally a substitute for the overused Samantha, Savannah is now becoming overused itself, long among the top girls' names starting with S.

Sean, after a long reign as one of the top Irish boys' names in the US, has now slipped as parents look to fresher Irish choices such as Liam and Aidan. In Ireland, Sean is still highly popular, but variation Senan, an Anglicized spelling of diminutive Seanan, is also stylish in Ireland. While Sean is the Irish form of John, Seanan and Senan may be thought of either as Sean diminutives or relatives of the Latin word "senator".

Widely heard in both Italian and Spanish households, Sergio and his many international brothers are rooted in Sergius, one of the original Roman family names. The meaning is unknown, but possibly is related to servant or protector.

Spencer is a name that has everything: it's both distinguished sounding and accessible, dignified but Spencer Tracy-like friendly. Picked by several celebrities (a couple of times even for a girl), adding up to an enthusiastically recommended choice.

A 1970s beach boy surfing buddy of Scott, Brad, and Chad, Todd is given to relatively few babies these days.

William is one of the most enduring of classic names for boys. It's also among the most popular boys' names, as American parents see it as being ideally conservative yet contemporary, and hands-down the most popular baby name beginning with W of all time.