Sheila peaked in popularity from the 1930s to the 1960s (she reached Number 49 in 1965), along with Maureen and Colleen; parents today would probably go back to the original Cecilia or forward to Shea.

This Old Testament place name was in the Top 10 fifty years ago, but now Sharon, along with sound-alike Karen, have fallen out of favor.

In the Top 25 in the unisex seventies, these days Tracy would more likely be Gracie.

2012's Hurricane Sandy blew away whatever style currency Sandra retained from its 1960s Sandra Dee heyday. While in recent years it's been associated with Supreme Court Justice Sandra Day O'Connor, as a baby name Sandra is sinking beneath the waves.

A Caroline abbreviation that was wildly popular with Mom's generation...or Grandma's. At one time it was a name for baby girls born at Christmas. because of its association with Christmas carols.

Laurie morphed into the more streamlined Lori in the sixties but now feels dated for a girl in either spelling. Update Lauren has been renovated as Laurel or Laura itself.

When Deborah seemed too formal in the laid-back sixties, Debra stepped in as a pared-down alternative, but the pendulum is about to swing back.

Tony, as in classy. Or To-nyyy, as yelled out a tenement window.

Some parents just use Steve on the birth certificate, but it doesn't have the breezy charm of trendy short forms like Max, Sam, and Jake. Regardless of how much you love Steve as a given name, it might be smart to give your son a longer option to fall back on.

Kim was the coolest name... of the 1960s. Kim was popularized by actress Kim Novak, and its energy is still maintained by rapper Lil' Kim, but it holds lil' or no appeal for new babies. Parents who like Kim's short, sweet sound might look to a choice such as Sam, Lou, or Belle.

Unlike Jake or Sam, few parents put Mike on the birth certificate.

The quintessential friendly fifties name, nearly epidemic in its day. Now many grownup Debbies have reverted to the full and lovely form of their name, which modern parents often avoid because of the name Debbie ringing too loudly in their ears.

Jeffery is common enough to be an accepted variation but not common enough to be the one you should choose. Nonetheless, this spelling has charted since the early-twentieth century, much like its brother name.

Made famous in fifties movies as a wholesome backwoods gal, Tammy was a Top 10 choice from the mid-60s to early-70s, but is now given to fewer than 100 babies per year in the US.

Your friendly next-door neighbor...not your baby. Although Larry was once one of the most popular boys' names starting with L, that title now belongs to Liam.

Paula still seems somewhat stuck in the era of duo Paul and Paula bopping out the song "Hey, Paula." Two pronunciations are possible—the English "PAW-la" and the Portuguese "POW-la."

The ultimate dad name.

"Help Me, Rhonda. sang the Beach Boys -- help me convince my parents not to give me this sixties name.

There are lots of Kathy moms and grandmas but very few babies, most of whom are now called Kate or Katie.

Onetime superstar name (Number 4 in the seventies) that's now in steep decline. Today's feminine is more likely to be some form of Michaela...or Makayla.