A versatile classic, Lucy is both sweet and solid, a saint's name, and the heroine of several great novels. First fashionable in England and Wales, Lucy is now a popular choice in the US, The Netherlands, and New Zealand.

Lily is the most popular of the popular delicate century-old flower names now making a return, thanks to its many irresistible attributes: a cool elegance and a lovely sound, a symbol of purity and innocence, and a role in Christian imagery.

Lysander is a distinctive Greek name that could be thought of as a more creative cousin of Alexander. In ancient history, Lysander was the name of an esteemed Spartan naval commander and his literary cred comes from one of the two star-struck young men in Shakespeare's A Midsummer Night's Dream, as well as one of the twin sons (the other being Lorcan) of Luna Lovegood, whom we learn about in the Harry Potter epilogue.

Luke is a cool-yet-strong Biblical name with a relaxed cowboy feel, which has been on the rise since the advent of Luke Skywalker.

Kate and William shocked the world when they announced that they'd named their third child Louis, or Prince Louis Arthur Charles, to be more precise. But we've been predicting a comeback for this classic name for a long time.

Lillian has ranked among the US Top 100 for the past 20 years, making it Lily's less popular but more grown-up cousin.

Strong but sweet, Leah is a classic name that doesn't feel dull or dusty. It's got plenty of dignity, grace, and pluck, making it a solid choice in the 21st century.

A "modernization" of Leonora that has suddenly come back on the radar along with the many other Leo names--both male and female. With literary cred via a famous eponymous poem by Edgar Allan Poe (and also in his even more famous The Raven,) Lenore was steadily in the top half of the popularity list until the mid-fifties, falling off in 1973. Cameron Diaz played a Lenore in The Green Hornet.

Can Linus lose its metaphorical security blanket and move from the Peanuts page onto the birth certificate? We think it has enough charm and other positive elements going for it for the answer to be yes.

Lincoln cracked the Top 50 for boys' names for the first time in 2016, more than 150 years after the death of its most famous bearer. This is especially remarkable because, as crazy as it seems now, Lincoln was deeply out of fashion as recently as the late 90s, consistently hovering near the bottom of the Top 1000.

Laurel takes Laura back to its meaning in nature, resulting in a gentle, botanical option. Even more directly than Laura, Laurel relates back to the laurel wreath signifying success and peace in ancient Greece and Rome.

Lemuel is a neglected Old Testament name, with the friendly nickname Lem, that we're surprised hasn't been picked up on by parents who have known too many Samuels.

Sweet but sleek, and distinctive, Liesel is an old German nickname-name for Elisabeth. It might have once seemed inextricably tied to to its country of origin, but now, like Elsa, Enzo, Saoirse, Freya, Soren, and Heidi, it leans more towards being international and European chic.

Sweet but sleek, and distinctive, Liesl is an old German nickname-name for Elisabeth. It might have once seemed inextricably tied to to its country of origin, but now, like Elsa, Enzo, Saoirse, Freya, Soren, and Heidi, it leans more towards being international and European chic.

Could Lilac be the next Lila or Lily or Violet? It certainly has a lot going for it--those lilting double 'l's, the fabulous fragrance it exudes, and the fact that it's a color name as well, providing a ready made nursery theme. In addition, the lilac is symbolic of first love.

A flower name containing both beauty and power, Lotus has significance in both Buddhism and Hinduism, symbolizing purity, grace and spiritual growth — not to mention a familiar yoga position.

A unique combination of a surname feel and dainty femininity, Lacey is a favorite in the UK where it ranks in the Top 500. Likely derived from the name of a place in Normandy, it might occasionally be considered a diminutive to Wallace ("Welshman") or Larissa ("citadel").

Liev Schreiber's birth name is Isaac Liev, Liev after his mother's favorite Russia author, Leo Tolstoy. Though Liev is increasing in popularity in the secular world thanks to the actor, it originated as a Yiddish diminutive.

Euro-cool. Heard more in Scotland than in England or the US, Ludovic Lesly is a character in the Sir Walter Scott novel Quentin Durward and Sir Ludovic Kennedy was a noted Scottish broadcaster and writer. Cute nickname: Ludo.

In the early eighties, Lindsay, in tandem with Courtney, approached the Top 10.