Lou (pronounced the easy-breezy “LOO”) may be only three letters long, yet it carries a suitcase full of history and heart. Springing from the Germanic Ludwig—“famous warrior”—and passed through the elegant French Louise, Lou was once the go-to nickname for stalwarts like Louis, Lucille, and Louise, but today it stands proudly on its own badge, charming both boys and girls with equal ease. Think of it as the verbal equivalent of a favorite pair of jeans: relaxed, versatile, and impossible to dislike. Pop-culture heroes—from baseball legend Lou Gehrig to rock icon Lou Reed—keep its profile shining, while its quiet, century-long presence in America’s Top 1,000 proves it’s more timeless treasure than fleeting trend. For parents hunting a name that feels vintage yet spry, brief yet big-hearted, Lou is ready to step forward, flash a friendly grin, and say, “Nice to meet you.”
| Lou Reed was the deadpan voice and chief songwriter of the Velvet Underground, a band that barely sold records yet went on to shape alternative rock for generations. |
| Lou Gehrig - Henry Louis "Lou" Gehrig, the New York Yankees first baseman nicknamed "the Iron Horse," is remembered as one of baseball's all-time greats and was the first MLB player to have his number retired. |
| Lou Henry Hoover was a geologist and philanthropist who served as first lady from 1929 to 1933, led the Girl Scouts and translated a famous Latin text on metallurgy into English. |
| Retired football coach Lou Holtz won 249 games across six college programs and is best remembered for his years at Notre Dame. |
| Lou Brock was a six-time All-Star left fielder, best known for his years with the St. Louis Cardinals, who was elected to the Baseball Hall of Fame in his first year of eligibility. |
| Lou Ferrigno is an American bodybuilder turned actor who won Mr. America and two Mr. Universe titles before becoming famous as the green giant in TV's The Incredible Hulk. |
| Lou Rawls was a Grammy-winning American baritone best known for his hit You'll Never Find Another Love Like Mine. |
| Lou Gramm is an American singer and songwriter best known as the co-founder and original frontman of the hit rock band Foreigner. |
| Lou Bega is a German singer best known for his 1999 hit Mambo Number 5, a Grammy nominated remake that blended 1940s and 1950s swing with modern beats. |
| Lou Duva was an American boxing trainer, manager and promoter who guided nineteen world champions and earned a place in the International Boxing Hall of Fame. |
| Lou Adler is an American record producer and Roxy Theatre co-owner who shaped the sound of acts like The Mamas and the Papas and produced Carole King's Grammy-winning classic Tapestry. |
| Lou Richards captained Collingwood to the 1953 VFL premiership and went on to charm Australians as a witty sports journalist for more than 50 years. |