Lou - name meaning and origin

The boy's and girl's name Lou \lou\. Short form of Louann. Often used in blends such as Louann, Mary Lou, Louella.

Lou has 5 variant forms: Louanna, Louanne, Louella, Lu and Loulou.

For more information, see also related names Luana, Louise, Lucy and Luella.

Baby names that sound like Lou are Lee, Lois, La-, Lea and Lia.

Lou is a very popular female first name and a very popular surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the girl's name Lou. Compare Lou with related baby names.