Lou meaning, girlLou

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What does Lou mean?

Lou \lou\ as a girls' name (also used as boys' name Lou). Short form of Louann. Often used in blends such as Louann, Mary Lou, Louella.


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

For more on this name, see also related girl names Luana, Louise, Lucy and Luella.

Lou has 8 more different forms via Louann, Louella: Loella, Lola, Luane, Luann, Luanne, Luella, Lula and Lulu.

Lou has 1 masculine form: Louis.


Lou is a very popular first name for females (#604 out of 4276, Top 14%) and also a very popular surname for both adults and children (#11758 out of 150436, Top 8%). (2000 U.S. Census)

Presented below is the birth name popularity of Lou for girls. Lou reached its top rank of #157 in the U.S. then, but is not listed at the moment. (Top 1000 Birth Names Records, 2014)

Top 1000 baby names ranking of Lou name in U.S.

Top 100 baby names ranking of Lou outside U.S.

Prominent alternative forms of Lou are Lucy (#62 last year), Lola (#236), Luanne, Luella, Lulu, Lula, Luann, Luana, Louann, Louella, Louise and Lu. These girl names were at the height of their popularity during 1880-1889 (usage of 0.5432%) and are now significantly less widespread (usage 0.1309%, down 75.9%), with forms like Louann, Louella, Louise, Lou and Luann falling out of style. Lucy (#62) and Lola (#236) are two of the more fashionable baby names in this list, and there is a rebound in birth name usage for Lola and Lucy. Below is a graphed comparison of the usage of the girl name Lou and affiliated names. (Top 1000 Birth Names Records, 2014)

Top 1000 baby names ranking of Lola, Lou, Louann, Louella, Louise, Lu, Luana, Luann, Luanne, Lucy in U.S.

Top 1000 baby names ranking of Luella, Lula, Lulu in U.S.

Top 100 baby names ranking of Lola, Louise, Lucy outside U.S.

Similar Names

Lou is pronounced similarly to La-, Lea, Lee and Lia. These names tend to be less frequently used than Lou.