How Common is the First Name Lou?
We estimate that there are 17,794 people named Lou who are currently alive and were born in the United States. Lou is the 1,072nd most common for women, and the 1,733rd most common overall.
How Old are People Named Lou?
The average person named Lou is 64.14 years old.
Is Lou a Popular Baby Name Right Now?
146 people named Lou were born in the U.S. in 2025. It was the 1,919th most popular name for boys, and the 2,747th most popular overall.
The popularity of Lou peaked in 1880, when it was the 122nd most popular name for baby girls.
Is Lou a Boy's Name or a Girl's Name?
Lou is a unisex name, but more common for women. 86.8% of people named Lou are female, while 13.2% are male.
Popularity of Lou in England
In 2020, Lou was the in England and Wales.