Marylou
Girl nameMarylou has been given to 13,112 babies in the U.S. since 1898. It peaked in 1942. In 2025, about 1 in 57,402 girls was named Marylou.
Meaning & origin
Variant of Mary Lou.
Etymology adapted from Wiktionary, licensed CC BY-SA 4.0.
Popularity over time births per year, 1880–2025
Total babies
13,112
Peak year
1942 (376 babies)
Rank in 2025
Below top 1000
First recorded
1898
10-year trend
▲ +12%
Gender split
All girls
Rank through the decades
Marylou's rank among U.S. girl names at 25-year milestones.
| Year | Girls rank |
|---|---|
| 1925 | #824 |
| 1950 | #499 |
— means outside the top 1000 that year.
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Marylou.
FAQ
How popular is the name Marylou?
Marylou has been given to 13,112 babies in the U.S. since 1898. It ranked below the top 1000 in 2025.
When did the name Marylou peak?
Marylou peaked in 1942, when 376 babies were given the name.
Is Marylou a girl or boy name?
Marylou is primarily a girl name (100% of babies named Marylou are girls).
Get new name insights first
Occasional updates when we add new data & tools. No spam, unsubscribe anytime by replying to any email or writing to hello@zalize.com.
By subscribing you agree to our privacy policy. We store only your email address and the date you signed up.