Marylou Girl
How popular is Marylou?
#4,757 girl name in 2025
28 baby girls were named Marylou in the US in 2025, making it the 4757th most popular girl name.
7,804living people named Marylou (est.)
69median age of people named Marylou
13,112babies named Marylou since 1880
1 in 118,405US babies born in 2025
Marylou popularity over time
| Rank in 2025 | #4,757 for girls (▲ 133 from 2024) |
|---|---|
| Babies in 2025 | 28 girls |
| 10-year trend | Steady (+12% babies vs 2015) |
| Earlier ranks | #5,286 in 2015, #5,483 in 2020 |
| Peak year | 1942 (376 girls) |
| Highest rank | #350 in 1937 |
| First recorded | 1898 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Where Marylou is most popular
Babies named Marylou per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFL
- Florida: 0.0 per 1,000 (5 girls)
- California: 0.0 per 1,000 (5 girls)
Marylou by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1890s | 12 | #1,277 |
| 1900s | 54 | #1,219 |
| 1910s | 313 | #875 |
| 1920s | 1,251 | #409 |
| 1930s | 2,621 | #350 |
| 1940s | 3,141 | #361 |
| 1950s | 2,128 | #496 |
| 1960s | 1,598 | #579 |
| 1970s | 536 | #1,270 |
| 1980s | 517 | #1,587 |
| 1990s | 356 | #2,784 |
| 2000s | 209 | #4,317 |
| 2010s | 228 | #4,219 |
| 2020s | 148 | #4,757 |
Girl names about as popular as Marylou
Questions
- Is Marylou a boy or girl name?
- Marylou is mostly a girl name. Over the last 10 years, 100% of babies named Marylou were girls.
- How popular is the name Marylou?
- 28 baby girls were named Marylou in the US in 2025, making it the 4757th most popular girl name.
- When was Marylou most popular?
- Marylou peaked in 1942, when 376 girls were given the name. Its highest rank was #350 in 1937.
- How many people are named Marylou?
- 13,112 babies have been named Marylou in the US since 1880. We estimate about 7,804 of them are alive in 2026, with a median age of 69.
- Where is Marylou most popular?
- From 2021 to 2025, Marylou was most common in Florida, at 0.0 of every 1,000 girls born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.