Marylou
Marylou was the 4835th most popular name for girls in 2025, given to 28 babies. Its best year was 1937, when it ranked 350th; the most babies were born in 1942 (376). Over the last ten years it has moved up 571 places. More babies were named Marylou in the 1940s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #4,835 girls, up 763 places since 2020
- Babies in 2025
- 28girls
- Girls and boys
- Almost always a girl’s name2021–2025
- Peak year
- 1942376 babies
- Total since 1880
- 13,112babies recorded
Marylou popularity since 1880
| Year | Rank (girls) | Babies (girls) |
|---|---|---|
| 2025 | #4,835 | 28 |
| 2020 | #5,598 | 22 |
| 2010 | #6,107 | 22 |
| 2000 | #4,619 | 26 |
| 1990 | #3,201 | 35 |
| 1980 | #2,918 | 31 |
| 1970 | #1,276 | 86 |
| 1960 | #675 | 227 |
| 1950 | #499 | 262 |
| 1940 | #386 | 300 |
| 1930 | #512 | 172 |
| 1920 | #955 | 59 |
| 1910 | #1,719 | 9 |
| 1900 | #2,118 | 5 |
| 1890 | — | — |
| 1880 | — | — |
How popular is Marylou, counting every spelling?
Marylou is the most common spelling of a name family that had 28 girls in 2025 across its spellings. Together these spellings went to 28 girls in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Marylou | 28 | #4,835 | 126 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Marylou?
28 of the 3,606,400 babies born in the US in 2025 were named Marylou (0.01 per 1,000 births). For a girl named Marylou born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 298 (of 430 pupils) would have a child named Marylou.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Marylou?
About 7,400 people born in the US named Marylou are alive today, with a median age of 69; half are between 55 and 79. That makes Marylou a name most people associate with older generations.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Marylou by state
How common Marylou was among girls born in each state in 2021–2025. In 49 states fewer than five girls a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Marylou: their share of US girls followed the most similar curve since 1880. If you like Marylou, they share its era and feel.
Questions about the name Marylou
How popular is the name Marylou?
Marylou was the 4835th most popular name for girls in 2025, given to 28 babies. Its best year was 1937, when it ranked 350th; the most babies were born in 1942 (376). Over the last ten years it has moved up 571 places. More babies were named Marylou in the 1940s than in any other decade.
Is Marylou a boy or girl name?
In 2021–2025, almost always a girl’s name given the name Marylou in the US.
Where is Marylou most popular?
In 2021–2025, Marylou was most common in Florida (0.01 per 1,000 girls), followed by California and California.