Home / Name Directory / Marylou
How Many People Are Named Marylou?
Estimated people named Marylou living in the U.S. today
6,870
Gender distribution
0% male · 100% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 13,084
- Peak year: 1942 (376 births)
- Estimated living today: 6,870
Marylou by age group — who carries the name today?
Marylou popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Marylou
Marylou has been recorded by the Social Security Administration since the 19th century dataset began. In total, 13,084 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 6,870 bearers are still living — roughly 1 in 49,753 Americans. The name's strongest decade shapes how old most Marylous you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).
Frequently asked questions
How many people are named Marylou in the US?
An estimated 6,870 people named Marylou are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Marylou very rare — about 1 in 49,753 Americans.
Is Marylou a boy or girl name?
In SSA records, Marylou is 0% male and 100% female, so it is predominantly a female name.
When was Marylou most popular?
Marylou peaked in 1942, when 376 babies were given the name. Its current trend is steady compared with the previous decade.
How rare is the name Marylou?
Marylou ranks #3,008 of 104,819 first names recorded by the SSA, with a rarity score of 55 out of 100 (higher means rarer).