Home / Name Directory / Marlo
How Many People Are Named Marlo?
Estimated people named Marlo living in the U.S. today
9,612
Gender distribution
32% male · 68% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 10,738
- Peak year: 1970 (635 births)
- Estimated living today: 9,612
Marlo by age group — who carries the name today?
Marlo popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Marlo
Marlo has been recorded by the Social Security Administration since the 19th century dataset began. In total, 10,738 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 9,612 bearers are still living — roughly 1 in 35,560 Americans. The name's strongest decade shapes how old most Marlos 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 Marlo in the US?
An estimated 9,612 people named Marlo are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Marlo very rare — about 1 in 35,560 Americans.
Is Marlo a boy or girl name?
In SSA records, Marlo is 32% male and 68% female, so it is predominantly a female name.
When was Marlo most popular?
Marlo peaked in 1970, when 635 babies were given the name. Its current trend is rising compared with the previous decade.
How rare is the name Marlo?
Marlo ranks #2,459 of 104,819 first names recorded by the SSA, with a rarity score of 53 out of 100 (higher means rarer).