Home / Name Directory / Cleo
How Many People Are Named Cleo?
Estimated people named Cleo living in the U.S. today
11,746
Gender distribution
26% male · 74% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 44,552
- Peak year: 1920 (1,399 births)
- Estimated living today: 11,746
Cleo by age group — who carries the name today?
Cleo popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Cleo
Cleo has been recorded by the Social Security Administration since the 19th century dataset began. In total, 44,552 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 11,746 bearers are still living — roughly 1 in 29,099 Americans. The name's strongest decade shapes how old most Cleos 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 Cleo in the US?
An estimated 11,746 people named Cleo are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Cleo rare — about 1 in 29,099 Americans.
Is Cleo a boy or girl name?
In SSA records, Cleo is 26% male and 74% female, so it is predominantly a female name.
When was Cleo most popular?
Cleo peaked in 1920, when 1,399 babies were given the name. Its current trend is rising compared with the previous decade.
How rare is the name Cleo?
Cleo ranks #2,185 of 104,819 first names recorded by the SSA, with a rarity score of 52 out of 100 (higher means rarer).