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The short answer
Cleo is a feminine name used in English. Behind the Name describes it this way: "Short form of Cleopatra, Cleon or Cleopas." It ranked #577 for girls in the United States in 2025.
Meaning and etymology
According to Behind the Name, short form of Cleopatra, Cleon or Cleopas. The entry lists its usage as English.
Editorial confidence: likely
Popularity
Cleo ranked #577 for girls in the United States in 2025. The figure comes from the Social Security Administration's national file for that year.
| Region | Year | Rank | Source |
|---|---|---|---|
| United States | 2025 | #577 | ssa-2025 |
If you like this name
Names that Behind the Name files under the same origin (English) and that sit near Cleo in the 2025 American rankings.
Similar by origin
Frequently asked questions
What does the name Cleo mean?
Behind the Name does not give Cleo a one-word meaning. It describes the name as follows: short form of Cleopatra, Cleon or Cleopas.
Is Cleo a popular name?
Cleo ranked #577 for girls in the United States in 2025. (Social Security Administration data).
Is Cleo a boy's or a girl's name?
In the 2025 SSA data Cleo appears in the girls' list; Behind the Name labels it feminine & masculine.
Sources
- Behind the Name: Meaning, origin and history of the name Cleo — supports meaning, usage, pronunciation, variants.
- U.S. Social Security Administration: Popular Baby Names — national data, year of birth 2025 — supports popularity.
