Cecilio Boy
How popular is Cecilio?
#8,239 boy name in 2025
9 baby boys were named Cecilio in the US in 2025, making it the 8239th most popular boy name.
1,772living people named Cecilio (est.)
41median age of people named Cecilio
2,411babies named Cecilio since 1880
1 in 368,371US babies born in 2025
Cecilio popularity over time
| Rank in 2025 | #8,239 for boys (▼ 2340 from 2024) |
|---|---|
| Babies in 2025 | 9 boys |
| 10-year trend | Falling (-31% babies vs 2015) |
| Earlier ranks | #6,320 in 2015, #5,231 in 2020 |
| Peak year | 1998 (39 boys) |
| Highest rank | #1,348 in 1945 |
| First recorded | 1909 |
| Boys vs girls (last 10 years) | 100% boys, 0% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Where Cecilio is most popular
Babies named Cecilio per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
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- California: 0.0 per 1,000 (12 boys)
- Texas: 0.0 per 1,000 (6 boys)
Cecilio by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1900s | 5 | #1,439 |
| 1910s | 84 | #1,675 |
| 1920s | 180 | #1,543 |
| 1930s | 126 | #1,636 |
| 1940s | 198 | #1,348 |
| 1950s | 221 | #1,482 |
| 1960s | 239 | #1,387 |
| 1970s | 267 | #1,535 |
| 1980s | 311 | #1,595 |
| 1990s | 322 | #2,118 |
| 2000s | 220 | #2,676 |
| 2010s | 148 | #4,469 |
| 2020s | 90 | #5,070 |
Boy names about as popular as Cecilio
Questions
- Is Cecilio a boy or girl name?
- Cecilio is mostly a boy name. Over the last 10 years, 100% of babies named Cecilio were boys.
- How popular is the name Cecilio?
- 9 baby boys were named Cecilio in the US in 2025, making it the 8239th most popular boy name.
- When was Cecilio most popular?
- Cecilio peaked in 1998, when 39 boys were given the name. Its highest rank was #1,348 in 1945.
- How many people are named Cecilio?
- 2,411 babies have been named Cecilio in the US since 1880. We estimate about 1,772 of them are alive in 2026, with a median age of 41.
- Where is Cecilio most popular?
- From 2021 to 2025, Cecilio was most common in California, at 0.0 of every 1,000 boys born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.