Boys name · Illinois
Rex in Illinois
Babies born in Illinois have been named Rex 2,484 times in years with 5 or more births, the first being 1912. In 2025 it was the #996 most common boys name there, on 8 births.
Popularity over time
Rex in Illinois, year by year
| Year | Babies | State rank |
|---|---|---|
| 1912 | 8 | #274 |
| 1927 | 12 | #341 |
| 1942 | 36 | #198 |
| 1957 | 73 | #189 |
| 1973 | 12 | #528 |
| 1988 | 5 | #1037 |
| 2010 | 16 | #656 |
| 2025 | 8 | #996 |
Rex started at #274 in 1912 and finished at #996 in 2025 on the boys list in Illinois, with a high of #149 in 1951 and a low of #1261 in 1997.
No year in Illinois had more Rex births than 1951, when 84 were born. In 1951 it reached #149, its highest boys-name rank in Illinois.
Across the country, Rex reached its highest rank of #39 in Utah (1914). See Rex in every state →
How popular is Rex in Illinois?
Babies born in Illinois have been named Rex 2,484 times in years with 5 or more births, the first being 1912. In 2025 it was the #996 most common boys name there, on 8 births.
How many babies are named Rex in Illinois?
In 2025, 8 babies born in Illinois were named Rex.
What is the rank of Rex in Illinois?
In 2025, Rex sat at #996 on the boys list for Illinois.
Source: U.S. Social Security Administration, names by state of birth (public domain). Counts below 5 in a state-year are omitted by the SSA for privacy.
The same name elsewhere