Irelyn
Irelyn was the 4394th most popular name for girls in 2025, given to 32 babies. Its best year was 2008, when it ranked 1371st with 176 babies. Over the last ten years it has moved down 1,669 places. More babies were named Irelyn in the 2010s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #4,394 girls, down 2,188 places since 2020
- Babies in 2025
- 32girls
- Girls and boys
- Almost always a girl’s name2021–2025
- Peak year
- 2008176 babies
- Total since 1880
- 1,594babies recorded
Irelyn popularity since 1880
| Year | Rank (girls) | Babies (girls) |
|---|---|---|
| 2025 | #4,394 | 32 |
| 2020 | #2,206 | 82 |
| 2010 | #2,127 | 93 |
| 2000 | #11,124 | 8 |
| 1990 | — | — |
| 1980 | — | — |
| 1970 | — | — |
| 1960 | — | — |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Irelyn, counting every spelling?
Irelyn is a spelling of Irelynn, a name family that had 74 girls in 2025 across its spellings. Together these spellings went to 74 girls in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Irelynn | 42 | #3,604 | 321 |
| Irelyn | 32 | #4,394 | 228 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Irelyn?
32 of the 3,606,400 babies born in the US in 2025 were named Irelyn (0.01 per 1,000 births). For a girl named Irelyn born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 261 (of 430 pupils) would have a child named Irelyn.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Irelyn?
About 1,600 people born in the US named Irelyn are alive today, with a median age of 14; half are between 8 and 18. That makes Irelyn mostly worn by children and young adults.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Irelyn by state
How common Irelyn was among girls born in each state in 2021–2025. In 46 states fewer than five girls a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Irelyn: their share of US girls followed the most similar curve since 1880. If you like Irelyn, they share its era and feel.
Questions about the name Irelyn
How popular is the name Irelyn?
Irelyn was the 4394th most popular name for girls in 2025, given to 32 babies. Its best year was 2008, when it ranked 1371st with 176 babies. Over the last ten years it has moved down 1,669 places. More babies were named Irelyn in the 2010s than in any other decade.
Is Irelyn a boy or girl name?
In 2021–2025, almost always a girl’s name given the name Irelyn in the US.
Where is Irelyn most popular?
In 2021–2025, Irelyn was most common in Indiana (0.04 per 1,000 girls), followed by Pennsylvania and New York.