Isobel
Isobel was the 2307th most popular name for girls in 2025, given to 79 babies. Its best year was 1916, when it ranked 817th; the most babies were born in 2016 (129). Over the last ten years it has moved down 209 places. More babies were named Isobel in the 2010s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #2,307 girls, down 311 places since 2020
- Babies in 2025
- 79girls
- Girls and boys
- Almost always a girl’s name2021–2025
- Peak year
- 2016129 babies
- Total since 1880
- 3,802babies recorded
Isobel popularity since 1880
| Year | Rank (girls) | Babies (girls) |
|---|---|---|
| 2025 | #2,307 | 79 |
| 2020 | #1,996 | 94 |
| 2010 | #1,965 | 102 |
| 2000 | #2,645 | 56 |
| 1990 | #8,104 | 10 |
| 1980 | — | — |
| 1970 | #6,596 | 7 |
| 1960 | — | — |
| 1950 | #5,612 | 5 |
| 1940 | #2,482 | 12 |
| 1930 | #1,333 | 33 |
| 1920 | #1,329 | 35 |
| 1910 | #1,090 | 17 |
| 1900 | #1,644 | 7 |
| 1890 | — | — |
| 1880 | — | — |
How popular is Isobel, counting every spelling?
Isobel is the most common spelling of a name family that had 86 girls in 2025 across its spellings. Together these spellings went to 86 girls in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Isobel | 79 | #2,307 | 429 |
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 Isobel?
79 of the 3,606,400 babies born in the US in 2025 were named Isobel (0.02 per 1,000 births). For a girl named Isobel 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 106 (of 430 pupils) would have a child named Isobel.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Isobel?
About 2,600 people born in the US named Isobel are alive today, with a median age of 14; half are between 8 and 23. That makes Isobel 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.
Isobel by state
How common Isobel was among girls born in each state in 2021–2025. It is notably more common than nationally in Pennsylvania (1.6×). In 40 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 Isobel: their share of US girls followed the most similar curve since 1880. If you like Isobel, they share its era and feel.
Questions about the name Isobel
How popular is the name Isobel?
Isobel was the 2307th most popular name for girls in 2025, given to 79 babies. Its best year was 1916, when it ranked 817th; the most babies were born in 2016 (129). Over the last ten years it has moved down 209 places. More babies were named Isobel in the 2010s than in any other decade.
Is Isobel a boy or girl name?
In 2021–2025, almost always a girl’s name given the name Isobel in the US.
Where is Isobel most popular?
In 2021–2025, Isobel was most common in Massachusetts (0.16 per 1,000 girls), followed by Iowa and Pennsylvania.