Isobel
Girl name · #2303 in 2025 · Very rare
In 2025, 79 baby girls were named Isobel, placing it at #2303 in the official national rankings. A decade ago it stood at #2088, so the name has been falling over the past ten years. Roughly one in every 22,785 girls born in 2025 was named Isobel.
The 131-year story
Isobel first appears in the Social Security records in 1894, when 5 girls received the name. Its peak came in 2016, when 129 girls were named Isobel — good for #1660 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Isobel per year. Source: SSA.
Unlock the 5-year forecast and compare Isobel against up to 5 other names.
Uniqueness: will there be another Isobel in class?
On our rarity read — which blends how common Isobel is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Isobel will likely be the only one in the room, with the occasional spelling-out as the price.
Where Isobel is most common
State-level data for Isobel is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Isobel
Statistically, parents drawn to Isobel tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Izabel, Annabel, Israel, Mirabel, and Izel.
IzabelAnnabelIsraelMirabelIzelAseelIxchelAvigail
Rank history (last 25 years)
| Year | Babies named Isobel | Rank |
|---|---|---|
| 2025 | 79 | #2298 |
| 2024 | 79 | #2327 |
| 2023 | 95 | #2050 |
| 2022 | 84 | #2228 |
| 2021 | 92 | #2071 |
| 2020 | 94 | #1991 |
| 2019 | 91 | #2070 |
| 2018 | 89 | #2130 |
| 2017 | 112 | #1828 |
| 2016 | 129 | #1660 |
| 2015 | 93 | #2088 |
| 2014 | 98 | #2010 |
| 2013 | 100 | #1968 |
| 2012 | 85 | #2205 |
| 2011 | 82 | #2274 |
| 2010 | 102 | #1959 |
| 2009 | 95 | #2119 |
| 2008 | 81 | #2380 |
| 2007 | 110 | #1886 |
| 2006 | 78 | #2396 |
| 2005 | 52 | #3052 |
| 2004 | 50 | #3071 |
| 2003 | 67 | #2439 |
| 2002 | 69 | #2331 |
| 2001 | 57 | #2635 |
Frequently asked questions
Is Isobel a popular girl name?
Isobel ranked #2303 among girls in 2025 with 79 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2088.
When was the name Isobel most popular?
Isobel peaked in 2016, when 129 American girls received the name (ranked #1660 that year). Since 2016 the name has declined from that high.
How rare is the name Isobel?
In 2025, roughly 1 in 22,785 newborn American girls was named Isobel. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.