By decade. Change compares yearly averages, so the current partial decade is on equal
footing. Best rank is the name's best yearly rank within the decade.
Where Isobel is most popular
Girls named Isobel per 1,000 girls born in
each state, 2021–2025. National average: 0.053 per 1,000.
Strongest in Massachusetts, Iowa, and Pennsylvania.
Vs national average well below below near national above well above no data
All 50 states and DC, sorted by rate. Counts are girls named Isobel born
2021–2025; the per-1,000 rate makes states of different sizes
comparable, and the last column shows each state against the national average.
State counts come from the Social Security Administration's state files, which omit any
state-year with fewer than five babies of a name, so small states can undercount slightly.
The story of Isobel
Isobel is rare for girls in the United States, ranked #2,307 in 2025 with 79 babies given the name. It is currently holding steady compared with a decade ago.
Since 1894, 3,802 American babies have been named Isobel. Its peak came in 2016, when 129 newborns received the name, the signature sound of the 2010s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Isobel stood among all girls' names in any year, or use the compare tool to plot it against other names.