# Isabelle name report

Canonical URL: https://babynameranks.com/name/f/isabelle
Data source: U.S. Social Security Administration public baby-name records
Latest year: 2025

## Summary
Isabelle ranked #166 officially for girls in 2025. After combined spelling groups, it ranked #172.

## Official spelling
- Rank: #166
- Birth count: 1,825
- Rate per 10,000: 11.35

## Combined spelling group
- Group display: Isabelle
- Rank: #172
- Birth count: 1,825
- Rate per 10,000: 11.35
- Official count multiplier: 1.00x

## Practical popularity
- Expected per class of 25: 0.01
- Expected per grade of 100: 0.06
- Expected per school of 300: 0.17
- Duplicate chance in grade of 100: 5.3%

## Trend
- Label: mixed / watch
- Peak rate year: 2007
- Best rank year: 2007
- Latest rate as percent of peak: 52.9%

## Spelling components
- Isabelle: 1,825 births

## Methodology notes
- Official SSA ranks treat each spelling separately.
- Combined ranks group spelling variants and recompute ranks by sex.
- State combined counts may be lower bounds when rare state spellings are suppressed.
- Full methodology: https://babynameranks.com/methodology