# Jefferson name report

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

## Summary
Jefferson ranked #831 officially for boys in 2025. After combined spelling groups, it ranked #791.

## Official spelling
- Rank: #831
- Birth count: 298
- Rate per 10,000: 1.74

## Combined spelling group
- Group display: Jefferson
- Rank: #791
- Birth count: 315
- Rate per 10,000: 1.84
- Official count multiplier: 1.06x

## Practical popularity
- Expected per class of 25: 0.00
- Expected per grade of 100: 0.01
- Expected per school of 300: 0.03
- Duplicate chance in grade of 100: 0.9%

## Trend
- Label: past peak
- Peak rate year: 1891
- Best rank year: 1891
- Latest rate as percent of peak: 46.7%

## Spelling components
- Jefferson: 298 births
- Jeferson: 17 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