# Theory name report

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

## Summary
Theory ranked #6092 officially for girls in 2025. After combined spelling groups, it ranked #5593.

## Official spelling
- Rank: #6092
- Birth count: 20
- Rate per 10,000: 0.12

## Combined spelling group
- Group display: Theory
- Rank: #5593
- Birth count: 20
- Rate per 10,000: 0.12
- Official count multiplier: 1.00x

## Practical popularity
- Expected per class of 25: 0.00
- Expected per grade of 100: 0.00
- Expected per school of 300: 0.00
- Duplicate chance in grade of 100: 0.1%

## Trend
- Label: recently peaked
- Peak rate year: 2023
- Best rank year: 2025
- Latest rate as percent of peak: 99.8%

## Spelling components
- Theory: 20 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://mybabyeta.com/babynames/methodology