# Madilyn name report

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

## Summary
Madilyn ranked #464 officially for girls in 2025. After combined spelling groups, it ranked #307.

## Official spelling
- Rank: #464
- Birth count: 662
- Rate per 10,000: 4.12

## Combined spelling group
- Group display: Madilyn
- Rank: #307
- Birth count: 1,020
- Rate per 10,000: 6.35
- Official count multiplier: 1.54x

## Practical popularity
- Expected per class of 25: 0.01
- Expected per grade of 100: 0.03
- Expected per school of 300: 0.09
- Duplicate chance in grade of 100: 3.0%

## Trend
- Label: declining
- Peak rate year: 2014
- Best rank year: 2009
- Latest rate as percent of peak: 60.5%

## Spelling components
- Madilyn: 662 births
- Madilynn: 315 births
- Maddilyn: 24 births
- Maddilynn: 19 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