Baby Names US
girls' name ★ peaked 2016

Addilyn

Meaning Rare non-standard variant of Adeline Gender Girl Rank 2025 #988 Trend ↓ Falling 52%

Rare non-standard variant of Adeline.

Rank 2025
#988
among girls · ↓216 vs 2024
Babies in 2025
256
named Addilyn · -30% vs 2024
How common
1 in 6,278
girls born in 2025
Peak year
2016
1,045 babies
All-time total
9,862
#1,689 all-time among girls
First recorded
1999
in Social Security records

Addilyn popularity over time

9,862 babies have been named Addilyn since 1999, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure
Births per 1,000 babies of that sex, comparable across eras
0.190.380.560.7518801900192019401960198020002020GirlsBoys
GirlsBoys

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.

Decade Girls Boys Total Per year Change Best rank
1880s – – – – – –
1890s – – – – – –
1900s – – – – – –
1910s – – – – – –
1920s – – – – – –
1930s – – – – – –
1940s – – – – – –
1950s – – – – – –
1960s – – – – – –
1970s – – – – – –
1980s – – – – – –
1990s 5 – 5 1 – #14,429
2000s 584 – 584 58 +11580% #1,192
2010s 6,349 5 6,354 635 +988% #312
2020s (to 2025) 2,919 – 2,919 487 -23% #420

Where Addilyn is heading

A five-year projection from the recent trend in births per 1,000 girls (damped so it flattens over time), converted to babies at today's birth totals. The implied rank places that projection in the 2025 field. A projection, not a promise: real trends bend.

Year Projected babies Per 1,000 girls Implied rank
2026 225 0.14 outside top 500
2027 202 0.13 outside top 500
2028 184 0.11 outside top 500
2029 170 0.11 outside top 500
2030 159 0.10 outside top 500

Where Addilyn is most popular

Girls named Addilyn per 1,000 girls born in each state, 2021–2025. National average: 0.279 per 1,000. Strongest in Arkansas, Maine, and Iowa.

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 Addilyn 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 Girls 2021–2025 Per 1,000 vs national
Arkansas 40 0.757 +171%
Maine 11 0.711 +154%
Iowa 41 0.702 +151%
Kentucky 59 0.690 +147%
Mississippi 31 0.663 +137%
Alabama 62 0.660 +136%
Tennessee 104 0.656 +135%
Utah 54 0.649 +132%
Indiana 88 0.627 +124%
Kansas 33 0.572 +105%
Oklahoma 42 0.571 +104%
Wisconsin 58 0.563 +102%
Idaho 18 0.538 +93%
Ohio 127 0.535 +92%
Michigan 88 0.483 +73%
Nebraska 17 0.473 +69%
Missouri 56 0.465 +66%
South Carolina 41 0.456 +63%
Minnesota 49 0.454 +63%
North Carolina 103 0.452 +62%
Louisiana 37 0.423 +51%
Georgia 95 0.418 +50%
Oregon 25 0.384 +37%
West Virginia 10 0.382 +37%
North Dakota 5 0.380 +36%
Pennsylvania 82 0.347 +24%
Washington 45 0.312 +11%
Virginia 51 0.299 +7%
Colorado 33 0.296 +6%
Illinois 65 0.284 ≈ national
Texas 202 0.251 -10%
New Mexico 6 0.247 -12%
Florida 97 0.227 -19%
Arizona 26 0.185 -34%
Maryland 19 0.179 -36%
California 102 0.121 -57%
Massachusetts 14 0.116 -59%
New York 43 0.109 -61%
New Jersey 6 0.033 -88%
Alaska – – –
Connecticut – – –
District of Columbia – – –
Delaware – – –
Hawaii – – –
Montana – – –
New Hampshire – – –
Nevada – – –
Rhode Island – – –
South Dakota – – –
Vermont – – –
Wyoming – – –

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 Addilyn

Addilyn is uncommon for girls in the United States, ranked #988 in 2025 with 256 babies given the name. It is currently declining compared with a decade ago.

Since 1999, 9,862 American babies have been named Addilyn. Its peak came in 2016, when 1,045 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 Addilyn stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Addilyn?

The median living Addilyn is about 8 years old; half are between 5 and 11. An estimated 9,800 people named Addilyn are alive in the United States today.

median 8 020406080100

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Addilyn year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year Girls Girls rank Boys Boys rank
2025 256 #988 – –
2024 365 #772 – –
2023 376 #749 – –
2022 520 #575 – –
2021 750 #420 – –
2020 652 #469 – –
2019 615 #512 – –
2018 875 #359 – –
2017 825 #376 – –
2016 1,040 #312 5 #12,227
2015 974 #335 – –
2014 570 #543 – –
2013 440 #640 – –
2012 404 #695 – –
2011 342 #790 – –
2010 264 #967 – –
2009 211 #1,192 – –
2008 137 #1,642 – –
2007 101 #2,016 – –
2006 49 #3,317 – –
2005 39 #3,732 – –
2004 18 #6,493 – –
2003 18 #6,301 – –
2002 – – – –
2001 11 #8,764 – –
2000 – – – –
1995 – – – –
1990 – – – –
1985 – – – –
1980 – – – –
1975 – – – –
1970 – – – –
1965 – – – –
1960 – – – –
1955 – – – –
1950 – – – –
1945 – – – –
1940 – – – –
1935 – – – –
1930 – – – –
1925 – – – –
1920 – – – –
1915 – – – –
1910 – – – –
1905 – – – –
1900 – – – –
1895 – – – –
1890 – – – –
1885 – – – –
1880 – – – –

Frequently asked questions

Quick answers about Addilyn, drawn from the same Social Security data as the charts above.

How old is the average Addilyn?

The median living Addilyn is about 8 years old. Half of all living Addilyns are between 5 and 11 years old.

How many people named Addilyn are alive today?

An estimated 9,800 people named Addilyn are alive in the United States, based on 9,862 recorded births and Social Security life tables.

What does the name Addilyn mean?

Rare non-standard variant of Adeline.

How popular is the name Addilyn in 2025?

Addilyn ranked #988 among girls' names in the United States in 2025, with 256 babies given the name, according to Social Security Administration data.

How many people are named Addilyn?

9,862 babies have been named Addilyn in the United States since 1999, based on Social Security card applications.

When was the name Addilyn most popular?

Addilyn peaked in 2016, when 1,045 newborns received the name.

Is Addilyn a boy or girl name?

Addilyn is overwhelmingly a girl's name: 100% of babies with the name.

Is the name Addilyn rising or falling?

Addilyn is declining, less popular now than a decade ago.

Will Addilyn become more popular?

Addilyn is trending downward. If the recent trend holds, we project roughly 159 girls named Addilyn in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Addilyn

Names that sound and feel close to Addilyn: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Addilyn with similar names → More names starting with A →