Milly: Name Popularity, History & Rankings (1880

Rank 2025

#1,790

among girls · ↑13 vs 2024

Babies in 2025

113

named Milly · +1% vs 2024

How common

1 in 14,224

girls born in 2025

Peak year

2014

129 babies

All-time total

3,347

#3,349 all-time among girls

First recorded

1884

in Social Security records

Milly popularity over time

3,347 babies have been named Milly since 1884, 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

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	Per year	Change	Best rank
1880s	15	2	–	#714
1890s	32	3	+113%	#1,384
1900s	10	1	-69%	#1,868
1910s	114	11	+1040%	#1,692
1920s	177	18	+55%	#1,851
1930s	134	13	-24%	#1,724
1940s	116	12	-13%	#2,213
1950s	123	12	+6%	#2,835
1960s	132	13	+7%	#2,466
1970s	79	8	-40%	#4,232
1980s	86	9	+9%	#5,250
1990s	118	12	+37%	#4,979
2000s	514	51	+336%	#1,849
2010s	1,024	102	+99%	#1,657
2020s (to 2025)	673	112	+10%	#1,738

Where Milly 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	115	0.07	outside top 500
2027	116	0.07	outside top 500
2028	118	0.07	outside top 500
2029	119	0.07	outside top 500
2030	120	0.07	outside top 500

Where Milly is most popular

Girls named Milly per 1,000 girls born in each state, 2021–2025. National average: 0.070 per 1,000. Strongest in Utah, Nevada, and Oklahoma.

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 Milly 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
Utah	12	0.144	+105%
Nevada	5	0.108	+53%
Oklahoma	6	0.082	+16%
California	68	0.081	+15%
Florida	29	0.068	≈ national
Texas	53	0.066	-6%
Louisiana	5	0.057	-19%
New York	21	0.053	-25%
Georgia	12	0.053	-25%
Indiana	7	0.050	-29%
North Carolina	11	0.048	-31%
Massachusetts	5	0.041	-41%
Tennessee	6	0.038	-46%
Michigan	5	0.027	-61%
Ohio	5	0.021	-70%
Alaska	–	–	–
Alabama	–	–	–
Arkansas	–	–	–
Arizona	–	–	–
Colorado	–	–	–
Connecticut	–	–	–
District of Columbia	–	–	–
Delaware	–	–	–
Hawaii	–	–	–
Iowa	–	–	–
Idaho	–	–	–
Illinois	–	–	–
Kansas	–	–	–
Kentucky	–	–	–
Maryland	–	–	–
Maine	–	–	–
Minnesota	–	–	–
Missouri	–	–	–
Mississippi	–	–	–
Montana	–	–	–
North Dakota	–	–	–
Nebraska	–	–	–
New Hampshire	–	–	–
New Jersey	–	–	–
New Mexico	–	–	–
Oregon	–	–	–
Pennsylvania	–	–	–
Rhode Island	–	–	–
South Carolina	–	–	–
South Dakota	–	–	–
Virginia	–	–	–
Vermont	–	–	–
Washington	–	–	–
Wisconsin	–	–	–
West Virginia	–	–	–
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 Milly

Milly is rare for girls in the United States, ranked #1,790 in 2025 with 113 babies given the name. It is currently holding steady compared with a decade ago.

Since 1884, 3,347 American babies have been named Milly. Its peak came in 2014, when 129 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 Milly stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Milly?

The median living Milly is about 12 years old; half are between 6 and 23. An estimated 2,800 people named Milly are alive in the United States today.

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

Milly year by year

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

Year	Girls	Girls rank
2025	113	#1,790
2024	112	#1,803
2023	110	#1,832
2022	116	#1,779
2021	119	#1,738
2020	103	#1,877
2019	103	#1,927
2018	108	#1,876
2017	103	#1,949
2016	113	#1,836
2015	88	#2,160
2014	129	#1,657
2013	108	#1,872
2012	95	#2,041
2011	82	#2,289
2010	95	#2,087
2009	78	#2,464
2008	116	#1,849
2007	46	#3,579
2006	53	#3,164
2005	39	#3,785
2004	40	#3,675
2003	48	#3,109
2002	32	#4,047
2001	31	#4,080
2000	31	#4,045
1995	12	#7,371
1990	10	#8,299
1985	14	#5,250
1980	9	#7,185
1975	13	#4,763
1970	6	#7,665
1965	11	#4,123
1960	20	#2,792
1955	16	#2,922
1950	11	#3,364
1945	16	#2,213
1940	9	#3,135
1935	17	#1,975
1930	13	#2,515
1925	21	#1,925
1920	17	#2,235
1915	19	#1,773
1910	8	#1,886
1905	–	–
1900	–	–
1895	–	–
1890	5	#1,468
1885	–	–
1880	–	–

Frequently asked questions

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

How old is the average Milly?

The median living Milly is about 12 years old. Half of all living Millys are between 6 and 23 years old.

How many people named Milly are alive today?

An estimated 2,800 people named Milly are alive in the United States, based on 3,347 recorded births and Social Security life tables.

What does the name Milly mean?

A diminutive of the female given names Mildred, Millicent, Emily, and Camilla, also used as a formal given name.

How popular is the name Milly in 2025?

Milly ranked #1,790 among girls' names in the United States in 2025, with 113 babies given the name, according to Social Security Administration data.

How many people are named Milly?

3,347 babies have been named Milly in the United States since 1884, based on Social Security card applications.

When was the name Milly most popular?

Milly peaked in 2014, when 129 newborns received the name.

Is Milly a boy or girl name?

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

Is the name Milly rising or falling?

Milly has been roughly stable over the past decade.

Will Milly become more popular?

Milly looks stable. If the recent trend holds, we project roughly 120 girls named Milly in 2030, ranking outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Milly

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

Compare Milly with similar names → More names starting with M →