Nameling

Millie

Gender
Girl
Say it
MIL-ee
Origin
Germanic
UK rank, 2025
#34 for girls
US rank, 2025
#73 for girls

Classic

Millie is a girls' name of Germanic origin. In 2025 it ranked 34th for girls in the UK (1,296 babies) and 73rd for girls in the US (3,353 babies).

What does Millie mean?

Germanic: pet form of Millicent, Amelia or Mildred

Pet form of Millicent, Mildred, Amelia and Camilla, used independently since the 19th century.

More on Wiktionary.

Is Millie a girl's or a boy's name?

Millie is a girls' name. In 2025, it was given to 1,296 girls in the UK and 3,353 girls in the US. Too few boys were given it to be listed.

How popular is Millie in the UK?

Rank in 2025
#34among girls
Babies in 2025
1,296about 1 in 210 girls
Five-year trend
Steadyup 2% in five years
Same name in a class
6.3%chance among 15 girls

In 2025, 1,296 girls in the UK were named Millie, making it the 34th most popular name for girls. Five years earlier, in 2020, it was 30th. Its busiest year was 2005, with 2,575 girls.

It has been given to fewer girls each year for the last 3 years. 2025 had fewer girls named Millie than any year since 2001.

Half of all the girls named Millie in the UK since 1996 were born between 2005 and 2017, the years shaded on the chart below.

Among girls in 2025, it was 36th in England and Wales, 7th in Scotland and 96th in Northern Ireland.

In the England and Wales top 100 for girls, which the ONS has published every ten years since 1904: 2004 (#22), 2014 (#29) and 2024 (#27).

1996Busiest: 2,575 in 20052025
Millie in the UK, year by year
YearGirlsRank
20251,296#34
20241,490#26
20231,579#26
20221,978#17
20211,712#27
20201,518#30
20191,389#37
20181,374#39
20171,577#35
20161,662#32
20151,910#29
20141,947#27
20132,273#24
20122,221#26
20111,890#34
20101,947#34
20092,251#29
20082,394#24
20072,304#24
20062,369#23
20052,575#23
20042,562#23
20031,946#28
20021,549#39
20011,215#46
20001,030#56
1999825#77
1998839#72
1997593#97
1996328#151

How popular is Millie in the US?

Rank in 2025
#73among girls
Babies in 2025
3,353about 1 in 480 girls
Five-year trend
Rising fastup 125% in five years
Same name in a class
2.9%chance among 15 girls

In 2025, 3,353 girls in the US were named Millie, making it the 73rd most popular name for girls. Five years earlier, in 2020, it was 190th.

It has been given to more girls each year for the last 15 years. 2025 had the most girls named Millie of any year since the records began in 1880.

Half of all the girls named Millie in the US since 1880 were born between 1924 and 2021, the years shaded on the chart below.

1880Busiest: 3,353 in 20252025
Millie in the US, year by year
YearGirlsRank
20253,353#73
20242,920#87
20232,564#105
20222,197#128
20211,697#173
20201,504#190
20191,317#240
20181,098#304
2017895#353
2016743#434
2015682#469
2014618#507
2013481#592
2012385#721
2011330#812
2010311#861
2009323#861
2008261#1,011
2007151#1,526
2006135#1,590
2005131#1,553
2004145#1,424
2003174#1,217
200291#1,932
200184#2,009
200083#1,994
199959#2,435
199860#2,335
199752#2,478
199634#3,356
199543#2,783
199450#2,498
199344#2,720
199235#3,213
199150#2,478
199045#2,595
198959#2,091
198837#2,798
198743#2,396
198641#2,419
198539#2,483
198440#2,381
198343#2,235
198248#2,115
198159#1,848
198053#1,981
197950#2,020
197865#1,633
197752#1,901
197661#1,619
197576#1,381
197480#1,323
197389#1,200
197268#1,432
1971104#1,125
197096#1,191
1969102#1,095
196878#1,236
196782#1,172
1966110#972
1965142#835
1964151#847
1963162#814
1962153#852
1961153#862
1960156#830
1959198#710
1958185#723
1957189#726
1956205#670
1955180#699
1954187#682
1953189#651
1952189#647
1951226#566
1950184#621
1949213#574
1948242#532
1947247#535
1946221#529
1945221#485
1944221#481
1943226#495
1942230#489
1941224#465
1940232#448
1939242#433
1938216#457
1937205#458
1936250#406
1935274#383
1934274#389
1933300#366
1932293#382
1931296#373
1930257#410
1929273#401
1928303#384
1927333#375
1926375#345
1925370#354
1924388#339
1923406#323
1922458#300
1921491#297
1920478#298
1919505#284
1918506#282
1917574#259
1916524#264
1915521#257
1914401#258
1913336#253
1912293#261
1911216#264
1910247#245
1909219#239
1908177#267
1907207#229
1906213#213
1905193#223
1904181#228
1903189#221
1902185#218
1901196#202
1900229#208
1899192#199
1898197#208
1897204#194
1896213#188
1895181#201
1894185#192
1893198#180
1892193#183
1891192#173
1890204#169
1889174#168
1888213#149
1887168#149
1886170#145
1885152#150
1884144#149
1883155#131
1882122#146
1881124#128
1880105#144

Names like Millie

Names given in the same years and the same naming tradition, with a similar sound.

Evie Lottie Ella Matilda Phoebe Rosie Hallie Ruby Maisie Elsie Daisy Grace

Other spellings of Millie

Milly Milli Millee

Names related to Millie

Mollie Miley Milla Mallie Mili Milia Mielle

More Germanic names

Amelia Liam Henry Charlotte William Archie Charlie Emma Freddie Harry Albie Louie Miles Alice Myles Charles

Every Germanic name

Sources

Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland), Baby names (Northern Ireland Statistics and Research Agency) and Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.

To cite this page: Nameling, “Millie: name meaning, origin and popularity”, https://www.nameling.co.uk/names/millie, updated 20 October 2026.