Millie

Strong fighter
United Kingdom origin · Girl name
1% boys99% girls
#73US 2025
3.4kBirths / yr
Rising
39.6kAll-time births
📅 Since 1880🏆 2 years in top 1000.13% of births at peak
How to pronounce Millie
MIL·ee
/ˈmɪl.iː/ · stress on MIL · 2 syllables
Strong fighter
United Kingdom origin · Girl name

What does Millie mean and where does it come from?

Millie is often a diminutive form of names like Millicent or Camilla. The name has become independent of its origins and is popular in its own right as a standalone name. The usage of Millie in English-speaking countries surged in the 19th century and has remained a favorite into the 21st century, p

Cultural significance
Millie has been a cherished name across cultures, particularly in United Kingdom-speaking communities, where it reflects values of strong fighter.
Peak popularity
Reached #73 in 2025 — currently #73 in the US.
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Related Reading
United Kingdom-origin baby names with timeless appeal
Browse names →

How else can you spell Millie?

Same sound, different look — useful if you want something slightly more distinctive

What middle names flow best with Millie?

Millie works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful

Millie Leah
One syllable · timeless choice
Millie Quinn
One syllable · timeless choice
Millie Blair
One syllable · on the rise
Millie Ruth
One syllable · timeless choice
Millie Wren
One syllable · vintage charm
Millie Faith
One syllable · vintage charm
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Middle Names
The best middle names for Millie
Browse ideas →

How popular is Millie right now?

Rising — up 14 spots — currently #73 in the US out of 135.5k tracked names

US Trend 18802025#73 · Top 0.05%
1975
1980
1985
1990
1995
2000
2005
2010
2015
2020
2021
2022
2023
2024
2025
YearUS RankBirthsvs Prior Year
2025#733,353▲ up 14 · +15% births
2024#872,920▲ up 17 · +14% births
2023#1042,562▲ up 24 · +17% births
2022#1282,195▲ up 46 · +29% births
2021#1741,695▲ up 16 · +13% births
2020#1901,494▲ up 280 · +120% births
2015#470679▲ up 391 · +118% births
2010#861311▲ up 701 · +139% births
2005#1562130▲ up 435 · +57% births
2000#199783▲ up 847 · +98% births
1995#284442▼ down 244 · -7% births
1990#260045▼ down 118 · +15% births
1985#248239▼ down 500 · -26% births
1980#198253▼ down 601 · -30% births
1975#138176

The story of Millie

Millie has been a beloved American name for over 144 years, first appearing in Social Security records in 1880. A total of 33,332 babies have received this name. The name has grown more popular over time, rising from #145 in 1880 to #104 in 2023. Millie is used for both genders: 99% female and 1% male.

Names that peaked alongside Millie in 2025:

Millie by decade

Millie peaked in the 2020s. See all 2020s names →

DecadeBirths
1880s1,527
1890s1,959
1900s1,995
1910s4,190
1920s3,979
1930s2,633
1940s2,282
1950s1,932
1960s1,288
1970s740
1980s462
1990s467
2000s1,564
2010s6,820
2020s7,767

What are good nicknames for Millie?

Common
MilMiIllie

Common questions about the name Millie

What does the name Millie mean?
Millie means "Strong fighter" — a name rooted in United Kingdom tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.
How popular is the name Millie?
Millie is currently ranked #104 in the United States as a baby name in the US and is rapidly gaining popularity — searches for Millie have increased significantly in recent years.
What is the cultural origin of Millie?
Millie originates from United Kingdom tradition. United Kingdom names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.
How do you pronounce the name Millie?
Millie is a two-syllable name pronounced MIL-ee. The pronunciation is straightforward for English speakers, and the name reads clearly on paper — an important practical consideration for parents.
Is Millie trending right now?
Millie is currently on the rise — it has gained significant momentum in recent years as parents discover its appeal.