Millie

Pronunciation: [ m-IHL-ee ]

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Girl Name #86 Most Popular Rising 2 Syllables 6 Letters

Victorian sweetness rediscovered for the modern age

English American Australian

Reviewed by the NamingEverything Editorial Team · Updated

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Meaning & Origin

"strength, work"
Origin: Old Germanic (diminutive of Millicent)
Language: English
"gentle strength"
Origin: Latin (Amelia variant)
Language: English
"gentle strength; industrious"
Origin: Old German via English
Language: English
"hardworking; labor strength"
Origin: Latin
Language: Latin

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The Story of Millie

Millie is a diminutive of both Millicent (from Old German 'Amalaswinth,' meaning gentle strength) and Mildred (Old English, meaning gentle strength). It has existed as a standalone name since the Victorian era, when diminutive -ie endings were fashionable for girls. Today it's used both as an independent name and as a nickname.

Millie has been surging in both the UK and US since 2010, driven partly by the enormous success of Millie Bobby Brown in Stranger Things (from 2016 onward). In England it re-entered the top 10 girl names, reflecting its wider cultural resonance as a sweet, timeless-yet-modern choice.

In Australian and British culture, Millie has long been a beloved informal name — friendly, warm, and unpretentious. The name carries a vintage Edwardian charm while sounding perfectly contemporary. Its accessibility across social classes and cultures makes it universally appealing.

Historical Record

Millie first appeared in US Social Security records in 1950.

Over 24,196 babies have been named Millie in the United States since SSA records began.

Today, Millie is rising quickly in popularity , currently ranked #86 for girl names in the US .

Fun Facts

  • Millie Bobby Brown, who plays Eleven in Stranger Things, became a UNICEF Goodwill Ambassador at age 14 — the youngest ever
  • In the Victorian era, Millie was among the top 20 names in England
  • Millie is a diminutive of both Millicent and Mildred, both meaning 'gentle strength' — despite its soft sound, it carries powerful meaning

Millie in Other Languages

French Millie
German Milli
Italian Milli
Spanish Mili
Japanese ミリー

Popularity Over Time

#86
Current Rank
Rising
Trend
Rising Fast Based on SSA data 1880–present

Famous People Named Millie

M

Millie Bobby Brown

Actor

2004

British actress and UNICEF Goodwill Ambassador, known globally for playing Eleven in Netflix's Stranger Things

M

Millie Jackson

Musician

1944

American soul and R&B singer known for her powerful voice and frank lyrics on albums like Caught Up

M

Millicent 'Millie' Fawcett

Activist

1847

Pioneer British suffragist who led the constitutional campaign for women's voting rights in the United Kingdom

M

Millie (Millie and Tillie) Fictional

Other

A beloved character in classic British children's literature, representing the warm, cheerful archetype of the Millie na...

A beloved character in classic British children's literature, representing the warm, cheerful archetype of the Millie name

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Quick Facts

Gender
Girl
Syllables
2
Popularity Rank
#86
Total SSA Count
2,910
Cultural Origins
English American Australian
Pronunciation
Easy
Formality
Casual
Cross-Cultural Ease
High

Alternative Spellings

Popular in These States

Top states by rank · 2024

Common Nicknames

Mills

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Middle Names

Middle Names for Millie

7 name pairings with syllable flow tips

Sibling Names

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Also a Boy Name

Millie is also used as a boy name, ranked #28344.

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Frequently Asked Questions About Millie

What does the name Millie mean?
"strength, work" (from Old Germanic (diminutive of Millicent)). "gentle strength" (from Latin (Amelia variant)). "gentle strength; industrious" (from Old German via English). "hardworking; labor strength" (from Latin). Millie is a diminutive of both Millicent (from Old German 'Amalaswinth,' meaning gentle strength) and Mildred (Old English, meaning gentle strength). It has existed as a standalone name since the Victorian era, when diminutive -ie endings were fashionable for girls. Today it's used both as an independent name and as a nickname.
What is the origin of the name Millie?
Millie has Old Germanic (diminutive of Millicent), Latin (Amelia variant), Old German via English, Latin, English, American, and Australian origins. In Old Germanic (diminutive of Millicent), it means "strength, work". In Latin (Amelia variant), it means "gentle strength". In Old German via English, it means "gentle strength; industrious". In Latin, it means "hardworking; labor strength".
Is Millie a boy or girl name?
Millie is used as both a girl and boy name. As a girl name, it is ranked #86. As a boy name, it is ranked #28344. Millie is more commonly used as a girl name.
How do you pronounce Millie?
Millie is pronounced m-IHL-ee.
How popular is the name Millie?
Millie is currently ranked #86 in popularity for girl names in the United States.
What are common nicknames for Millie?
Common nicknames for Millie include Mills.
What are good middle names for Millie?
Popular middle name pairings include Millie Rose, Millie Grace, Millie Jane, Millie Mae, Millie Faye, Millie Bea, and Millie Anne.
What are good sibling names for Millie?
Names that pair well with Millie as siblings include Daisy, Dolly, Maggie, Freddie, Archie, Bertie, and Elsie.
How many syllables does Millie have?
Millie has 2 syllables, making it easy to say and remember.
Is Millie a common or rare name?
Millie is a very popular name, ranked #86 among girl names in the United States.
What girl names are similar to Millie?
Millie pairs well with Audrey, Adelaide, Savannah, Wrenley in style and sound.
Are there other spellings for Millie?
Related spellings include Miller, Millicent, Milly, Milliana.

About the Name Millie

Millie is a girl name with English, American, and Australian origins . The name means "strength, work" in Old Germanic (diminutive of Millicent) .

Is Millie a boy or girl name? Millie is used as both a girl and boy name. As a girl name, it ranks #86 in popularity. As a boy name, it ranks #28,344. Millie is more commonly used as a girl name.

Millie is currently ranked #86 in popularity for girl names in the United States.

The name Millie has 2 syllables and is pronounced m-IHL-ee, making it easy to pronounce and remember.

Common nicknames for Millie include Mills. These shorter forms provide casual alternatives while keeping the elegance of the full name.

Alternative spellings of Millie include Miller, Millicent, Milly, Milliana, Milla . Each spelling variation gives the name a slightly different character while preserving its sound and meaning.

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