Girl name · Germanic
Millie
“gentle strength”
Vibes
Common nicknames
Short-forms and diminutives parents often use for Millie.
Explore Millie further
Similar-feel alternatives, or middle-name candidates that pair well with Millie — both ranked by the same scoring system (vibe overlap, syllable rhythm, origin compatibility).
About the name
Millie began as a diminutive of Millicent — Germanic amal (work, labour) plus swinth (strength), usually glossed as gentle strength — and also serves Mildred, Amelia and Camilla. It has outlived every one of its parents in English use.
It is enormous in Britain, where it has been top-20 for over a decade, and sits at number 73 in the US. That gap is one of the widest between the two countries for any current girls' name.
It is already a diminutive. Two syllables want two or three (Millie Josephine, Millie Wren). On our vibe map it is Vintage Elegant with a Whimsical lightness.
More Germanic names
Millie sits in our Germanic set — these share its roots.
All Germanic names →Millie — common questions
Is Millie a boy or girl name?
Millie is traditionally a girl name of Germanic origin.
What does the name Millie mean?
Millie means “gentle strength” of Germanic origin. Millie began as a diminutive of Millicent — Germanic amal (work, labour) plus swinth (strength), usually glossed as gentle strength — and also serves Mildred, Amelia and Camilla. It has outlived every one of its parents in English use.
Where does the name Millie come from?
Millie is Germanic in origin. It is enormous in Britain, where it has been top-20 for over a decade, and sits at number 73 in the US. That gap is one of the widest between the two countries for any current girls' name.
What are common nicknames for Millie?
Mils and Mil — the short-forms parents most often use for Millie.
How popular is Millie?
Millie did not make the top 1,000 girls' names in US Social Security Administration data for 2025, which makes it genuinely rare in the US.
Bring the name into the room
A couple of nice things named Millie you might want for the nursery.