2025 popularity • #73
Millie
Millie is a english diminutive name commonly associated with “gentle strength or industrious, depending on the longer form.” It ranked #73 among U.S. girl names in 2025.
What does Millie mean?
Millie is commonly connected with the meaning “gentle strength or industrious, depending on the longer form.” Its roots are described as english diminutive. Name histories often travel across languages and generations, so spelling, pronunciation, and interpretation can differ by family or cultural tradition.
How popular is Millie?
According to Social Security Administration data for babies born in 2025, Millie ranked #73 among U.S. girl names. SSA counts each spelling separately, which means related spellings may hold their own positions rather than being combined into one total.
Popularity source: U.S. Social Security Administration ↗
The feel of Millie
Millie has a full, flowing shape and feels familiar while leaving a little more room for distinction. In a full name, it is substantial enough to carry a short, crisp middle name. Say it with your surname, then test the initials and the version you are most likely to call across the house.
Sibling names that pair with Millie
These are style-and-rhythm suggestions rather than popularity claims. They aim for a family set that feels connected without sounding matched.
Middle names for Millie
Middle-name flow depends on the surname, emphasis, and family meaning. Use these as sound tests, not rules; an honor name with personal history can matter more than perfect syllable balance.