What is Millie short for?

Millie is short for Amelia, Emily, Emilia, Emelia, Millicent and Mildred. In 2025, 3,353 girls in the United States were given Millie as their full name, with nothing longer behind it, according to Social Security records.

The names behind Millie

Each count is the number of children given that name in the United States in 2025, from US Social Security records. A name given to fewer than five children in a year is left out of the published file.

Amelia Germanic origin

Millie from Amelia: the warm favorite.

12,699 girls and 6 boys named Amelia in 2025

All 3 short forms of Amelia →

Emily Latin origin

Millie from Emily: the warm favorite.

5,451 girls and 10 boys named Emily in 2025

All 3 short forms of Emily →

Emilia Latin origin

Millie from Emilia: the warm favorite.

4,677 girls and 5 boys named Emilia in 2025

All 3 short forms of Emilia →