Millie Pet Name
Millie is a popular dogs name, meaning "Gentle strength, industrious" and originating from Germanic, most often given to female pets, with a classic, human, strong style, ranked #53 among dog names and ranked #78 among cat names, across 2,164 pet records in our database.
Millie at a glance
How popular is Millie as a pet name?
Millie is one of the more commonly used pet name in our database.
#53
Dog Name
#78
Cat Name
2,164
Pet Records
Millie pet name popularity over time
Is Millie a boy or girl pet name?
Based on the pet records in our database:
Millie is more commonly used for female pets, but it may also be used for both.
Is Millie more popular for dogs or cats?
Which dog breeds are commonly named Millie?
Based on the available breed data, Millie appears among:
What does the name Millie mean?
Millie means "Gentle strength, industrious" and comes from Germanic.
The name is associated with classic, human, strong, which makes it a popular choice for pets.
Millie nicknames
Millie as a human name
Millie is also used as a human name. Ranked #37 for girls in the US (SSA 2022)
Name insights for Millie
Where does our pet-name data come from?
PetNamesGenerator's popularity information is based on publicly available pet datasets and other documented sources.
Data coverage
2005 — 2026
Pet records analyzed
2,164
Last updated
2026-09-18
Looking for more names like Millie?
Use our pet name generator to discover more dog names for female pets with similar vibes.
Generate More Names