Millie Pet Name
Millie is a popular pet name, especially for dogs. Find out what Millie means, how popular it is, which pets and breeds commonly have the name, and discover similar names.
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 (Germanic).
The name is associated with classic, human, gentle, which makes it a popular choice for pets.
Millie nicknames
Millie as a human name
Millie is also used as a human name. Ranked #190 for girls in the US (SSA 2023)
Famous pets named Millie
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
2026-09-16