Millie

Girl name

Millie ranks #57 out of 54,454 dog names in our data (the #1 name is Bella). Across all 12 places, 1,148 licensed dogs carry the name. It's also a cat name: #81 for cats.

Millie's popularity trend

Millie's share of Allegheny County's licensed dogs, year by year — the place with the fullest records for this name. Share (its per-100k slice of that year's dogs) is the only figure comparable across years, since each year's counted population differs. Peak year by share: 2025.

View as table

Year	Share
2025	0.31%
2024	0.28%
2023	0.26%
2022	0.22%
2021	0.21%
2020	0.16%
2019	0.14%
2018	0.13%
2017	0.11%
2016	0.11%
2015	0.1%
2014	0.1%
2013	0.11%
2012	0.1%
2011	0.1%
2010	0.1%
2009	0.098%
2008	0.1%
2007	0.098%

Licensed dogs in our data

1,148

across 12 places

Popularity rank

#57

of 54,454 names in our data

5-year rank move

+61

2020 → 2025

Gender split

99% girls

99% girls1% boys

Where Millie shows up

Millie's share of each place's counted dogs. Places count differently — hover a Share figure for the basis. Click a heading to sort.


BurnsideAustralia	0.8%
TorontoCanada	0.7%
AdelaideAustralia	0.6%
Port Adelaide EnfieldAustralia	0.5%
PlayfordAustralia	0.4%
WorcesterUnited States of America	0.3%
Allegheny CountyUnited States of America	0.3%
CambridgeUnited States of America	0.3%
SeattleUnited States of America	0.3%
New York CityUnited States of America	0.1%
ZürichSwitzerland	0.0%
Basel-StadtSwitzerland	0.0%

Names like Millie

Mila Milly Miley Milli Mildred Mili Milka Milla Milu Millicent Mille Millee

Millie appears on

Cute Girl Dog Names