Theo

At a glance

Theo ranks #133 for dogs and #95 for cats. It is almost always a boy's name (98% male). It is most popular with Poodles.

Data updated November 2026 · How we count

How popular is Theo?

#133dog name of 19,856
1 in 489male dogs
876dogs in the records
#95cat name

Girl or boy?

Girls 1%Boys 84%Not recorded 15%

2% girls · 98% boys among 752 dogs with a recorded sex

Theo over the years

Falling
010.320.62013: 5.6, 2014: 7.0, 2015: 10.8, 2016: 15.1, 2017: 11.5, 2018: 13.7, 2019: 16.9, 2020: 15.2, 2021: 17.9, 2022: 16.7, 2023: 13.1, 2024: 11.92013201520172019202120232024

Dogs named Theo per 10,000 dogs born that year, from the sources that record birth year.

Popular with these breeds

Names that sound like Theo

Questions

Is Theo a girl or boy dog name?

It is almost always a boy's name (98% male).

How popular is Theo for dogs?

Theo is the #133 dog name of 19,856 in our data, with 876 dogs in public records. The name is falling.

How do you pronounce Theo?

Theo is said in 2 syllables: The·o. Tap Listen to hear it.

What names sound like Theo?

Tia, Thea and Ty sound similar.

What breeds are often named Theo?

Poodles, Shih Tzus and Labrador Retrievers are the breeds most often called Theo.

More dog names