City council figures show there were 426 registered dogs named Max, nine of which are females.
That made it the second most popular dog name in the city.
The most popular overall dog name was Bella, with 579 registered, making it the most favoured name for female pooches.
The top five female names were Bella, Poppy, Molly, Ruby and Rosie, while the top male names were Max, Charlie, Jack, Toby and Buddy.
Overall, Bella, Max, Poppy, Charlie, Molly, Ruby, Jack, Rosie, Toby and Buddy made up the top 10.
Like Max, some other dogs had names traditionally used for the opposite sex.
Two male dogs were named Daisy, two females had the name Jack, while another two were called Baxter. Miss Fluitsma said Max was a good name because it was short and simple.
Her Max enjoys soft-serve ice cream, walks, and even a trip to the pub on a nice day to sit in the outdoor area.
"She's really loyal and she's nice natured. She's never snapped at anyone in 14 years. She's just lovely."
Top five dog names in Christchurch
- Bella - 579
- Max - 426
- Poppy - 411
- Charlie - 404
- Molly - 395
By Bridget Rutherford