Trixie ranks at #176 with 585 entries, and the name has been working steadily as a small-female-pet name for almost a century. It is one of those names that almost never appears on a baby chart but holds a permanent slot in pet naming, year after year, generation after generation.
The dedicated-pet-name category
Trixie sits with Missy, Buttercup, and Mitzi in the small but recognizable category of names that function almost exclusively as pet names. The -ie diminutive ending, the upbeat sound, and the slightly cartoon-coded register all point the name straight at small dogs and cats. Owners rarely use Trixie for a Great Dane.
One counter-reading: Trixie Belden, the girl-detective book series that ran from 1948 through the 1980s, gave the name a wholesome literary anchor for a generation of readers. Trixie also shows up in Speed Racer and Toy Story 3 (the dinosaur). None of these is dominant — the diminutive sound carries the name on its own — but they thicken the cultural texture for owners who notice.
Where the name lands
Yorkies, Chihuahuas, mini Poodles, and small mixed breeds carry Trixie at well above the average rate. Cats use the name too but at lower rates than for adjacent names like Kitty or Luna. The name almost never appears on the SSA chart in a meaningful way, which reinforces the dedicated-pet-name pattern and keeps Trixie working as a clean signal for small-female-pet ownership. The two-syllable shape with the rising-falling stress (TRIK-see) recalls cleanly and reads as energetic without being shrill, which is part of why Yorkie and Chihuahua owners gravitate to it.