Sophia ranks #239 with 459 entries and sits next to Olivia and Charlotte as part of the top-tier human-name pet borrowing cluster. Sophia held the SSA #1 female baby name spot from 2011 to 2013 and has remained inside the top 10 since, which makes it one of the most directly human-borrowed pet names in the chart.
The Greek-wisdom register
Sophia means "wisdom" in Greek, and the name carries that classical anchor cleanly. Owners who pick Sophia are usually drawn to the elegance and the soft, multi-syllable flow rather than to any specific cultural figure. The Golden Girls (1985-1992) gave the name a comedic anchor for older owners, and Sophia Loren (born 1934) gives the name a glamorous Italian register, but neither dominates pet usage.
One counter-reading: most pet Sophias become Sophies in daily use. The shortening is consistent enough that some owners wonder whether to register Sophie directly. The argument for the long form is the same as for Charlotte and Samantha — the formal name does dignity work that the short form cannot, even when daily life uses the short form.
Breed fit and sound
Three syllables (soh-FEE-uh), middle-stressed, with smooth flowing rhythm. Recall as Sophia is poor outdoors due to length and soft consonants. The name lands across breeds with a slight lean toward refined small companions, cavalier King Charles spaniels, and elegant cats.
Crossover
The human Sophia page shows the SSA top-10 presence. Cross-shoppers also browse Sophie and Olivia. Gender skew is heavily female, and the formal-to-informal split (Sophia on paperwork, Sophie in daily use) makes the registration choice mostly a question of how much ceremony the owner wants.