Blaise is a French form of a Latin name with disputed etymology: possibly "firebrand," possibly related to stammering. What's not disputed is the sound: one syllable, breathy opening, soft close. It sits between masculine and sophisticated in a way that appeals to owners who want something unusual without being eccentric.
The Intellectual Dimension
Blaise Pascal, the seventeenth-century mathematician and philosopher, gives the name a cerebral quality. Owners who choose it for a pet are often drawn to that register: a name that implies the dog thinks before it acts. The human crossover works through Blaise on the baby side.
Breed Fit and Sound
One-syllable names with soft endings recall well without sounding harsh. Blaise suits Whippets, Greyhounds, and elegant athletic breeds generally.
The Counter-Reading: Indistinguishable From Blaze
Blaise and Blaze are phonetically identical in most American accents. The French spelling distinguishes them on paper but not in the dog park. Owners who choose the French spelling are mostly signaling aesthetic intentionality rather than creating a meaningfully distinct name.