We've had three Boston Terriers since we've been married.  They are the American Gentleman and are a  non-sporting breed.
Where does the name come from.?  
They originated when Robert Hooper of Boston purchased a dog named Judge that was a mix of Bull and Terrier lineage.
There are a lot of different terriers types in dogs
times. The average life span of a Boston is around 11 to 13 years, though some can live well into their teens.
The American Kennel Club ranked the Boston Terrier as the 21st most popular breed in 2016.
History.
The Boston terrier breed originated around 1870, when Robert C. Hooper of Boston, purchased from Edward Burnett a dog named Judge (known later as Hooper's Judge), which was of a Bull and Terrier type lineage. Hooper's Judge is either directly related to the original Bull
Old English Bulldog giving rise to the Boston Terrier and Bull Terrier.
Breed history.
Small bred working terriers have existed in Great Britain since at least the late 18th century. These dogs have always been quite variable in terms of size and shape, with dogs ranging in size from 10 to 15 inches, and with both drop ears and prick ears, smooth, broken, and rough coats.(Burns, 2005)
With the rise of dog shows in the 1860s, breed fancy enthusiasts raced to name and "improve"