4. Boston Terrier
The Boston Terrier, known as the “American Gentleman,” is one of the most popular breeds. Typically weighing around 20 pounds, these medium-sized dogs are excellent companions. They are normally black, brindle, or seal colored, with white markings. There are many reasons why the Boston Terrier is a perfect dog for a senior. Firstly, the dog requires minimal grooming and is known to be very quiet. As well, it will bring a great deal of happiness and love into the home, as it is known to be an affectionate and cheerful breed.