1) English boy name 2) Type of horse 
A garron or garran is a type of horse or pony. The term occurs in Scotland and in Ireland, and generally refers to an undersized beast. In Scotland a Garron is one of the types of Highland pony. It is the larger, heavier type bred on the mainland. The isles` type of Highland pony is generally smaller and slightly finer, but still within the breed....
• (n.) Same as Garran.
Gar'ron noun Same as Garran . [ Scot.]