I located a photo of Joseph Parkinson "Tug" Thompson, a Canadian catcher who played briefly in the AA in 1882/1884.
He was a member of the Harriston Browns, and I found this great photo of the 1878 on the website for the Wellington, Ontario archives. He formed a battery with Bob Emslie.
https://www.wellington.ca/en/discove...on-browns.aspx