I found the following births/baptisms in the Drouin Collection at Ancestry:
Acton Vale (Protestant)
Peter, son of James Dunsmore of Acton Vale, Province of Quebec, agent of the Canadian Cooper and Sulphur Company, and Clara Ellen Townsend, his wife, was born February the twenty second, Anno Domini, eighteen hundred and eighty and baptized December the fourth, Anno Domini, eighteen hundred and eighty three.
Thomas Townsend, son of James Dunsmore of Acton Vale, Province of Quebec, agent of the Canadian Cooper and Sulphur Company, and Clara Ellen Townsend, his wife, was born June the twenty fifth, Anno Domini, eighteen hundred and eighty one and baptized December the fourth, Anno Domini, eighteen hundred and eighty three.
William Garnet, son of James Dunsmore of Acton Vale, Province of Quebec, agent of the Canadian Cooper and Sulphur Company, and Clara Ellen Townsend, his wife, was born May the eighteenth, Anno Domini, eighteen hundred and eighty four and was baptised January the twentieth the following year.
Sherbrooke (Church of England)
Mary Elizabeth, daughter of James Dunsmore of Sherbrooke, and Clara Ellen, his wife, was born on the second day of December eighteen hundred and eighty six and was baptized on this third day of August following.
Margaret Clara, daughter of James Dunsmore of Sherbrooke and Clara Townsend, his wife, was born on the sixteenth day of January eighteen hundred and eighty nine and was baptized on this first day of May next following.
Clarence Charles, son of James Dunsmore, Foreman at the Palon(?) Mill, Sherbrooke, Q, and of Clara Townsend, his wife, born on the seventeenth day of March eighteen hundred and ninety one, was baptized on this fourth day of October next following.
Clara Townsend, daughter of James Dunsmore, of the Palon(?) Mill, Sherbrooke, Q, and of Clara Ellen, his wife, born on the thirtieth day of November eighteen hundred and ninety three, was baptized on this eighteenth day of March eighteen hundred and ninety four.
There is a birth at ScotlandsPeople that was registered in Cambuslang, Glasgow in 1881 for Thomas Townsend Dunsmore. I didn't view the image.
Jacquie