Sorry to waste your time. I found the Thomas and "Katharine" Templeton family in New York 1880 census where I guess they'd been all the time. Which is why they call the genealogy I practice, a hobby and not a science.
Source Information:
Census Place Greenburgh, Westchester, New York
Family History Library Film 1254945
NA Film Number T9-0945
Page Number 322B
Thomas TEMPLETON Self M Male W 51 SCOTLAND Gardner SCOTLAND SCOTLAND
Katherine TEMPLETON Wife M Female W 52 ISLE OF MAN Keeps House ISLE OF MAN ISLE OF MAN
John H. TEMPLETON Son S Male W 22 NY Laborer SCOTLAND ISLE OF MAN
Agness H. TEMPLETON Dau S Female W 18 NY At Home SCOTLAND ISLE OF MAN
Ella S. TEMPLETON Dau S Female W 14 NY At Home SCOTLAND ISLE OF MAN
Norman C. TEMPLETON Son S Male W 12 NY At School SCOTLAND ISLE OF MAN