My Baker relatives lived in Seneca, Haldimand County, Ontario, from at least 1861 to 1866. The first child was born earlier than that, somewhere in Canada in 1853, but I haven't confirmed that it was in Seneca. I'm not sure why I never browsed these images before but, since the only towns listed under Haldimand are Caledonia, Cayuga, and Dunnville, I wasn't sure if I'd find anything.
I started with Caledonia and saw that one of the record collections for St. Patrick Parish fit the time period for my Bakers: "Baptisms, marriages, burials 1857-1898." On the fourth image, I found a match. Fantastic! Thomas Baker was the brother of my 2nd great-grandmother, Mary Baker. It confirms their parents' names (although I have Arthur instead of Arthurs), and it points me to another possible relative, Mary Arthurs.
|Baptismal Record for Thomas Baker, 1857|
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This is the only family member I could find in any of the towns listed under Haldimand, but I'll take it. Thank you, Lorine!