1861 census Edwardsburgh Grenville
Daley, farmer, 52
There are no family separations on this census so either living with them or next door is:
Ellis, blacksmith, 28
Ann, 24, b Ireland
All born Upper Canada unless otherwise given.
A Daily Selleck is buried Johnston/Common Cemetery Edwardsburgh Grenville. Reference: L&G 83 4 1
There is also a Daily buried Maynard [old section] Augusta Grenville
Also a Jane Selleck bured Maynard Augusta Grenville.http://ocfa.islandnet.com//
If you contact the cemetery they can give you more information.
I do not see any of your Sellecks on 1871 or 1881 census.