These Sanphys appear on Tithe Applotment books [from
http://titheapplotmentbooks.nationalarchives.ie/ also on ancestry]
Sanphy John Blanchvillestown Blanchvilleskill Kilkenny 1833
Sanphy John Blanchvillestown Blanchvilleskill Kilkenny 1833
Sanphy John Blanchvillestown Blanchvilleskill Kilkenny 1833
Sanphy James Ballyreddin and Bennetsbridge Treadingstown Kilkenny 1828
Sanphy James Bishopslough Tullowheron Kilkenny
Sanphy Richard Bishopslough Tullowheron Kilkenny
Sanphy Richard Ballyreddin Tullowheron Kilkenny
Sanphy James Ballyreddin Tullowheron Kilkenny
Sanphy James Ballyreddin Tullowheron Kilkenny
Sanphy Richard Ballyreddin Tullowheron Kilkenny
I found none in the 1796 flax growers list on ancestry.
Griffiths on ancestry has: [first name occupier, second name lessor]
Michael Sanphy Kilkenny, St. Johns, Gardens/Maudlin Street
James Sanphy Michael Phelan Dunbell, Big, Dunbell, Kilkenny
Michael Sanphy Hannah Brennan Gardens, St John, Kilkenny
Richard Sanphy Representatives Richard Shea Esquire Ballyredding, N, Treadingstown, Kilkenny
Richard Sanphy Representatives Richard Shea Esquire Bennetts-bridge, Treadingstown, Kilkenny
Richard Sanphy Richard Shea Esquire Bishopslough, W, Tullaherin, Kilkenny
Anastasia Sanfey Michael Sanfey Ballynacarrig, Kilpatrick, Wexford
Michael Sanfey Frederick Solly Flood Ballynacarrig, Kilpatrick, Wexford
Mary Bent Michael Sanfey Ballynacarrig, Kilpatrick, Wexford
John Kinsella Michael Sanfey Ballynacarrig, Kilpatrick, Wexford
Unoccupied Michael Sanfey Ballynacarrig, Kilpatrick, Wexford
Quite a few births/baptisms on ancestry in Thomastown, Co Kilkenny in the 1860s.
Josey