Michael Shannuck of Ballycatoo, Ballintemple is listed in the Griffith’s Valuation of Ireland, Ballintemple (Churchtown South), East County Cork:

Griffiths Valuation Record Information:

Tenant
Family Name 1 SHANNUCK
Forename 1 MICHAEL
Landlord
Family Name 2 TENT
Forename 2 JOSEPH P.
Location
County CORK
Barony IMOKILLY
Union MIDDLETON
Parish BALLINTEMPLE
Townland BALLYCATOO
Place Type TOWNLAND
Publication Details
Position on Page 20
Printing Date 1853
Act 15&16
Sheet Number 89
Map Reference 1

He may have had a brother David Shannuck who lived in Ballyandreen, Ballintemple, East County Cork during Griffith’s Valuation:

Here is the Griffiths Valuation Record Information for David Shannuck:

Tenant
Family Name 1 SHANNUCK
Forename 1 DAVID
Landlord
Family Name 2 LONGFIELD
Forename 2 MOUNTIFORT
Location
County CORK
Barony IMOKILLY
Union MIDDLETON
Parish BALLINTEMPLE
Townland BALLYANDREEN
Place Type TOWNLAND
Publication Details
Position on Page 13
Printing Date 1853
Act 15&16
Sheet Number 89
Map Reference 3