Hello Waughhunter
I'm no expert, but from the 1871 census (FreeCEN) i have found:
Danning, John. Head, Married, M, 30, Ag lab, Birthplace: North Petherwin
Danning, Mary. Wife, Married, F, 24,              Birthplace: Lawhitton, Cornwall.
Piece 2225, Enum district 4, folio 81, P15, Schedule 76.
Baptism from the Parish register (FreeREG):
24th Sept 1871  Thomas Danning. Place: Lawhitton  Church: Saint Michael
Father: John. Occupation: Labourer  Mother: Mary  Abode: Luccombe  
Register entry No.664
Baptism from Cornwall OPC:
5th Feb 1902  James Danning.  Parish circuit: Liskeard
Father: Thomas  Occupation: Soldier   Mother: Emelene
Piece 2225, Enum district 4, Folio 81, P15, Schedule 76.
Marriage from Cornwall OPC:
Groom: John Dunning  Bride: Mary Heard  at Launceston Bible Christian Chapel 31st March 1869.
Seems to be a lot of Thomas Danning's from North Petherwin!
I hope this is of some use.  
