I see that Thomas was ch 10 JUN 1827 at Holy Trinity Church in Whitehall, Cumberland, England
Parents were George Greggor and Sarah Bell md 16 Aug 1817 in Gwennap, Cornwall, England
Sarah died in 1833
George remarried Eleanor Killey 6 Apr 1834 German
and had a bunch more children--all outlined on the ManxNotebook as Frances said.

1851 Peel
Duck Street
George GREGGOR head married 58 cooper b Peel
Eleanor wife married 38 b Peel
Thomas son unmarried 23 mariner b Peel
James son unmarried 16 scholar b Peel
Elizabeth daughter 11 scholar b Peel
Eleanor daughter 9 scholar b Peel
Sarah daughter 7 scholar b Peel
Mary daughter 3 b Peel

George was buried in German 3 Apr 1864
Eleanor 26 Dec 1865