I found the following Frith christenings in the IGI in Wales, Yorkshire. All have the father listed as George Frith
ALICE FRITH - c 25 OCT 1742
WILLIAM FRITH - c 06 APR 1766
THOMAS FRITH - c 03 NOV 1748
MARY FRITH - c 11 MAR 1743
ELIZABETH FRITH - c 14 SEP 1746
'My' George (b 2 Oct 1760, Wales, Yorkshire) isn't listed here, but the data on George came from a family member who has researched this fairly deeply. So, it would appear thay my George and your Thomas are probably brothers.
Hi Cousin
