My records show William was born on April 15, 1803, Ballintra parish, Donegal and died on Feb 15, 1901, York, Ontario,Canada. He married Ann on March 6, 1838 at Hope, Newcastle District,Ontario. Ann was baptized on June 20th, 1813, Monaghan and was deceased by 1881. Ann was the daughter of James Clark, Aug 8, 1783, parish Currin-1870 who married ( ~1812) Eleanor Fowler, 1798-1850. Wiliam farmed in South Monaghan township( Concession 9, lot 1, W 1/2, reported in 1838) ,Ontario. I am not sure who William's parents. I believe they were: John Griffith, 1765-1846, Ballintra, Donegal who married( Jan 5, 1792,Drumholm) Jane Colvin, 1767,Laghey.
William & Ann has at least one offspring: John Baldwin Griffith, baptized 1841 who married ( Nov 18, 1863, Port Hope, Ontario) Selina Maria Jane Gardner, 1841. They had eight children.