William Graham McCreath was born on 30 April 1866 in Nebraska.
He married Jessie Robertson in Webster, Nebraska on 1 February 1894. Initially they lived in Ridgely, Dodge, Nebraska, after which they moved to California. In 1920, William was a labourer in a cement factory in Napa. By 1930 he was a Fruit Farmer in his own account. His sons, Clarence and Wallace were wage earners on the farm. In retirement, he was a self-employed gardener.
William and Jessie had six children:
Hugh McCreath 1898- 1988
Hannah McCreath 1900-1985
Clarence McCreath 1902-1962
Elizabeth McCreath 1904 –
Edwin A McCreath 1906-1992
Wallace McCreath 1911-
William died on 10 November 1949. Jessie some two years later.