Hello, ive just read your post. i am also looking for info on william and catherine. my line is from william 1837 the son of will and cath. i gather your line is from mary and william price. i have my family tree on ancestry have a look for it... the masons made the move to liverpool in the 1900's

william mason 1805
catherine mason 1803

margaret
jane 1826

mary
elenor 1831

david 1833
william 1837 and then thomas in 1839..

if this looks the same as yours call me on 07512 060425.