William /Catherines children
Edmund 26th july 1761 St Chad ....abode Redlum
John 27th may 1764 St Chad ...abode Redlum
Catherine 7th july 1765 St Chad abode Redlum
Elizabeth 20th july 1766 St Chad ...abode Redlum
James 22nd nov 1767 St Chad ...abode Stidslack
so....first born EDMUND ...probably named after grandad Edmund Chadwick

....supposition , but it looks likely
allan