1781 William Plenty and his wife Jane had a son William in Southampton[1]
1783 William Plenty and his wife Jane had a daughter, Jane, born in Southampton[2]
1786 Birth of son James at South Stoneham, Hampshire but he died the following year[3]
c.1800 W. Plenty of Newbury made ploughs, including some similar in style to the "Norfolk" plough[4]
1805 Won a prize for ploughs offered by the Earl of Bridgewater at Ashridge
1809 William and Ann Plenty had a daughter, Mary Ann Plenty, in Southampton[5] But is this the same William?
1811 Birth of Son James
1815 Under his patent, William fitted a wheel behind the plough
1818 Birth of son Edward Pellew Plenty
1820 Produced the improved or "Flemish" plough
1824 produced the winning design of lifeboat for the Duke of Northumberland’s prize.
1832 Died in Newbury[6]