David Yoolow Stewart (1813-1882) of D. Y. Stewart and Co, Stewart and Bowser and Henry Rossell and Co
1813 Born in Dundee
Inventor of method of casting iron pipes vertically
ca.1851 Birth of son William Black Stewart
1857 Patented improvements in moulding or manufacturing cast iron pipes[1]
1861 Iron Founder employing 123 Men & 14 Boys, living in Glasgow with Susan Stewart 47, Isabella 19, Agnes 17, Georgena 11, Florence 7, Henry 5, Mary Jane 3[2]
1882 Died