William Cowan (1833-1922) of William Cowan of Edinburgh and W. and B. Cowan
c1833 Born in Glasgow
1841 William Cowan 37, Brass founder master, lived in Cathcart with Jane Cowan 30. William Cowan 8, Benjamin Cowan 5, Agnes Cowan 3, Thomas Cowan 2, Ann Cowan 7 Months[1]
1851 William Cowan 47, Brass Founder Master, 16 Journeymen, 5-12 Apprentices, Lawton Cowan 30, William Cawan 18, Benjamin Cowan 14, Agnes Cowan 13, Anna Cawan 9[2]
1861 William Cowan 28, gas meter maker, lived in Edinburgh with Elizabeth Cowan 26, Laura E Cowan 9 Mo[3]
1871 William Cowan 38, master gas meter maker, lived in Edinburgh with Elizabeth Cowan 36, Laurie E Cowan 10, William H Cowan 8, Eleanor L Cowan 5[4]
1881 Wm Cowan 48, gas meter manufacturer, lived in Edinburgh with Eliz Cowan 46, Wm Cowan 18[5]
1892 As well as many patents on improvements in gas meter, Cowan also patented a remote-controlled governor for gas distribution systems.
1901 William Cowan 68, gas meter manufacturer, widower, lived in Bournemouth, with Eleanor L Cowan 35, William H. Cowan, 38, gas meter manufacturer, Winifred E Cowan 30[6]
1922 Died, of Harrogate[7]