Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 144,279 pages of information and 230,174 images on early companies, their products and the people who designed and built them.
c1822 Born at Dunbarton the son of Daniel McAusland
Partner in Tulloch and Denny
1861 Living at Strath Cottage, Dunbarton (age 39 born Dunbarton), Engineer employing 408 men. With wife Christian (age 41). Also his nephew John Spence, (age 29 born Dunbarton), a Naval Draughtsman. Two servants. 
1891 Living at Kirktonhill Rockville, Dunbarton (age 69 born Dunbarton), Retired Marine Engine Maker. With wife Christina (age 71). Also nieces Agnes Morrison (age 47) and Christina Brown (age 34). Two servants. 
1901 Living at Kirktonhill, Dunbarton (age 79 born Dunbarton), Retired Engineer. With wife Christian (age 81) and neices Agnes Morrison (age 57) and Christian D. Brown (age 44)). Four servants.