1846 Born in Dublin, son of William Courtney
1863 Entered the Applied Sciences Department of Kings College, London
Indentured for 3 years at Easton, Amos and Anderson
Worked for 3 years on erection of lighthouses, marine engines and bridge work, and as a consulting engineer.
1872 Joined Courtney, Stephens and Bailey of Dublin as a partner
1875 Married Stella Woolley in West Brompton
By 1885 was of 15 Elizabeth Terrace, Upper William Street North, Sydney, New South Wales
1888 Died in Windsor