He may be a grandson of Thomas Courtney a lighthouse keeper of the Concord Lighthouse of Havre de Grace. There was also a Capt. Thomas Courtney of the War of 1812 in Baltimore.

CENSUS: 1850
Thomas Courtney 49
Merald Courtney 43
Sula A Courtney 18
John Courtney 15
William Courtney 13
Benjamin Courtney 11
George Courtney 7
1850; Census Place: District 2, Harford, Maryland; Roll: M432_294; Page: 171B; Image: 349

Henry M Cole 42
Charlotte Cole 45
John H Cole 14
Gover H Cole 9
James F Cole 4
Jessee Cole 35
George Courtney 18
Ann Buchanan 13
1860; Census Place: Halls Cross Roads, Harford, Maryland; Roll: M653_476; Page: 202; Family History Library Film: 803476

Thos Courtney 60
Mahala Courtney 56
John Courtney 24
Wm Courtney 22
Julia A Courtney 20
Benjamin Courtney 19
George Courtney 17
1860; Census Place: Halls Cross Roads, Harford, Maryland; Roll: M653_476; Page: 252; Family History Library Film: 803476

William Fletcher 55
Matilda Fletcher 42
George A Courtney 15
1860; Census Place: Halls Cross Roads, Harford, Maryland; Roll: M653_476; Page: 226; Family History Library Film: 803476

George Courtney 39 born MD parents born MD
Hannah Courtney 28 born MD
Maud Courtney 1 6/12 born MD
1880; Census Place: Halls Cross Roads, Harford, Maryland; Roll T9_511; Family History Film: 1254511; Page: 73.3000; Enumeration District: 37; Image: 0067.

George Courtney 58 born MD Apr 1842 m 25y
Hannah Courtney 40 born Mar 1860 m 25y 3 ch 1 living
Maud Courtney 19 born Nov 1880 single born MD
1900; Census Place: Halls Crossroads, Harford, Maryland; Roll T623_623; Page: 3A; Enumeration District: 144.

DEATH: George Courtney died Cull Harford Co 9-2-1907 age 66y 4m 16d male white Harford Co merchant died at Cull, married wife Hannah C. Courtney, father Thos. Courtney born Harford Co, mother Mahala Courtney born Harford Co, Info. Hannah Courtney wife, cancer of stomach exhaustion by Dr. Chas H. Krieth of Aberdeen MD

OBIT: George Courtney died Aug 31 1907 Michaelsville age 66 Aegis Sep 1907