George Alexander Moncur was born on April 4, 1861, in Green Turtle Cay, Abaco to James Alexander Moncur (1830-1883) and Virginia Annie Curry.

His siblings included Fletcher (1871), Ulrica (1876), Rosa (1877), Victoria, Menzilla, Blanche, Justina.

In 18??, George married Sarah Romilda Williams (1867-1955) daughter of James Williams and Lucy Bremin.

Their children included George Wilford (1887), James Gratian (1892), William (1894), William R (1896), Gifford Gilbert (1898), Ancel Alexander (1901), Violet (1904), Virginia (1906), Frederick Audley (1910), Howard, Ulrica.

George Alexander Moncur passed away on August 19, 1935 (age 74) in Green Turtle Cay, Abaco.