Geary was born in Dean's Yard, Westminster, London, on 31 August 1797.
[1] In 1817 he joined the Royal Academy architecture schools.
[2] He exhibited drawings and models at the Royal Academy on six occasions.
Geary's grave in Highgate Cemetery (west side), is located to the east of the main path between Comforts Corner and the Egyptian Avenue.
The small headstone is a Grade II listed object.