Martha Doreen Harkness
Died =>25 July 1981
Force => Royal Ulster Constabulary
Rank =>Constable
Age =>22
Cause =>Homicide - Vehicle
Duty Status =>On Duty
While with other officers operating a vehicle checkpoint in the early hours near Magherafelt, Co. Londonderry she was struck and fatally injured by one of two vehicles which failed to stop at the checkpoint.