Looking for Robert W Carr

I am looking for more information on Robert W. Carr born 1851 and died 1895 in Greene County Illinois and married a Mary Cannedy who was born 1852 and died 1920 in Greene Co. Illinois they are both buried in Rives Cemetery in Rockbridge Township Illinois.

I only have that info on Robert W. Carr I hope someone can shed some light on who his parents, siblings were, etc....
thanks for any help
Jean Linhart