Robert Ervin of Phila., Pa

Looking for any information on 2x great grandfather Robert Ervin. Born abt 1840, died 15 Oct 1885 from fixing a ruptured gas line. Married Agnes Taylor 28 Dec 1861.
Agnes was 18 yoa and Robert was 23 at time of marriage Record states they were married by Rev. Thomas Brainard of the Presbyterian Church located at 634 Pine St., Phila., Pa. (R.D.E. 2016)

i know this is a longshot, hardly anyone visits this site anymore but you never know.

Thanks in advance, Robert David Ervin 4-Aug 2018