All 12 men appear to be high ranking elders in the RLDS Church.   Most of the names can be found on attendance rosters of RLDS conferences in the 1880's and 1890's.   This is how they appear on the document:
1. Gomer T. Griffith   front center
2. James Kelley   to the right hand front
3. Butterworth
4. Frank Curtis
5. Peter Anderson
6. Arthur Gillian
7. John Rushton rear center
8. F.M Sheehy rear to the left hand
9. Rob Russell
10. Wm. Ayler
11. Paul Hansen
12. U. W. Green"