St. Luke's Chartiers (left)
Grace (right)
St. James Church, Pittsburgh; Grace Church Mt. Washington; Christ Church, New Brighton; and St. Luke's Church, Chartier's Creek were among the parishes admitted to union with the diocese.
| 1850 | 1852 | 1853 | 1854 |
| 1855 | 1858 | 1859 | 1860 |
| 1861 | 1862 | 1863 |
| Timeline | Creation | Wilderness | Margins | Struggles | Victory |


