| 1871 |
Starts with mass being offered in homes |
| 1880 |
School house bought and refurnished as the Church of St. Mary of the Rosary, A mission of Palmer, and later Kimeo |
| 1890 |
Present Church built and name changed to Sacred Heart Church |
| 1904 |
First resident Pastor |
| 1914 |
Addition to Church is built, Palmer mission is removed |
| 1927 |
Coon Creek Church is dismantled |
| 1971 |
Mission Church of Hanover |
| 1972 |
Parish with a resident Pastor covered Missions of Washington and Morrowville |
| 1975 |
Mission Church of Washington |
| 1982 |
Mission Church of Hanover |
| Early 1990's |
Joined Washington and Morrowville with teachers and students for religious education classes at Washington |
| 2002 |
Became part of the Catholic Community of Washington County |
| 2002 |
Placed under the Pastor Care of Fr. Jim Hoover, Pastor, and Sister Marilyn Wall, Pastor Associate |
| 2009 |
Placed under the pastoral care of Fr. David Metz |
