| 1839 | 1st records of a Catholic congregation in Owego |
| 1842 | Charles Pumpelly donates land for church to Rt Rev John Hughes, Bp of New York |
| 1844 | St Patrick received its 1st resident pastor, Rev John Sheridan |
| 1848 | Rev Sheridan purchased the land on which the present church is built for $545.50 |
| 1859 | Rev Byrne built 1st parochial school house at rear of church building |
| 1863 | Church enlarged & new steeple & bell added |
| 1890 | Current church built and dedicated on December 7 |
| 1891 | December 21 Certificate of Incorporation for St Patrick Parish |
| 1909 | Pastor George Burns formed many spiritual organizations, including Holy Name and Sodality for Girls |
| 1930 | New rectory built during Rev Arthur Smith’s pastorate |
| 1931 | Old rectory torn down and shrine to Our Blessed Lady erected in its place |
| 1950 | Rev Michael Hynes presided over formal dedication of new St Patrick’s Parochial School |
| 1965 | 1st Parish Council organized |
| 1967 | New six-classroom addition to school dedicated by Bp of Rochester, Fulton J. Sheen |
| 1968 | 1st broadcasting of Mass over the radio started & continued for 30 years by Jim Raftis |
| 1987 | Pastor hired 1st Pastoral Associate to minister in parish – Sr Ann Louise Henteges |
| 1990 | Church renovated for the seventh time to reflect current theology of the time |
| 1993 | Rededication of
church on August 7 |
| 1998 | Rev William A Moorby appointed 1st Pastor of St Francis, St John, & St Patrick cluster |
| 2003 | Rev William A Moorby appointed Pastor of new Blessed Trinity Parish and St Patrick Parish |
