| 1870 | Rev Francis Clark began celebrating Mass at the Kehoe home at 23 Church Street in Candor |
| 1907 | Permanent altar built in the house then owned by the Kehoe’s daughter (Mrs Bert Mooney) |
| 1917–1925 | Many Polish Catholics purchased farms in and around Candor |
| 1929 | The Kehoe home remained the “Mass house” for nearly 60 years |
| 1929 | Rev Stephen Musielak began celebrating Mass at the home of Mr & Mrs Marcyan Nagel |
| 1930 | A dispute arose as to whether the church should be built in Owego or Candor |
| 1930 | Rev Callistus Szpara (Franciscan priest) started construction of new church in Catatonk |
| 1931 | Bp John Francis O’Hern blessed the new chapel on All Saints’ Day |
| 1931 | Bp gave the church the official name and patronage of St Francis of Assisi |
| 1931 | Bp O’Hern appointed a Polish-born diocesan priest, Fr Ignatius Klejna as pastor |
| 1931 | Fr Klejna lived in Newark Valley and served at St John the Evangelist & St Francis of Assisi |
| 1934 | Fr Klejna died and there was no diocesan Polish priest old enough to be named pastor |
| 1934–1938 | Both St John’s and St Francis came under the pastor of St Patrick Church in Owego |
| 1934–1938 | ArchBp Edward Mooney did send Polish priests as assistants to the pastor |
| 1938 | Bp James E Kearney appointed young priest finishing studies at the University of Cracow |
| 1938 | Bp Kearney appointed Rev Alexander Stec to oversee St Francis & St John |
| 1945 | April 24 Certificate of Incorporation for St Francis of Assisi |
| 1945 | Rev Alexander Stec was officially named pastor |
| 1993 | Rev William Moorby appointed pastor |
| 1993–1995 | New front entrance to church completed, interior painted, new carpeting and altar refinished |
| 1996 | Bp Matthew H Clark rededicated church |
| 2003 | Blessed Trinity Parish formed |
