| 1892 | Rev James Dunn, St Mary’s, Horseheads, celebrated Mass monthly in various homes in the Van Etten, Spencer, Erin area |
| 1892–1904 | Attendance swelled for a while in temporary quarters in a store |
| 1904 | Attendance was so poor that the priest stopped making the trip |
| 1904–1948 | Catholics in the area had to find other places to attend Mass, such as Ithaca, Waverly, Elmira |
| 1948–1953 | Rev James Marvin, St James Church, Waverly, came to catechize Catholic children |
| 1948–1953 | Children went to public school, religious instructions given at the residence of Willard & Katherine Anderson |
| 1953 | Temporary chapel furnished at Sandusky’s Restaurant in Van Etten, Mission of St James |
| 1953 | 1st Van Etten Village Mass offered February 22 by Rev G. S. Hogan, Pastor St James, Waverly |
| 1954 | Auxiliary Bp Casey on May 22, dedicated church, consisting of a cellar, enclosed entrance |
| 1954 | Rev Michael Reder, OFM Cap. Of St Fidelis Friary Interlaken, appointed as administrator |
| 1965 | October 7 Certificate of Incorporation for St Pius X Parish |
| 1966 | Rt Rev Msgr Donald Cleary, Pastor of St Catherine of Siena Church in Ithaca delegated by Bp Kearney, to represent him in a solemn blessing of the new church on October 9 |
| 1969 | Rev Anscar Sullivan appointed |
| 1969 | Rev Bernard Kuchman appointed as pastor |
| 1975 | Rev Robert Downs appointed as pastor |
| 1984 | Rev Gerry Hafner appointed as pastor |
| 1987 | Rev Thomas Watts appointed as pastor |
| 2001 | Dcn Ray Defendorf served as administrator |
| 2003 | Blessed Trinity Parish formed and Rev William A Moorby appointed Pastor |
