| April 6, 1956 | Groundbreaking for Holy Family Parish in Peoria, Illinois |
| June 1956 | Bishop Cousins appoints Father Walter Buche as Pastor of the new parish |
| July 15, 1956 | First Mass celebrated as a parish community in the chapel located in the school building |
| September 10, 1956 | Holy Family Parish School begins its first school year, staffed by three Benedictine Sisters and three lay teachers |
| Spring 1957 | construction of Rectory completed |
| Fall 1959 | Construction of Cafeteria and additional classrooms completed |
| May 1961 | Benedictine Sisters move into new convent on Wagner Lane |
| March 25, 1973 | Groundbreaking for church building |
| December 24, 1973 | First Mass celebrated in the church |
| April 28, 1974 | Mass of Dedication for Holy Family Church |
| June 12–13, 1981 | First annual Heritage Days Festival marks twenty–fifth anniversary of the parish |
| October 4, 1982 | Dedication of new organ for church |
| Fall 1988 | Renovation of Sanctuary and new carpeting in church |
| April 19, 1991 | Dedication of the Holy Family Memory Garden |
| October 4, 1998 | Opening of the Bread of Life Eucharistic Adoration Chapel |
| July 14–16, 2006 | Holy Family celebrates its fiftieth anniversary |
| November 12, 2006 | Rectory/Friary destroyed by fire |
| Summer 2007 | Construction begins on new friary residence and office complex |
| Spring 2008 | New friary residence and parish offices completed |
| October 2008 | Parish celebrates 10th anniversary of Eucharistic Adoration Chapel |
| October 2009 | Parish to celebrate 30th anniversary of the Conventual Franciscans arriving at Holy Family |