1634      First Catholics of the colonies arrived in Maryland

1700’s    Maryland Catholics migrated to Delaware

1742      Mass celebrated in the Mt. Cuba area

1785      Log cabin erected at Coffee Run and named St. Mary of the Assumption

1804      Mass celebrated for the first time in New Castle

1807      Wooden chapel built, followed by the construction of a brick church

1870      Construction began on a new church building

1876      St. Peter Church dedicated

1880’s Organ was installed

1896      Belfry added to church

1906      Elementary school opened staffed by the Sisters of St. Francis of Philadelphia

1911      Staircase and entrance to church dedicated

1920      Grade school expanded to accommodate 9th and 10th grades

1931       High school expanded to become a four year school

1951       New high school building opened

1950’s   Gym constructed

1960      New grade school building and convent constructed

1970      St. Peter High School closed

1980      Cemetery expanded

1994      Sisters of St. Francis of Philadelphia withdrew from grade school

1996      Restoration 2000 Project began to make extensive repairs to parish buildings

             Sisters of St. Francis relocated retired sisters from St. Peter convent to other locales. .
1998      Convent renovated for Parish Pastoral Center

              Father Arthur B. Fiore becomes pastor

1999      Pastoral Center dedicated

2008     July church stairs renovation begins

2009     February – Church stairs are blessed by Bishop W. Francis Malooly
             July – Father John P. Klevence became pastor of Saint Peter the Apostle

2012      Father Steven B. Giuliano became pastor of Saint Peter the Apostle

2016      Father Timothy Nolan became pastor of Saint Peter the Apostle and Holy Spirit

St Peter’s and Holy Spirit became sister parishes

2022     St Peter’s Organ Restoration