Access a transcribed version of Christ Church records:

Records of the Church of Christ at Cambridge in New England, 1632-1830, comprising the ministerial records of baptisms, marriages, deaths, admission to covenant and communion, dismissals and church proceedings; : First Church (Cambridge, Mass.) : Free Download, Borrow, and Streaming : Internet Archive

Original records can be found at Houghton Library:

Collection: Christ Church in Cambridge (Mass.) church records | HOLLIS for