The series is divided into six subseries as follows:
P90/1/A: Composite Registers and Registers of Baptism
P90/1/B: Registers of Marriages
P90/1/C: Registers of Burials
P90/1/D: Registers of Services
P90/1/E: Register of Confirmations
P90/1/F: Registers of Services
P90/1/G: Miscellaneous