found some notes on the details included Service Registers of the DMP mentioned above. These cover records from the foundation of the service in 1836 up to 1925 when it was merged with An Garda Síochana. Available on microfilm in the National Archives, and the originals seem to be held in the Record Tower, Dublin Castle.
Warrant Number
Previous Warrant number (if any)
Full Name
Religion - from 1856
Age at time of joining (date of birth from 1880s)
Height
Previous trade or Occupation
County of birth
Native parish - usually civil parish, but sometimes RC
Post Town (of place of birth)
Previous public service - e.g. RIC, LMP, Revenue Police
Name of Sponsor
Divisions served in - with dates of transfer
Dates - joining, promotion etc
Service Pay
Date and reason for Removal - e.g. discharge, pensioned, death..
New warrant number
Notes
Shane