NZ Births, Deaths & Marriages Search bdm.psopho.co.nz/ About this Search This site is designed to make it easier to discover information in the NZ Births, Deaths & Marriages registers for the purposes of genealogy research. Input fields are provided for details of a male and/or female. One surname must be entered as a minimum. The Male/Father Surname serves as a married surname for the female when searching for death records. The maximum date range for each record type is searched by default. Visit the official DIA BDM website to confirm what this range is.