Name, date and place of birth, year and place of marriage from “McCaul Family Scotland” (first compiled in 1991 and updated to 2002) by Marcia Barbara (Barbara) McCaul, Canada (b. 1932, d. 2002). Barbara was the great-great grandaughter of Gilbert McCaul (b. 1765) and Janet McFarlan (b. 1770). Brian of nzolivers.com is the great-great-great grandson of Gilbert and Janet.

Year and country of death, from death search on New Zealand BDM website in June 2022:
2022/17137. McCaul, Douglas Graeme. Date of birth: 29 April 1941

Full date of death of 7 June 2022 from further searching in June 2022 on BDM Search by incrementally changing the date range for the death.

Third given name of “Bickerton” from search on New Zealand BDM website in July 2023:
1941/89679. McCaul, Douglas Graeme Bickerton. Mother: Lesley Frances. Father: Malcolm Graeme

Full date of birth of 29 April 1941 confirmed from further searching in July 2023 on BDM Search by incrementally changing the date range for the birth.