First given name of “Esma” from handwritten information, (possibly by Dreda Joyce Jones nee Trainer b. 1920) which has been written on rear of "ROSS Family" tree dated 1993 by Vyver Main (nee Whyte) b. 1919.

Second given name, year and country of birth from search on New Zealand BDM website in October 2018:
1917/3195. Ross, Esma Mary. Mother: Mary Jane. Father: George Gerrard
Full date of birth of 19 September 1917 from further searching in October 2018 on BDM Search by incrementally changing the date range for the birth.