Name, date and place of birth and death, date of marriage to Ernest Lewis Gates on 10 April 1907, from research file10 in June 2017.

Married name of ‘Sarah Selina Gates’ confirmed from full official Birth Certificate of her son, William Francis Gates.

More exact place of birth of ‘Riwaka’ from full official Birth Certificate of her son, William Francis Gates.
Riwaka is a small town in the north of New Zealand's South Island. It lies beside Tasman Bay, five kilometres north of Motueka, and close to the mouth of the Riuwaka River.

Brian of nzolivers.com generated the following search results of official BDM Historical Records showing children born in New Zealand to Ernest Lewes Gates and Sarah Selina Gates (nee Burch):
1908/23578 Gates, Norman Cyril
1909/24956 Gates, Clarence
1911/2607 Gates, Reginald Ernest
1914/18738 Gates, Alberta Lilian
1916/8941 Gates, Kenneth Herbert

From the 1946 Wairarapa Electoral Roll:
Gates, Ernest Lewes, Main Street, Greytown, farmer
Gates, Sarah Selina, Main Street, Greytown, married

From the 1949 Wairarapa Electoral Roll:
Gates, Ernest Lewes, Main Street, Greytown, farmer
Gates, Sarah Selina, Main Street, Greytown, married

Sarah Selina Burch here, married ‘Ernest Louis Gates’ b.1875.
Brian of nzolivers.com notes that Sarah’s older brother, ‘Adolphus Dodson Burch’ b.1876, also married into the Gates family by marrying ‘Gertrude Janes Gates’ b.1884, Gertrude being the younger sister of Ernest Louis Gates!

Record from marriage search on New Zealand BDM website in May 2021:
1907/4116. Bride: Sarah Selina Burch. Groom: Ernest Lewis Gates

Full date of marriage of 10 April 1907 from further searching in May 2021 on BDM Search by incrementally changing the date range for the marriage.

Result from birth search on New Zealand BDM website in May 2021:
Reg. Sarah Selina. Mother: Annie Maria. Father: Charles John

Full date of birth of 18 December 1884 confirmed from further searching in May 2021 on BDM Search by incrementally changing the date range for the birth.