Name, year and country of birth from search on New Zealand BDM website in May 2025:
1883/5505. Bartlett, Mabel Emma. Mother: Margaret Jane. Father: George Henry

Full date of birth of 18 April 1883 from further searching in May 2025 on BDM Search by incrementally changing the date range for the birth.

Year and country of death, from death search on New Zealand BDM website in May 2025:
1884/3363. Bartlett, Mabel Emma. Died age 1Y

Full date of death of 12 November 1884 from further searching in May 2025 on BDM Search by incrementally changing the date range for the death.

Place of birth, death, and burial, from Find a Grave website found in May 2025:
https://www.findagrave.com/memorial/274226417/mabel-emma-bartlett
Name: Mabel Emma Bartlett
Birth: 28 Mar. 1883, Ōnehunga, Auckland, New Zealand
Death: 12 Nov. 1884, Ōnehunga, Auckland, New Zealand
Burial: St. Peter's Anglican Cemetery, Ōnehunga, Auckland, New Zealand

Daughter of George Henry and Margaret Bartlett.
Granddaughter of George and Frances Bartlett; George Henry being the son of George and Frances. Baptism Register: Born 28 Mar 1883; baptised 29 April 1883. NZ Herald, 13 Nov 1884:
Bartlett: On the 12th instant, Mabel Emma, aged one year and seven months, the infant daughter of G Bartlett, Princess Street, Onehunga. Interment at three o'clock.
Credit for Source: https://www.graveinsightsonehunga.nz