Information from "From Old England to New Zealand, complied by Janet Wells, Fay Bartlett, Barbara and Ian McDonald" lodged at Puke Ariki Museum, New Plymouth, New Zealand.

Brian Oliver found headstone at Te Henui Cemetery, New Plymouth, New Zealand, reads:
Sacred
to
the memory of
Zaccheus William Wells
Who Died 6th Dec. 1915
Aged 85 Years
Also
Selina
Beloved Wife of the Above
Died 3rd Nov. 1933
Aged 93 Years

Selina’s estimated year of birth is circa 1840.