From Muriel Leo’s (nee Oliver, 1917-1998) Family Tree.
No children

Update from headstone Te Henui Cemetery, New Plymouth, New Zealand:
In loving memory of
Maude Annie
Beloved wife of
Edgar Hooker
Died 6th March 1936
Edgar Oliver
Dearly loved husband of
Maud Annie and Anne Hooker
1879 - 1959
Till we meet again

Note - the spelling of Edgar oliver Hooker’s first wife Maude Annie is spelt without an “e” near the bottom?

Dax Eric Clayton Lloyd, (great-grandson of Jessie Bertha Oliver b.1876) writes, “also here is the Te Henui burial record for Edgar's ashes”:
“Surname: HOOKER
Forenames: Edgar Oliver
Last Address: Auckland
Age at Death: 79 Years
Date of Death: 22 May 1959
Category: Ashes Burial
Funeral Director: Vospers Funeral Home, 257 Devon Street East, NEW PLYMOUTH 4310
Date of Burial: 22 May 1959
Cemetery: TE HENUI
Location in Cemetery: Primitive Methodist - Row 6 Lot 3 Plot 2”

“and here is his Waikumete cremation record
HOOKER, EDGAR OLIVER
Plot: N/A
Interment Type: Cremation
Title: MR
Surname: HOOKER
Given Names: EDGAR OLIVER
Age : 79
Gender: Male
Occupation: RTD CARRIER
Date Of Death: 22-May-1959
Date Of Cremation: N/A
Date Of Burial: N/A
Funeral Director: W H TONGUE
Head Stone Details: N/A”