- Detailed Facts for Pera Maude Ingham HADEN and Kenneth HARTREE
- Born 4 August 1894 in Trowbridge, Wiltshire, England
- Residence 1901 in Trowbridge, Wiltshire, England
- Residence 2 April 1911 in Trowbridge, Wiltshire, England
- with Kenneth HARTREE:
Married September 1921 in Bath, Somerset, England
- Departure 15 December 1957 in Honolulu, Hawaii, USA
- Died 8 October 1989 in Bournemouth, Hampshire, England
- Arrival in Hawaii, USA
