First given name, initial of second given name, from the Australia Birth record of daughter, found in November 2023:
Name: Frederick J Keaisey
Birth Year: 1867
Birth Place: New South Wales
Registration Year: 1867
Registration Place: Morpeth, New South Wales, Australia
Father: Frederick J Keaisey
Mother: Miriam Keaisey

Year of birth, date and place of baptism, name of mother, from the Northamptonshire Church of England Baptism Parish Register, found in December 2023:
Name: Frederick Kasey - illeg.
Age: 0
Birth Year: Abt 1832
Baptism Date: 26 February 1832
Baptism Place: Syresham, Northamptonshire, England
Parish: Syresham
Mother: Catherine Kasey
Mother's Trade or Profession: Lacemaker

Month/year of marriage, district of marriage, from the England & Wales Marriage records, found in December 2023:
Groom: Frederick Keasey
Bride: Miriam Quainton
Registration Quarter: Jan-Feb-Mar 1859
Registration district: Buckingham, Buckinghamshire
GRO Reference: Volume 3a, Page 545

Frederick and wife Miriam emigrated from England as per the Victoria Australia Assisted and Unassisted Passenger List for the ship, Ascendant, found in December 2023:
Ship: Ascendant
Departure Place: Southampton
Arrival Date: 24 March 1861
Arrival Place: Melbourne, Australia
Name: Fredk Keasey
Calling: Agt Labourer
Native Country: Buckinghamshire
Religious Denomination: Church of England
Education: Read and write
Arrival Age: 28 [Born circa 1833]
Name: Miriam Keasey
Native Country: Buckinghamshire
Religious Denomination: Church of England
Education: Read only
Arrival Age: 21 [Born circa 1840]

Year and place of death, name of parents, from the Australia records, found in December 2023:
Name: Frederick J Keasey
Death Year: 1900
Death Place: Raymond Terrace, New South Wales
Registration Year: 1900
Registration Place: Raymond Terrace, Australia
Father: Robert
Mother: Catherine
[NOTE: Brian of nzolivers is not sure whether Robert is his birth father]?