YourRoots by Genomelink
banner

Sign up to explore more

Create a free account to navigate family trees, view ancestors, and discover connections.

Oliver Sinclair 1885–1949 – Genealogical Records

Birth Date: 1885

Birth Location: Kiama, New South Wales, Australia

Death Date: 26 Sep 1949

Death Location: Ipswich, Ipswich City, Queensland, Australia

Father: Albert Sinclair

Mother: Sarah Dowling

Spouse(s): Wilhelmina Ostrofski

Children(s): Roy Sinclair, Oliver Sinclair

In 1885, Oliver Sinclair entered the world in Kiama, New South Wales, Australia, born to Albert Dunbar Sinclair And Sarah Dowling. Oliver Sinclair married Wilhelmina Ostrofski, and had children including Milton Sinclair, Oliver Vincent Sinclair, Roy Sinclair. Oliver Sinclair passed away in 1949 in Ipswich, Ipswich City, Queensland, Australia.

Find more search results for Oliver Sinclair
OS

Reliability Score

This score reflects the reliability of the source family tree. A high rating indicates a trustworthy source with strong data consistency.

Reliability Score:
A
Criteria:
  • A 3 criteria (Strong)
  • B 2 criteria (Medium)
  • C 1 criteria (Basic)
  • N/A 0 criteria (Insufficient)

This tree's reliability score:

  • Record available
  • Descendant's record available
  • Star tree owner

Biography

  • In 1885, Oliver Sinclair entered the world in Kiama, New South Wales, Australia, born to Albert Dunbar Sinclair And Sarah Dowling.
  • Oliver Sinclair married Wilhelmina Ostrofski, and had children including Milton Sinclair, Oliver Vincent Sinclair, Roy Sinclair.
  • Oliver Sinclair passed away in 1949 in Ipswich, Ipswich City, Queensland, Australia.

Immediate Family

Parents

Spouses(s)

Children(s)

Oliver Sinclair's Ancestors

Self
Oliver Sinclair
1885–1949
Birth Place: Kiama, New South Wales, Australia
Parents
Albert Dunbar Sinclair
1851–1912
Jamberoo, New South Wales, Australia
Sarah Dowling
1854–1901
Gunning, New South Wales, Australia
Grandparents
Samuel Sinclare
1805–1875
Kilclooney, Galway, Ireland
Rebecca (D) Sinclare
1819–1900
Ballinasloe, Galway, Ireland
Great-Grandparents
James Dunbar
1800–1861
Catherine Egan
1784–1872
2nd-Great-Grandparents

Oliver Sinclair's Descendants

1.
OS
Oliver Sinclair (1885–26 Sep 1949) m. Wilhelmina Ostrofski (27 Sep 1892–24 Aug 1975)
  1. 1. Roy Sinclair 1917–2014 m. Dulcie (Ellen Smith) Muller 1925–2001
    1. 1. Margaret (Joan) Sinclair –2017
    2. 2. Ronald (David) Sinclair 1947–2007
  2. 2. Oliver (Vincent) Sinclair 1914–1967 m. Beda Tetzlaff 1912–1997
    1. 1. Noel (John) Sinclair 1942–1996

Oliver Sinclair's Timeline

2 Records

1885
1885
Birth of Oliver Sinclair in Kiama, New South Wales, Australia
Kiama, New South Wales, Australia
1949
26 Sep 1949
Age 64
Death of Oliver Sinclair in Ipswich, Queensland, Australia
Ipswich, Queensland, Australia

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 1885
    Event Place: Kiama, New South Wales, Australia
    Record Source:
    [1] Australia, Birth Index, 1788-1922
    [2] Australia and New Zealand, Find a Grave Index

    Genealogy Event 2
    Event Type: Death
    Event Date: 26 Sep 1949
    Event Place: Ipswich, Queensland, Australia
    Record Source:
    [1] Australia and New Zealand, Find a Grave Index
    [2] Australia, Death Index, 1787-1985

    Genealogy Event 3
    Event Type: Burial
    Event Place: Ipswich, Ipswich City, Queensland, Australia
    Record Source: Australia and New Zealand, Find a Grave Index

About YourRoots

Family Tree Map

Explore your family tree geographically

Import your GEDCOM file to transform your family tree into an interactive global map. See your roots laid out visually and understand your true geographic heritage.

Powerful tools like "Trace Back To Me" instantly map your family's migration paths from a chosen ancestor all the way back to you.

LEARN MORE
AI Genealogy Research

Discover ancestors beyond "end-of-line" automatically

Import your family tree and let AI expand it for you. AI Ancestor Finder scans "end-of-line" ancestors to uncover their parents across hundreds of family lines at once. AI Deep Research analyzes selected ancestors and family clusters, suggesting relevant records and next steps.

Turn on Auto Research Mode to get new discoveries daily or weekly, so your tree keeps growing even while you're away.

LEARN MORE
DNA Match

Find more DNA matches across all DNA tests

Combine your DNA data with your family tree to unlock the full power of YourRoots DNA Match. Connect with relatives across major testing services — Ancestry, 23andMe, MyHeritage, and more.

View your matches' maps and trees to identify shared ancestors, and soon you'll be able to add them directly to your own tree and map.

LEARN MORE
Ancestry Reports

Ancestry DNA analysis that goes deeper than others

Unlock exclusive reports that reveal your deeper origins.

  • Deep Ancestry Report — Analyze 130+ ethnicities, sub-regions, and 1,800+ communities in one detailed view.
  • Global & Native American Reports — Developed with Stanford researchers to uncover hidden ancestries across all 22 chromosomes.
  • Ancient DNA Series — Compare your DNA with 1,000+ ancient genomes from Viking, Celtic, and early American civilizations.
LEARN MORE