YourRoots by Genomelink
banner

Sign up to explore more

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

William Cosby 1713–1790 – Genealogical Records

Birth Date: 1713

Birth Location: Westminster, Middlesex, England

Death Date: 1790

Death Location: New Kent, Hanover County, Virginia, USA

Father: Brigadier NJ

Mother: Grace Cosby

Spouse(s):

Children(s):

William Cosby was born in 1713 in Westminster, Middlesex, England, the child of Brigadier General Sir William Cosby 24Th Col Gov Of New York 6Th Royal Gov Of Nj And Grace Montague Edwd Esqe Elizabeth Montague Cosby. William Cosby passed away in 1790 in New Kent, Hanover County, Virginia, USA.

Find more search results for William Cosby
WC

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:
B
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

  • William Cosby was born in 1713 in Westminster, Middlesex, England, the child of Brigadier General Sir William Cosby 24Th Col Gov Of New York 6Th Royal Gov Of Nj And Grace Montague Edwd Esqe Elizabeth Montague Cosby.
  • William Cosby passed away in 1790 in New Kent, Hanover County, Virginia, USA.

Immediate Family

Parents

Spouses(s)

Children(s)

William Cosby's Ancestors

Self
William Cosby
1713–1790
Birth Place: Westminster, Middlesex, England
Parents
Brigadier General Sir William Cosby 24th Col Gov of New York, 6th Royal Gov of NJ
1690–1736
Stradbally Hall, Queens County County Laois, Ireland
Grace (Montague Edwd. Esqe. Elizabeth Montague) Cosby
1911–1767
Westminster, City of Westminster, Greater London, England
Grandparents
Sir (Alexander Loftus Cosby of) Stradbally
1639–1694
Stradbally, County Laois, Ireland
Elizabeth (Sandes L'Estrange) Cosby
1640–1692
Moystown, Kings, Ireland
Edward Montagu
1649–1690
Horton, (Buckinghamshire), England
Elizabeth (Wilmot) Montagu
1660–1723
Halifax, Yorkshire, England
Great-Grandparents
Franncis Cosby
1612–1641
Anne Loftus
1606–1673
Elizabeth Sandes
1610–1695
Elizabeth Sandes
1610–1695
Sir Horton
1622–1681
Elizabeth Irby
1624–1684
3RD Sr
1623–1703
LADY Sunderland
1627–1685
2nd-Great-Grandparents
Richard Cosbie
1576–1631
Elizabeth Pigott
1586–1669
Adam Loftus
1615–1666
Dorcas Cosby
1608–1663
William Sands
1580–1668
Elizabeth Fernley
1585–1658

William Cosby's Timeline

3 Records

1713
1713
Birth of William Cosby in Westminster, Middlesex, England
Westminster, Middlesex, England
1720
3 Apr 1720
Age 7
William Cosby was baptized in London, England
London, England
1790
1790
Age 77
Death of William Cosby in New Kent, Hanover County, Virginia, USA
New Kent, Hanover County, Virginia, USA

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 1713
    Event Place: Westminster, Middlesex, England

    Genealogy Event 2
    Event Type: Baptism
    Event Date: 3 Apr 1720
    Event Place: London, England
    Record Source: Westminster, London, England, Church of England Baptisms, Marriages and Burials

    Genealogy Event 3
    Event Type: Death
    Event Date: 1790
    Event Place: New Kent, Hanover County, Virginia, USA

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