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James Robert Alexander 1685–1779

Public Tree Person

What is a Public Tree Person?

A Public Tree Person is an ancestor documented independently by multiple YourRoots tree owners. When several researchers' family histories converge on the same person, we publish a shared page that combines what they've documented.

Why this is a Public Tree Person

Full name consistent across 5 independent trees
Birth year and location consistent across 5 trees
Death year and location consistent across 5 trees

Compare a Public Tree Person with your own tree using Compare Tree.

B Reliability
B
Reliability Score: B
Medium — based on the source tree
Grade scale
  • A 3 criteria (Strong)
  • B 2 criteria (Medium)
  • C 1 criteria (Basic)
Verification checklist
  • Record available
  • Descendant's record available
  • Star tree owner

5 researchers on YourRoots have James Alexander in their family trees — each with their own records and documentation. Trace the migration path across 2 generations. If this ancestor is in your tree too, you can compare what you've found and fill in the gaps together.

Last updated: September 17, 2026 · Reliability: B — verified across 5 independent trees

Born 1 Jan 1685 · Manokin, Somerset, Maryland, United States
Died 31 May 1779 · New Munster, Cecil, Maryland, United States
Mother
Spouse Margaret McKnitt (1693–1736)
Children , , , , , , , , , , , , , , ,

Researchers connected through James Alexander 1685–1779

and 2 more tree owners connected with James Alexander 1685–1779

Immediate Family

Parents
Children

Biography

The story of James Robert Alexander began in 1685 in Manokin, Somerset, Maryland, United States. James Robert Alexander married margaret abigail mcknitt, and had children including abigail alexander, abraham alexander, amos sharpe alexander sr, anne alexander moore, edith alexander, elizabeth jemima alexander, esther alexander, ezekiel alexander, francis alexander, hezekiah alexander, jemima alexander, john mcknitt alexander, jon joseph alexander, keziah alexander, margaret mcknitt alexander ii, theophilus alexander. James Robert Alexander passed away in 1779 in New Munster, Cecil, Maryland, United States.

Sources

Life Timeline

1685
Birth of James Robert Alexander in Manokin, Somerset, Maryland, United States
Birth
1779
Death of James Robert Alexander in New Munster, Cecil, Maryland, United States
Death

Oldest Ancestor Line from James Alexander

This ancestor line traces from Manokin, Somerset County, Maryland, United States of America (1667) to Manokin, Somerset, Maryland, United States (1685) across 2 generations.

Direct Lineage
generations

Frequently Asked Questions

James Alexander (1685–1779) was born in Manokin, Somerset, Maryland, United States and died in New Munster, Cecil, Maryland, United States. 5 researchers on YourRoots have this ancestor in their family trees, each with their own records. This page combines what they've independently documented and assigns a Reliability Score (B) based on cross-tree validation.
Right now, 5 researchers on YourRoots have James in their trees. They're working independently, so connecting with them is a good way to cross-check your records and find things you might have missed. You can also explore the ancestor migration map that traces 2 generations of this lineage geographically.
It varies by researcher — some have census records, others have marriage certificates, parish registers, or family Bible entries. Scroll up to see exactly what each person has cited.
Use the "Compare Tree" button on any researcher's profile above. You can compare your tree side by side with theirs, see where your records overlap or differ, and collaborate to fill gaps.

Related Records

James Alexander's Ancestors

Pedigree chart — 3 generations on record

Self
James Robert Alexander PTP
1685–1779
Manokin, Somerset, Maryland, United States
Parents
Unknown
Unknown
Grandparents
Unknown
Unknown
Unknown
Unknown

James Alexander's Descendants

1.
JA
James Robert Alexander PTP 1685–1779 m. Margaret Abigail McKnitt PTP 1693–1736