Isaac Green (1721–1800) was born in Baltimore, Maryland, USA and died in Baltimore, Maryland, USA. 3 researchers on YourRoots have this ancestor in their family trees.

How many people are researching Isaac?

Right now, 3 researchers on YourRoots have Isaac in their trees. The ancestor migration map traces 27 generations of this lineage.

What records do they have for Isaac?

Records vary by researcher and can include census, vital, parish, cemetery, and family sources.

How do I compare family trees?

Use Compare Tree on an available researcher profile to compare overlapping people and records.

Isaac Green 1721–1800

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 3 independent trees

Birth year and location consistent across 3 trees

Death year and location consistent across 3 trees

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

B Reliability

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

3 researchers on YourRoots have Isaac Green in their family trees — each with their own records and documentation. Trace the migration path across 27 generations. If this ancestor is in your tree too, you can compare what you've found and fill in the gaps together.

Last updated: July 22, 2026 · Reliability: B — verified across 3 independent trees

Born 01 Sep 1721 · Baltimore, Maryland, USA

Died 24 Jun 1800 · Baltimore, Maryland, USA

Father John Green

Mother Mary Sampson

Siblings Mary Green, Robert Green, Sarah Green

Records

Maryland Census, 1772-1890

Compare Tree

Researchers connected through Isaac Green 1721–1800

and 2 more tree owners connected with Isaac Green 1721–1800

Immediate Family

Parents

John Green

Mary Sampson

Spouse(s)

No spouse recorded

Children

No children recorded

Biography

In 1721, Isaac Green entered the world in Baltimore, Maryland, USA, born to john green and mary sampson. Isaac Green passed away in 1800 in Baltimore, Maryland, USA.

Sources

1

Record Maryland Census, 1772-1890

Life Timeline

1721

Birth of Isaac Green in Baltimore, Maryland, USA

Birth

1800

Death of Isaac Green in Baltimore, Maryland, USA

Death

Oldest Ancestor Line from Isaac Green

This ancestor line traces from Briequebec, Nomandy, France (1021) to Baltimore, Maryland, USA (1721) across 27 generations.

Direct Lineage

generations

Frequently Asked Questions

: Isaac Green (1721–1800) was born in Baltimore, Maryland, USA and died in Baltimore, Maryland, USA. 3 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, 3 researchers on YourRoots have Isaac 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 27 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.