Isaac Day (1713–1765) was born in Colchester, New London, Connecticut, United States and died in Colchester, New London, Connecticut, United States. 5 researchers on YourRoots have this ancestor in their family trees.

How many people are researching Isaac?

Right now, 5 researchers on YourRoots have Isaac in their trees. The ancestor migration map traces 7 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 Day 1713–1765

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

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 Isaac Day in their family trees — each with their own records and documentation. Trace the migration path across 7 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 17 May 1713 · Colchester, New London, Connecticut, United States

Died 7 Mar 1765 · Colchester, New London, Connecticut, United States

Father

Mother

Siblings , , , , , , , , ,

Records

North America, Family Histories FamilySearch Family Tree

Researchers connected through Isaac Day 1713–1765

and 4 more tree owners connected with Isaac Day 1713–1765

Immediate Family

Parents

Spouse(s)

No spouse recorded

Children

No children recorded

Biography

In 1713, Isaac Day entered the world in Colchester, New London, Connecticut, United States, born to john day and grace spencer. Isaac Day passed away in 1765 in Colchester, New London, Connecticut, United States.

Sources

1

Record North America, Family Histories
2

Record FamilySearch Family Tree

Life Timeline

1713

Birth of Isaac Day in Colchester, New London, Connecticut, United States

Birth

1765

Death of Isaac Day in Colchester, New London, Connecticut, United States

Death

Oldest Ancestor Line from Isaac Day

This ancestor line traces from Smeeth, Kent, England, United Kingdom (1512) to Colchester, New London, Connecticut, United States (1713) across 7 generations.

Direct Lineage

generations

Frequently Asked Questions

: Isaac Day (1713–1765) was born in Colchester, New London, Connecticut, United States and died in Colchester, New London, Connecticut, 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 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 7 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

Isaac Day's Ancestors

Pedigree chart — 3 generations on record

Self

Isaac Day PTP

1713–1765

Colchester, New London, Connecticut, United States