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Jeremiah OConnell 1803–1872

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 2 independent trees
Birth year and location consistent across 2 trees
Death year and location consistent across 2 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

2 researchers on YourRoots have Jeremiah OConnell 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: August 25, 2026 · Reliability: B — verified across 2 independent trees

Born 12 Aug 1803 · Mallow, County Cork Ireland
Died 8 Aug 1872 · Cambridge, Massachussetts
Father Daniel O Connell
Mother Catherine Quinlan
Siblings Anne Oconnell, Callahan O Connell, Daniel O Connell, Johanna Johannah O Connell, Johanna O Connell, Michael O Connell, William O Connell

Researchers connected through Jeremiah OConnell 1803–1872

and 1 more tree owner connected with Jeremiah OConnell 1803–1872

Immediate Family

Spouse(s)
No spouse recorded
Children
No children recorded

Biography

Jeremiah OConnell was born in 1803 in Mallow, County Cork Ireland, the child of daniel o connell and catherine quinlan. Jeremiah OConnell passed away in 1872 in Cambridge, Massachussetts.

Sources

Life Timeline

1803
Birth of Jeremiah OConnell in Mallow, County Cork Ireland
Birth
1872
Death of Jeremiah OConnell in Cambridge, Massachussetts
Death

Oldest Ancestor Line from Jeremiah OConnell

This ancestor line traces from Mallow, Cork, Ireland (1745) to Mallow, Cork, Ireland (1770) across 2 generations.

Direct Lineage
generations

Frequently Asked Questions

Jeremiah OConnell (1803–1872) was born in Mallow, County Cork Ireland and died in Cambridge, Massachussetts. 2 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, 2 researchers on YourRoots have Jeremiah 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.

Jeremiah OConnell's Ancestors

Pedigree chart — 3 generations on record

Self
Jeremiah OConnell PTP
1803–1872
Mallow, County Cork Ireland
Parents
Unknown
Unknown
Grandparents
Unknown
Unknown
Unknown
Unknown

Jeremiah OConnell's Descendants

1.
JO
Jeremiah OConnell PTP 1803–1872