James Mahoney 1805–1870
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
Compare a Public Tree Person with your own tree using Compare Tree.
- A 3 criteria (Strong)
- B 2 criteria (Medium)
- C 1 criteria (Basic)
- Record available
- Descendant's record available
- Star tree owner
2 researchers on YourRoots have James Mahoney 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: A — verified across 2 independent trees, with linked records
Researchers connected through James Mahoney 1805–1870
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and 1 more tree owner connected with James Mahoney 1805–1870
Immediate Family
Biography
In 1805, James Mahoney entered the world in Macroom, Cork, Ireland, born to john mahoney and margt martin. In 1850, James Mahoney resided in Dayton, Cattaraugus, New York, USA. In 1851, James Mahoney resided in Bristol St James, Gloucestershire, England. James Mahoney married joanna mahony, julia mahoney, mary burke, and had children including catherine mahony, cornelius mahoney, daniel mahoney, florence mahony, james mahony, jeremiah mahoney, johanah mahony, ketty donahoe, mary mahoney, michael mahony, timothy mahoney. James Mahoney passed away in 1870 in Woodside, Queens County, New York, United States of America.
Sources
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1Census 1850 United States Federal Census
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2Census 1851 England Census
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3Census 1860 United States Federal Census
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4Census 1861 England Census
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5Census 1870 United States Federal Census
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6Immigration New York, U.S., Arriving Passenger and Crew Lists (including Castle Garden and Ellis Island), 1820-1957
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7Burial Records U.S., Find a Grave® Index, 1600s-Current
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8Church Records Ireland, Catholic Parish Registers
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9Record New York, U.S., U.S. Census Mortality Schedules, 1850-1880
Life Timeline
Oldest Ancestor Line from James Mahoney
This ancestor line traces from Kilarney, Kerry, Ireland (1781) to Macroom, Cork, Ireland (1805) across 2 generations.
Frequently Asked Questions
- James Mahoney (1805–1870) was born in Macroom, Cork, Ireland and died in Woodside, Queens County, New York, United States of America. 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 (A) based on cross-tree validation.
- Right now, 2 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.
James Mahoney's Ancestors
Pedigree chart — 3 generations on record