Biography.guide
Home › People › Lawyer › James O'Neill
Portrait of James O'Neill

James O'Neill

1847 – 1929

American lawyer, politician and judge

Don't just read it — keep itBiographies to ownE-book · Audio · Video From $7 →

About James O'Neill

Lived 1847 – 1929 (aged 81). James O'Neill was an American lawyer, politician and judge.

James O'Neill (September 3, 1847 – June 9, 1929) was an American lawyer, jurist, and Republican politician. He served 24 years as a Wisconsin circuit court judge in western Wisconsin. Earlier, he had served one term in the Wisconsin State Assembly, representing Clark County.

Biography Born in Lisbon, New York, O'Neill went to Lawrence University and later Cornell University where he graduated from in 1871. He taught school and studied law at Albany Law School, graduated in 1873, and was admitted to the New York Bar. In 1873, he moved to Neillsville, Wisconsin at the invitation of his uncle James O'Neill and practiced law. In 1885, he served in the Wisconsin State Assembly as a Republican. O'Neill was appointed District Attorney of Clark County, Wisconsin. He practiced law with Spencer M. Marsh until he was elected Wisconsin Circuit Court judge in 1897 serving until 1922.

O'Neill died in Neillsville, Wisconsin on June 9, 1929.

Biography shop

Don’t just read it —
keep it.

Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.

  • E-book
  • Audio
  • Video
Browse the shop — from $7

Instant download · yours to keep · every purchase keeps this site free

Important facts

Birth century
Nationality
Education
Cornell University, Lawrence University, Albany Law School
Positions held
Member of the Wisconsin State Assembly

Contemporaries

People whose lives overlapped James O'Neill's

Frequently asked questions

Who was James O'Neill?

American lawyer, politician and judge (1847-1929)

When was James O'Neill born?

James O'Neill was born on 3 September 1847 in Lisbon.

When did James O'Neill die?

James O'Neill died on 10 June 1929 in Clark County, Wisconsin.

What was James O'Neill's occupation?

James O'Neill was a lawyer, politician and judge.

What nationality was James O'Neill?

James O'Neill was American.

Sources & further reading

· Wikipedia: James O'Neill

· Wikidata: Q16030190

· DBpedia: James O'Neill (jurist)

Cite this page

APA: Biography.guide. (2026). James O'Neill. https://biography.guide/james-o-neill-lawyer/

MLA: "James O'Neill." Biography.guide, https://biography.guide/james-o-neill-lawyer/.

Chicago: "James O'Neill." Biography.guide. https://biography.guide/james-o-neill-lawyer/.

Data last updated: 2026-09-21 · Spot an error? Report a correction.

Portrait: Wikimedia Commons · author & licence

Page generated 2026-09-27 04:59 UTC