Third Circuit / Appointed 1909 / Served to 1912
Portrait of William Mershon Lanning

William Mershon Lanning

Judge, U.S. Court of Appeals for the Third Circuit

Appointed by President William H. Taft in 1909 and confirmed by voice vote, William Mershon Lanning was a Judge on the U.S. Court of Appeals for the Third Circuit. He previously served on the U.S. District Court for the District of New Jersey and U.S. Circuit Courts for the Third Circuit. Sources ↓

Lived
1849–1912
Appointed by
William H. Taft, 1909
Confirmed
by voice vote

Federal judicial service

YearCourtAppointed byVote
1904District of New JerseyT. Roosevelt (R)Voice vote
1909U.S. Circuit Courts for the Third CircuitTaft (R)Voice vote
1909Third CircuitTaft (R)Voice vote

Party letters show the appointing president’s party, not the judge’s own. A voice vote means the chamber approved aloud. No senator-by-senator tally is recorded.

Confirmation vote

Voice vote

The Senate approved this confirmation aloud, with no senator-by-senator tally recorded. Recorded roll-call votes begin in 1989.

Education

Read law1880

Questions & answers

Who appointed William Mershon Lanning?
President William H. Taft appointed William Mershon Lanning to the U.S. Court of Appeals for the Third Circuit in 1909.
Was William Mershon Lanning appointed by a Democrat or a Republican?
William Mershon Lanning was appointed by President William H. Taft, a Republican. JudicialFinder records the appointing president's party, not a judge's own politics.
What was William Mershon Lanning's confirmation vote?
William Mershon Lanning was confirmed by voice vote on May 18, 1909. No senator-by-senator tally was recorded.
Which court was William Mershon Lanning on?
William Mershon Lanning was a Judge on the U.S. Court of Appeals for the Third Circuit.

Sources

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2 years on the U.S. Court of Appeals for the Third Circuit. Data as of 2026-08-10. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).