New Hampshire Supreme Court / Joined 1946 / Served to 1976

Laurence Ilsley Duncan

Justice, New Hampshire Supreme Court

Laurence Ilsley Duncan was a Justice of the New Hampshire Supreme Court, who joined the court in 1946. Opinions & record ↓ Sources ↓

Born
1906 · age 120
Tenure
1946–1976 · 30 yrs

Judicial service

YearCourtAppointed byVote
1946New Hampshire Supreme Court

Judicial Record

In our data, Duncan authored 537 published opinions for the court (1947–1976), plus 42 dissents and 7 concurrences. Most cited: Clark v. Clark (164 citations).

Published, precedential opinions from the CourtListener corpus. Counts and rankings are objective and recomputable: how we count. We describe the record, not the judge. 177 of these were attributed to Duncan by a unique court-, date-, and surname-match against our roster (marked ), because CourtListener recorded no author for them. Each links to the official text to verify. How we match.

Selected opinions

YearCaseCitationCited
1966Clark v. Clark· Dissent107 N.H. 351164
1976Ouellette v. Blanchard· Concurrence116 N.H. 55299
1974Merrill v. City of Manchester· Concurrence114 N.H. 72293
1973Stone v. Shea113 N.H. 17448
1954Desrochers v. New York Casualty Co.99 N.H. 12943
1949New England Telephone & Telegraph Co. v. State64 A.2d 941
1976Cornwell v. Cornwell116 N.H. 20538
1974Morrissette v. Sears, Roebuck & Co.114 N.H. 38437
1947Newell v. Moreau· Concurrence55 A.2d 47637
1968In Re Unification of the New Hampshire Bar· Dissent109 N.H. 26034
1962Bolduc v. Crain104 N.H. 16334
1971Raitt v. National Grange Mutual Insurance111 N.H. 39732
1951Farm Bureau Automobile Insurance v. Martin· Dissent97 N.H. 19632
1969State v. Coolidge109 N.H. 40330
1960Carter v. Bergeron102 N.H. 46429

Showing the 15 most-cited of 587 authored opinions in our data. “Cited” is inbound citations across the CourtListener corpus. Case links open the ruling’s full text (CourtListener) or its page here; read the methodology and verify against the primary source.

Questions & answers

How do judges of the New Hampshire Supreme Court reach the bench?
The court's current selection method is gubernatorial appointment.
Which court was Laurence Ilsley Duncan on?
Laurence Ilsley Duncan was a Justice of the New Hampshire Supreme Court.

Sources

Each fact on this page traces to a primary public record.

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30 years on the New Hampshire Supreme Court. Data as of 2026-03-31. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).