CaseTrail

National supremacy, marital and family relationships: Supreme Court decisions

Every U.S. Supreme Court decision from the 1946 through 2025 Terms that the Supreme Court Database classifies under the issue “National supremacy, marital and family relationships,” part of the Federalism area.

7decisions
71%favorable to the petitioner
14%unanimous
2altered precedent or struck a law

Decisions by decade

1960s2
1970s1
1980s2
2010s2

Most majority opinions

Legal provisions most often involved

Article VI, Section 2 (supremacy clause)2
Fourteenth Amendment (enforcement clause)1
Eleventh Amendment1
10 U.S.C. § 14311
45 U.S.C. § 2311

All 7 decisions, newest first

Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error