Definition
The Lords Temporal are the lay members of the House of Lords — that is, peers of the realm who hold seats in the upper chamber of the British Parliament by virtue of their noble rank rather than by virtue of ecclesiastical office. They are distinguished from the Lords Spiritual, who are senior Church of England bishops sitting in the Lords by reason of their clerical positions. Historically, the Lords Temporal comprised hereditary peers (dukes, marquesses, earls, viscounts, and barons) whose seats passed by inheritance. Since the Life Peerages Act 1958 and the reforms of the late twentieth century, the category has expanded to include life peers who hold their titles and parliamentary seats for their own lifetimes only.
Common Confusion
Lords Temporal vs. Lords Spiritual: The two categories together constitute the full membership of the House of Lords (aside from the Law Lords, now removed to the Supreme Court). Lords Spiritual are Church of England bishops — the Archbishops of Canterbury and York plus a fixed number of diocesan bishops. Lords Temporal are everyone else. Historical sources sometimes use "Lords Temporal" loosely to mean simply "the peerage," omitting the distinction between hereditary and life peers; in modern usage the term encompasses both.
Lords Temporal vs. Hereditary Peers: After the House of Lords Act 1999, most hereditary peers lost their automatic right to sit. Ninety-two hereditary peers were initially permitted to remain as an interim measure, elected by their fellow hereditary peers. The Lords Temporal therefore no longer equates to the hereditary peerage as a whole — a critical distinction for researchers working across periods that straddle the 1999 reform.
Why It Matters in Research
Researchers working in the Law Mind corpus will encounter this term most heavily in constitutional law materials, parliamentary history, and sources treating the structure of the British legislature. Several navigational points matter:
Periodization is essential. Pre-1999 sources treat Lords Temporal as synonymous with the hereditary peerage holding seats by right of birth. Post-1999 sources reflect a fundamentally different chamber in which life peers predominate. A source describing the Lords Temporal as an hereditary body is not wrong — it is simply pre-reform.
The judicial function of the House of Lords makes this term relevant to case law research. Until the Constitutional Reform Act 2005 came into force and the Supreme Court of the United Kingdom opened in 2009, the Appellate Committee of the House of Lords served as the highest court for most UK civil and criminal appeals. The Law Lords who served that function were Lords Temporal — lay peers. Post-2005 sources remove this judicial dimension from the Lords Temporal entirely.
American legal sources occasionally reference Lords Temporal in historical constitutional comparisons, particularly in discussions of bicameralism, the Senate's design, and the rejection of hereditary legislative power. Researchers using the corpus to trace framers' debates or early American constitutional theory may find Lords Temporal appearing as a counterpoint — what the framers explicitly did not want the Senate to become.
Bouvier's entry for this term redirects to Parliament, signaling that nineteenth-century American legal dictionaries treated the concept as descriptive background rather than operative legal doctrine. This is accurate: for American legal purposes, Lords Temporal is a reference term, not a term with domestic legal effect.
Historical Dictionary Support
Black's Law Dictionary provides a compact and accurate definition — "those lay peers who have seats in the house of lords" — that has remained stable across editions because the core meaning is structural and constitutional rather than doctrinal. It does not, however, flag the post-1999 transformation of the Lords' composition or the abolition of the Law Lords' judicial function, both of which are essential for researchers using later materials.
Bouvier's entry is effectively a cross-reference to Parliament, reflecting the approach of American legal dictionaries to British constitutional terms: explanatory rather than operative. Bouvier does not elaborate, which is appropriate given that the term carries no direct force in American law.
Neither historical dictionary distinguishes between hereditary and life peers, which is understandable given that life peerages were not introduced until 1958. Researchers relying on these sources for a complete picture of Lords Temporal in contemporary constitutional practice will need to supplement them with post-reform constitutional texts.
Jurisdictional Note
Lords Temporal is a term of British constitutional law and has no direct legal counterpart in any American jurisdiction. It appears in American legal sources primarily as a comparative or historical reference. Commonwealth jurisdictions with appointed upper houses — Canada's Senate, for instance — sometimes draw terminological or structural analogies, but do not use the term as operative law.
Encyclopedia Cross-Reference
See Law Mind Encyclopedia: Parliament; House of Lords; Peerage; Lords Spiritual