Definition
Latin: "civilly dead." A person who is civiliter mortuus has lost all civil rights and legal capacities—the ability to hold property, enter contracts, sue or be sued, vote, or inherit—as a consequence of law. Though physically alive, such a person is treated as legally nonexistent for purposes of civil society. The condition was historically the legal counterpart to physical death, with courts treating the affected individual as if they had died.
The concept is the Latin expression for the doctrine of civil death. It is not a separate legal rule but the formal Latin designation courts and treatises used to describe a person on whom civil death had been imposed.
Common Confusion
Civiliter mortuus and civil death are the same doctrine expressed in different registers: one Latin, one English. Researchers will find both terms used interchangeably in older sources. The Latin form appears most often in formal legal writing, case headnotes, and treatise indexes through the nineteenth century; the English form dominates modern statutory and judicial usage. Neither term should be confused with attainder alone—attainder was one mechanism by which a person became civiliter mortuus, but the status could also attach by operation of sentence to life imprisonment or, in older authorities, by entry into certain religious orders.
Why It Matters in Research
The term is essentially a historical marker. Researchers will encounter civiliter mortuus almost exclusively in sources predating the twentieth century. Its appearance in a case or treatise signals a legal culture that treated certain severe civil penalties as equivalent to death—with direct consequences for property succession, marriage, and contractual capacity.
The most important navigational point: civiliter mortuus is an index term in older digests and dictionaries, but the substantive doctrine it labels is catalogued under CIVIL DEATH in most modern finding tools. If a search for this Latin phrase produces thin results in a corpus, pivot immediately to civil death, attainder, and disabilities.
Jurisdictional drift matters here. The cases cited in Rapalje & Lawrence establish two distinct bases for the status in early New York practice: attainder and life imprisonment. The Pennsylvania reference in the same source makes clear that courts did not extend the status automatically—a habitual drunkard, for instance, was held not to be civiliter mortuus. This means the scope of the doctrine varied by jurisdiction and fact pattern, and a researcher cannot assume uniform treatment across states or time periods.
The term also surfaces in English common law sources, particularly Blackstone's Commentaries (1 Bl. Com. 133), which is cited in Rapalje & Lawrence and was a primary authority for American courts applying the doctrine. Researchers working in early American cases will frequently trace citations back through Blackstone.
Modern relevance is limited but not zero. Some states retained statutory civil death provisions for prisoners well into the twentieth century, and litigation over the residual civil disabilities of convicted persons—particularly voting rights—occasionally invokes the historical doctrine by name.
Historical Dictionary Support
All three source dictionaries agree on the core meaning: civil death, loss of civil rights, legal nonexistence. The entries are brief by design—civiliter mortuus functions as a cross-reference term pointing toward the substantive doctrine rather than a standalone doctrinal entry.
Burrill adds the gloss "dead as a citizen," which usefully captures the civic dimension of the concept: what is extinguished is not personhood in the abstract but membership in civil society and the rights that flow from it.
Rapalje & Lawrence is the most practically useful of the three for corpus research because it supplies case references. The New York cases (2 Johns. 248; 4 Johns. Ch. 228, 247; 6 Johns. Ch. 118; 2 Johns. Cas. 408) document the early American reception of the doctrine under both attainder and life imprisonment. The Watts (Pa.) 459 citation documents a limiting case—what the doctrine does not reach. This structure (affirmative instances plus limiting case) is the typical shape of the doctrine in American case law.
What the historical dictionaries do not address: the procedural mechanics by which courts treated a civiliter mortuus person's property interests, the effect on existing marriages, and the timing of restoration. Researchers needing those details must move beyond the dictionary entries to the underlying cases and to treatise discussions of civil death as a substantive doctrine.
Jurisdictional Note
The doctrine was never uniform across American jurisdictions. New York and early state courts following English common law recognized attainder and life imprisonment as bases for civil death; other courts drew the line differently. Many states abolished or curtailed civil death by statute during the twentieth century. Researchers should confirm whether a jurisdiction's civil death statute (if any) was in force at the relevant time.