Definition
In law, *spiritual* describes matters, persons, institutions, or jurisdiction belonging to the religious or ecclesiastical sphere, as opposed to the secular, temporal, or civil. The term functions primarily as a modifier distinguishing ecclesiastical affairs from lay or worldly ones.
Its legal meaning is narrow and institutional compared to its broad theological and philosophical uses in ordinary language. The core legal applications are:
1. *Spiritual courts* — ecclesiastical tribunals exercising jurisdiction over matters of church discipline, clerical conduct, marriage (historically), tithes, and testamentary affairs involving church property. In England, these were the courts of the Church of England, operating in parallel with the common law courts.
2. *Spiritual lords* — the bishops and archbishops sitting in the House of Lords by virtue of their ecclesiastical office, distinguished from the temporal lords (peers of the realm). The Lords Spiritual remain a feature of the UK Parliament today.
3. *Spiritual corporations* — bodies created for religious or ecclesiastical purposes, such as a dean and chapter, a rectory, or an abbey. Contrasted with lay or temporal corporations. The distinction carried significant consequences for the rules governing property, succession, and dissolution.
4. *Spiritual person* — historically, a member of the clergy or a person holding an ecclesiastical office. Used to determine applicable law, forum, and legal capacity in contexts where church law and common law divided jurisdiction.
---
Common Language
*Modern common usage (Wiktionary):* Of or pertaining to the spirit or the soul; of or pertaining to God or a place of worship; sacred, pure; not material; incorporeal; of or relating to the higher endowments of the mind.
*Historical common usage (Webster's 1913):* Consisting of spirit; not material; incorporeal. Of or pertaining to the intellectual and higher endowments of the mind; mental; intellectual. Reaching and affecting the moral feelings or states of the soul, as distinguished from external actions.
Both ordinary usages emphasize inner life, soul, and the non-material — concepts that are individual, subjective, and theological. The legal meaning is none of these things. In law, *spiritual* is an *institutional* and *jurisdictional* term. It says nothing about belief, inner experience, or the supernatural; it identifies a category of persons, courts, property, and affairs falling under ecclesiastical rather than civil authority. A researcher who brings the common meaning to historical legal sources will consistently misread the term.
---
Common Confusion
*Spiritual* vs. *Religious* in legal contexts: Modern law tends to use *religious* as the operative adjective (religious corporation, religious freedom, religious organization). *Spiritual* in this modern sense has largely receded to theological or colloquial usage. In historical sources — particularly English legal materials through the nineteenth century — *spiritual* was the precise term of art, and *religious* carried different and sometimes narrower connotations (often referring specifically to members of religious orders). Treating these as interchangeable when reading historical sources will produce errors.
*Spiritual* vs. *Ecclesiastical*: These terms substantially overlap in historical legal usage and are often used interchangeably. However, *ecclesiastical* tends toward institutional church structure (offices, governance, property), while *spiritual* emphasizes the jurisdictional boundary between church and state authority. The distinction matters most when analyzing which forum had cognizance of a dispute.
---
Why It Matters in Research
The term is almost invisible in modern American legal sources, which makes it a trap for researchers working backward through history. Its importance is concentrated in three areas:
*English legal history and reception:* Most of the significant legal content behind *spiritual* — spiritual courts, spiritual lords, spiritual corporations — is English. American law received these categories selectively. Understanding which English ecclesiastical doctrines crossed the Atlantic (and which did not) is essential for American legal history research. Marriage law, testamentary jurisdiction, and charitable trust doctrine all carry traces of the spiritual/temporal divide.
*Property law and charitable trusts:* Spiritual corporations held property under rules that differed from lay corporations in important respects, including rules on perpetual succession and mortmain. When researching the history of charitable trusts, nonprofit corporations, or church property disputes, sources will invoke *spiritual* in this technical property-law sense.
*Primary source navigation:* In digests and indexes organized by the spiritual/temporal distinction — particularly English digests and early American compilations drawing on English models — entries under *spiritual* will not be where a modern researcher thinks to look. Material on ecclesiastical courts, church discipline, tithes, and clerical capacity may be indexed under *spiritual* rather than *church*, *ecclesiastical*, or *religion*.
*Constitutional church-state research:* The First Amendment Establishment and Free Exercise clauses are the modern American framework for spiritual/temporal questions, but they replaced rather than incorporated the English jurisdictional system. Researchers tracing the intellectual history of church-state separation will encounter *spiritual* as the pre-constitutional vocabulary for the boundary the First Amendment eventually redrew.
---
Historical Dictionary Support
Black's Law Dictionary (2nd Ed.) is straightforward: *spiritual* means relating to religious or ecclesiastical persons or affairs, distinguished from secular, lay, worldly, or business matters. Black's cross-references *Spiritual Corporation*, *Spiritual Courts*, and *Spiritual Lords* as the principal compound terms, signaling that the word's legal weight is carried in those compounds rather than standing alone.
Rapalje & Lawrence provide a date reference (1211) without extended definition, consistent with their treatment of terms that were understood as established in the common law tradition and required little elaboration for a professional audience. The date likely gestures toward the deep medieval roots of ecclesiastical jurisdiction in English law — the period of formative conflict and settlement between crown and church.
Neither dictionary addresses what modern researchers most need to know: that the term's operational domain in American law contracted sharply after the colonial period, and that by the time these dictionaries were compiled, *spiritual* was already more historical than active in American practice. Neither source distinguishes the term's American fate from its continued vitality in English law. Historical sources that predate this divergence must be read with that trajectory in mind.
---
Jurisdictional Note
In English law, the spiritual/temporal distinction remained institutionally active through the nineteenth century and has residual constitutional significance today (Lords Spiritual). In American law, the absence of an established church meant that *spiritual* as a jurisdictional term never took root at the federal level and faded at the state level after independence. Researchers working in early American state materials — particularly those of states with strong colonial Anglican establishments (Virginia, South Carolina, Maryland) — will encounter *spiritual* in sources before and shortly after independence, but the category was not carried forward intact.
---