Definition
A contingent remainder is a future interest in real or personal property that is created in a grantee but cannot take effect — and may never take effect — because it is limited either to an unascertained person or upon a condition that may not occur. Unlike a vested remainder, which is ready to become possessory the moment the prior estate ends, a contingent remainder awaits the resolution of an uncertainty before it can do so.
Two distinct forms of contingency trigger this classification:
1. Uncertainty of person. The remainder is given to someone who cannot yet be identified — a person not yet born, not yet ascertained, or whose identity depends on a future event (e.g., "to the children of A," when A has no children at the time of the grant).
2. Uncertainty of condition. The remainder is given to an identified person but is conditioned on an event that may or may not happen before the prior estate terminates (e.g., "to B, if B reaches the age of 25," when B is currently 18).
In either case, no present interest passes to the remainder holder. The grantor's prior estate — the particular estate — may expire before the contingency resolves, in which case the remainder fails entirely and the property reverts.
---
Common Language
Wiktionary: "An interest in property that is owned by a party that can not be identified until the interest vests."
This captures only one of the two recognized forms of contingency (uncertain person) and omits the second equally recognized form (uncertain condition). A remainder can be contingent even when the holder is fully identified — if their right to possession depends on a condition precedent that may never occur. Researchers relying on the common definition alone will misclassify condition-based contingent remainders.
---
Common Confusion
CONTINGENT REMAINDER vs. VESTED REMAINDER SUBJECT TO DIVESTMENT. Both involve some possibility that the remainder holder will not ultimately enjoy possession, but the distinction is structural and consequential. A vested remainder is one given to an ascertained person with no condition precedent standing between them and possession — even if a subsequent condition could strip it away. A contingent remainder has a condition precedent that must be satisfied before the right to possession arises at all. The difference matters for destructibility, alienability, and Rule Against Perpetuities analysis. Historical sources sometimes blur this line; modern property law treats it as dispositive.
CONTINGENT REMAINDER vs. EXECUTORY INTEREST. Both are future interests that depend on uncertain events, but they operate differently and arise in different drafting contexts. An executory interest cuts short a prior interest or springs from the grantor; a contingent remainder follows naturally upon the termination of a prior particular estate. The rise of uses and the Statute of Uses (1536) created executory interests as a functional workaround when contingent remainders were vulnerable to destruction — a critical distinction for any researcher working with pre-twentieth-century conveyancing instruments.
---
Core Elements
A remainder is contingent when it meets either or both of the following:
Condition Precedent. A condition must be satisfied before the remainder can vest. This distinguishes a contingent remainder from a vested remainder subject to divestment, where the condition operates after vesting to defeat an already-established right.
Unascertained Remainder Holder. The person (or class) to take cannot be identified at the time of the grant. This includes unborn persons, unnamed classes, and persons whose identity depends on a future event.
Particular Estate Dependency. A contingent remainder requires a prior supporting estate (the particular estate) to be in existence. If that estate ends — whether by expiration, forfeiture, or merger — before the contingency resolves, the remainder is destroyed under the traditional common law rule of destructibility. Modern law in most U.S. jurisdictions has abolished this rule.
---
Recognized Forms
/SUBTYPES
Remainder to an Unborn Person. The classic contingent remainder: a grant to a grantee not yet in existence, whose birth is the contingency.
Remainder to an Unascertained Person. The taker exists but cannot yet be identified (e.g., "to the eldest surviving child of A at A's death").
Remainder on a Condition Precedent. The taker is identified but cannot take possession unless and until a specified condition occurs before or at the moment the prior estate ends.
Remainder in an Alternative Contingency. Two contingent remainders may be created in the alternative so that one vests if a condition occurs and the other vests if it does not — a drafting device used to ensure that one of the two resolves into a vested interest.
---
Why It Matters in Research
The contingent remainder is one of the most heavily litigated concepts in the history of Anglo-American property law, and its treatment has shifted substantially across centuries. Researchers face several traps.
Destructibility. At common law, a contingent remainder was destroyed if the particular estate terminated before the contingency resolved. This doctrine — the Rule of Destructibility of Contingent Remainders — was a live concern in English and early American cases. Most U.S. jurisdictions abolished it by statute during the nineteenth and twentieth centuries, but it applies in full force to instruments governed by pre-abolition law. Reading an older case without knowing whether destructibility was in force can invert the outcome.
Rule Against Perpetuities. Contingent remainders are subject to the common law Rule Against Perpetuities: a contingent remainder is void unless it must vest, if at all, within a life in being plus twenty-one years. Vested remainders are not subject to the Rule in the same way. This makes the vested/contingent distinction one of the highest-stakes classifications in property research. Modern reforms — the Uniform Statutory Rule Against Perpetuities, wait-and-see statutes, and USRAP's ninety-year savings period — have changed the analysis significantly, but the common law rule governs instruments created before reform.
Alienability and Creditor Access. At common law, contingent remainders were generally not alienable by the holder and were beyond the reach of creditors. This changed unevenly across jurisdictions and over time. An instrument's date and governing jurisdiction determine which rule applies.
Corpus Connections. The contingent remainder is the conceptual foundation for understanding executory interests, the Rule Against Perpetuities, and the modern law of future interests. Research on any of those topics will require fluency with this term. Documents drafted prior to the widespread use of revocable trusts often used contingent remainders to achieve the same succession-planning goals now accomplished through trust instruments — cross-referencing trust law sources is often productive.
---
Historical Dictionary Support
Black's, Bouvier's, and Burrill's converge almost verbatim on the foundational definition, all tracing to Blackstone's Commentaries, Book II, at page 169. The uniformity is notable: these dictionaries are not independently theorizing but transmitting a settled common law formulation that had crystallized by the late eighteenth century.
Burrill adds useful texture, specifying that the contingency may attach to a person "not in esse, or not ascertained" — language that maps onto the two-form framework described above. Bouvier and Black's reproduce the observation that "the particular estate may chance to be determined and the remainder never take effect," which is the most consequential practical consequence of the classification.
What the historical dictionaries do not address: the abolition of destructibility, the reform of the Rule Against Perpetuities, the rise of the Restatement (Third) of Property's treatment of future interests, or the displacement of contingent remainders by trust-based instruments in modern practice. Researchers using these dictionaries to understand modern doctrine should treat them as authoritative on structure and origin, not on current law.
---
Jurisdictional Note
The Rule of Destructibility of Contingent Remainders has been abolished by statute in most U.S. states, but a small number retain some form of it. The Rule Against Perpetuities has been modified or abolished in a substantial number of jurisdictions, including Delaware, South Dakota, and Alaska, which permit dynasty trusts of indefinite duration. Instruments should be analyzed under the law of the jurisdiction governing the conveyance at the time it was made.
---
Encyclopedia Cross-Reference
Primary: Future Interests — Remainder (Vested, Contingent, Subject to Open), The Law Mind Property Law Encyclopedia
The entries in The Law Mind Real Estate Transactions & Construction Encyclopedia (Contingencies — Financing, Inspection, Appraisal, and Title Contingencies) and The Law Mind Contracts & Commercial Law Encyclopedia (Real Estate Purchase Agreements and Contingencies) address transactional contingencies in contract and real estate law — a distinct concept sharing only a word with the property law doctrine covered here.
---