No, Delaware does not recognize common law marriage. Couples cannot become legally married in Delaware simply by living together, regardless of how long the relationship lasts or how closely it resembles a traditional marriage.
This often surprises long-term partners who share homes, finances, or children. Delaware law draws a clear boundary between marriage and cohabitation. Below is a full, lawyer-style explanation of how common law marriage works, why Delaware does not allow it, and what unmarried couples should understand to avoid serious legal consequences.

How Marriage Is Defined in Delaware
Delaware follows a formal statutory model of marriage. A marriage exists only when the legal requirements set by the state are satisfied.
To be legally married in Delaware, a couple must:
- Obtain a valid marriage license
- Meet eligibility requirements under state law
- Have the marriage properly solemnized
If these steps are not completed, Delaware law does not recognize the relationship as a marriage—no matter how committed or long-standing the partnership may be.
Delaware has consistently followed this approach and has never allowed new marriages to form informally.
Understanding Common Law Marriage (Delaware Perspective)
Common law marriage is built on the idea that marriage can arise from shared intent and lived reality, rather than from government paperwork. In states that accept this concept, courts examine whether a couple meant to be spouses and behaved that way consistently in public and private life.
Delaware rejects this idea entirely. The state treats marriage as a legal status that must be deliberately created, not something that develops gradually through conduct or assumption. In Delaware, intent alone—no matter how sincere—cannot substitute for legal compliance.
Why Delaware Does Not Recognize Common Law Marriage
Delaware’s position is rooted in legal clarity and predictability.
By requiring formal marriage procedures, the state avoids:
- Disputes over whether a marriage ever existed
- Conflicts over property and debt ownership
- Uncertain claims for spousal support
- Complex inheritance litigation
Without clear documentation, courts would be forced to reconstruct personal relationships after breakups or deaths. Delaware law avoids that uncertainty by requiring official proof of marriage from the start.
Common Misunderstandings About Marriage in Delaware
Many couples rely on assumptions that simply are not true under Delaware law.
1. Living together for many years
Time has no legal effect
2. Calling each other husband or wife
Titles and social labels do not create marriage
3. Sharing bank accounts or property
Financial integration does not equal marital status
4. Raising children together
Parenthood does not transform a relationship into a marriage
Even if friends, family, or the community view a couple as married, Delaware law will not—unless the legal steps were taken.
What Happens When Unmarried Couples Separate?
Because Delaware does not recognize common law marriage, the end of an unmarried relationship is not a divorce.
Property Ownership
Delaware’s marital property rules apply only to legally married couples. For unmarried partners:
- Property belongs to whoever owns it or paid for it
- Jointly owned property is divided based on ownership interests
- There is no presumption of equal division
No Right to Alimony
Spousal support is available only after a legal marriage. Unmarried partners generally cannot claim financial support after separation.
Children and Parental Rights
Child custody and child support are handled separately from marriage law. Parental rights and obligations exist regardless of marital status.
Inheritance and the Death of a Partner
This is where misunderstandings become most damaging.
If one partner dies without a will:
- The surviving unmarried partner does not automatically inherit
- Assets pass to legal heirs such as children or blood relatives
Even decades of cohabitation do not create inheritance rights in Delaware without proper estate planning.
Recognition of Out-of-State Common Law Marriages
Delaware will recognize a common law marriage if it was validly formed in another state that allows such marriages.
Important limitations apply:
- The marriage must meet the legal requirements of the state where it was created
- Simply living together in Delaware does not create or validate a common law marriage
This situation commonly affects couples who relocate from states that still recognize common law marriage.
Legal Alternatives for Unmarried Couples in Delaware
Since common law marriage is not an option, couples must plan intentionally if they want legal protection.
Cohabitation Agreements
These contracts can define:
- Property ownership
- Financial responsibilities
- How assets are divided if the relationship ends
Courts generally enforce clear and voluntary agreements.
Estate Planning
Unmarried couples should strongly consider:
- Wills
- Beneficiary designations
- Powers of attorney
Without these documents, a surviving partner may have no legal standing.
Why This Matters More Than Most People Expect
Many legal disputes arise because couples assume they are “basically married.” In Delaware, that assumption can lead to:
- Loss of property
- No inheritance rights
- No financial protection after separation
The law does not question commitment—it enforces procedure.
Final Takeaway
There is no common law marriage in Delaware.
Living together, sharing finances, raising children, or presenting yourselves as spouses does not create a legal marriage under Delaware law. Without a marriage license and proper legal steps, couples remain unmarried—regardless of how long the relationship lasts.
Delaware may recognize a valid common law marriage formed in another state, but it does not allow new ones to form within its borders.