You and your child’s other parent were never married. At some point a family court entered a final order — it established paternity, set custody and visitation, and ordered child support. You had a custody order before the marriage. Then something unusual happened: the two of you married each other.

You lived as a family for years. Now the marriage is ending. And nobody can tell you what happened to that first order.

Why a custody order before the marriage has no clean South Carolina answer

It is worth being direct about something. There is no South Carolina appellate decision squarely on this fact pattern. The leading treatise on South Carolina family law has no section on parents to a custody order marrying each other. The answer has to be assembled from adjacent authority, and parts of it are argument rather than settled law.

That is not a reason to avoid the question. It is a reason to handle it deliberately, and to make sure your divorce decree says out loud what everyone assumes.

Your paternity finding does not go away

Start with what is stable. An adjudication of paternity is treated as conclusive in South Carolina. Nobody relitigates it in the divorce, and nobody needs to. If you are working through how paternity was established in the first place, our post on how to establish paternity as an unwed father in South Carolina covers that ground.

One provision that often gets raised here is S.C. Code § 63-17-20(B), which says custody of a child born outside marriage is solely in the natural mother unless a court orders otherwise. In Purser v. Owens, 396 S.C. 531, 722 S.E.2d 225 (Ct. App. 2012), the Court of Appeals explained that this provision only clarifies where the parties stand when there is no court-determined custody order. It gives neither parent an advantage in an actual custody contest. In your situation it is doubly beside the point — a court order already exists, and the marriage changed your child’s legal status.

A custody order is not final the way a property order is

This is the pivot, and it cuts against most people’s intuition.

South Carolina has no rule that a custody order is conclusive as to the facts that existed when it was entered. The rule runs the other way. In McGregor v. McGregor, 255 S.C. 179, 177 S.E.2d 599 (1970), the Supreme Court held that an award of custody and the fixing of visitation rights is not final, and that changed circumstances may authorize a change in the future. The Court repeated that language in King v. Gardner, 274 S.C. 493, 265 S.E.2d 260 (1980).

Compare property division, where the law makes the apportionment final and the door closes. Custody is different by design, because children’s circumstances change.

So the prior order is live, enforceable, and modifiable. What it is not is void, merged, or automatically replaced. If you want it changed, you ask the court to modify it — showing circumstances have substantially changed since the original award and that the change affects your child’s welfare. Moss v. Moss, 274 S.C. 120, 262 S.E.2d 11 (1980), states that framework. Our post on whether custody and visitation awards can be modified in South Carolina walks through how that standard works in practice.

The marriage itself, the years you spent living as an intact family, and the divorce are exactly the kind of changed circumstances the test contemplates. But the case should be brought as a modification of the existing order, not filed as though the court were deciding custody for the first time.

Marrying your child’s other parent changed your child’s legal status

Here is the piece most people have never heard of. Under S.C. Code § 20-1-60, when the parents of a child born outside marriage later marry each other, the child becomes legitimate “as if born in lawful wedlock.” That happened automatically on your wedding day. Nobody had to file anything.

Why it matters: S.C. Code § 20-3-160, the statute that empowers a divorce court to make orders about children, speaks of “the children of the marriage.” Your child was born before the marriage. Section 20-1-60 is what bridges that gap.

Be careful here. That bridge is a sound argument, not a decided question. No South Carolina case has connected § 20-1-60 legitimation to the “children of the marriage” language in § 20-3-160, and § 20-1-60’s own text is aimed at legitimacy and inheritance rather than custody. Treat it as a position to be briefed, not a rule to rely on blindly.

The real trap: two orders on the same child

If there is one practical thing to take from this article, it is this. A later order does not silently supersede an earlier one.

The Court of Appeals made that point in Henderson v. Puckett, 316 S.C. 171, 447 S.E.2d 871 (Ct. App. 1994). A later order granting temporary custody to grandparents did not affect the father’s support obligation under an earlier decree, because the later order said nothing about support. The family court’s contrary conclusion was an error of law.

Apply that to your case. If your divorce decree does not expressly identify the earlier action by case number and state that it supersedes that order’s custody, visitation, and support provisions, you may walk out of the divorce with two facially valid orders about the same child. That is not an academic problem. It is the problem that surfaces when:

• —A school or doctor’s office asks which order controls
• —Law enforcement is called to an exchange and is handed two different documents
• —Someone files a contempt action and the other side argues the wrong order was violated
• —A support enforcement ledger is still running against an order everyone forgot about

The family court has authority to modify or vacate its own orders under S.C. Code § 63-3-530(A)(25), which the Court of Appeals has applied repeatedly. One limit is worth knowing in a divorce: that power does not extend to court-ordered property division, which becomes final. Custody, visitation and support are a different matter, and those are what is at issue here. The fix is straightforward, but only if somebody asks for it. Make sure your decree does.

Child support did not pause while you lived together

This one costs people money.

Most parents in this situation stopped paying support the day they moved in together. That is understandable, and it may also have created an arrearage. Under S.C. Code § 63-17-310, a modification is not effective as to any installment that accrued before the modification action was filed and served. Accrued installments vest. They do not evaporate because the parties married, and no court can retroactively forgive them.

South Carolina also does not treat informal, direct support as satisfying a support order — a point we cover in why direct child support payments don’t count. Living in the same house and paying the mortgage is not a credit against a support order that nobody moved to modify.

Before you finalize anything, find out whether that support ran through the clerk of court or a Title IV-D case. There may be a ledger showing an arrearage nobody has looked at in years.

What to do

• —Pull the old file. Get the actual order, with its case number and county. Read what it says about custody, visitation, and support.
• —Check the support ledger. Ask the clerk of court or the IV-D office whether an arrearage is showing.
• —Plead the divorce as a modification. Identify the prior action and ask the court to modify or vacate its custody, visitation, and support provisions.
• —Make the decree say so. The final order should expressly supersede the earlier one by case number. Do not leave it to inference.
• —Confirm where the first order came from. If it was entered in another state, a different jurisdictional analysis controls and that state may need to relinquish jurisdiction first.

Talk to a Charleston family law attorney

This is an unusual posture, and the fact that South Carolina law does not address it directly is exactly why it is worth handling carefully rather than assuming the divorce will sort it out. The cost of getting it wrong is two live orders and an arrearage nobody planned for.

Klok Law Firm handles South Carolina family law in Charleston, Mount Pleasant, Berkeley, and Dorchester counties. Call Klok Law at (843) 701-1695 to discuss your options.

Frequently asked questions

Did our marriage cancel the old custody order?

No. Nothing in South Carolina law makes a custody order disappear because the parents married each other. The order stays in force until a court modifies or vacates it, which is why your divorce decree needs to address it directly.

Is my child now considered a child of the marriage?

Your child became legitimate when you married, under S.C. Code § 20-1-60, “as if born in lawful wedlock.” Whether that makes the child a “child of the marriage” for purposes of the divorce court’s authority under § 20-3-160 is a reasonable argument but has not been decided by a South Carolina appellate court.

Do we start custody over from scratch in the divorce?

No. A prior order exists, so the court is being asked to modify it. You generally must show a substantial change in circumstances since that order that affects your child’s welfare. The marriage, the years together, and the divorce are the kind of changes courts consider.

I stopped paying support when we moved in together. Am I in trouble?

Possibly. Installments that accrued before anyone filed to modify the order are vested and cannot be retroactively forgiven under S.C. Code § 63-17-310. Check whether an arrearage is showing before your divorce is finalized.

What happens if the divorce decree never mentions the old order?

You may end up with two valid orders about the same child, which creates real problems for schools, law enforcement, and any later enforcement action. Ask the court to expressly supersede or vacate the earlier order.

This article is for general information only and is not legal advice. This situation is unusual and South Carolina law does not address it directly, so the outcome depends heavily on the wording of your existing order and the facts of your case. For advice about your specific situation, contact Klok Law at (843) 701-1695.