Deed, mortgage, title: what's the difference?
They are three separate things, and a divorce can change one without changing the others. The deed says who owns the house. The mortgage says who owes the debt. Title is the ownership status the deed records. You can be on any one of them without being on the rest.
Almost every confusing question about the house in a divorce comes from these three being treated as one.
What each one actually is
The deed is the document that transfers ownership, and it is filed with the county. Your name on the deed means you own an interest in the property.
Title is the ownership itself, the bundle of rights the deed reflects. In practice people use "on the title" and "on the deed" to mean the same thing, and for divorce purposes that is close enough.
The mortgage is the security instrument, the document pledging the house as collateral, called a deed of trust in some states. The promise to pay lives in a separate document, the promissory note. That distinction matters more than it sounds: a spouse can be asked to sign the mortgage purely to release a state-law homestead right, without signing the note and without owing anything. If you are trying to work out whether you are liable for the debt, the question is whether you signed the note.
The four combinations, and what each one means
On both. You own an interest and you owe the debt. The ordinary case.
On the deed but not the mortgage. You own an interest in a house you are not liable for. Comfortable in one direction, but if the borrower stops paying, the lender can foreclose on the property you partly own.
On the mortgage but not the deed. The worst of the four, and more common than you would think. You are liable for a debt on a house you do not own. It appears on your credit report, it counts against you when you apply for anything else, and you have no ownership claim to show for it.
On neither. You may still have a marital claim. Which is the next point, and the one that surprises people most.
The part that catches people out
Whose name is on the paperwork does not decide what happens in the divorce.
Marital property rules look at when and how something was acquired, not whose name got written down. A house bought during the marriage is generally marital property in some proportion even if only one spouse is on the deed. Equally, being on the deed does not guarantee you keep an equal share of a house that was bought before the marriage or inherited.
So "it's in my name" is not the argument people think it is, in either direction.
The one a court cannot fix
Here is the asymmetry that matters most. A divorce court can order the deed changed. It cannot rewrite the mortgage.
A judge can order your spouse to sign the house over to you, and if they refuse there are enforcement tools. But your lender was not a party to your divorce and is not bound by the decree. The usual ways off a mortgage are refinancing, selling, or a lender-approved assumption, but they are not the only ones. A payoff works, and on a VA loan a spousal release can work with the decree plus a recorded quitclaim and no assumption at all. FHA can process a divorce assumption without a credit review where the spouse keeping the house is still living in it and has made the payments for at least six months, and a spouse who moved out does not fit that. The CFPB has specifically criticized servicers for pushing people toward a refinance when an assumption was available, so ask about assumption before accepting that a refinance is the only door.
It is also why signing a quitclaim deed before the refinance closes is the worst combination available: you give up the ownership and keep the debt. That is why a decree awarding the house to one spouse can still leave the other on the loan for years. What happens when your ex won't refinance covers what to do when that is where you have landed, and what happens to the house covers the decision itself.
What to check right now
Pull your credit report, which is free, and see which mortgages list you as a borrower. Then find the deed, which is a public record at your county recorder. The answers are often not what people assume, and it is much better to learn it now than during a negotiation.
How a house is characterized and divided varies substantially by state, particularly between community-property and equitable-distribution states, and a signature on a deed can carry consequences that are difficult to reverse. Have any transfer reviewed by a licensed family-law attorney before you sign it.