Do I need a birth certificate or marriage certificate when traveling as a family?
Usually your passports are enough. Carry a birth certificate when you need to prove a parent-child link, and a marriage certificate mainly when surnames differ.
Updated
What a passport already proves
A passport proves who you are and which country you belong to. It does not prove who your parents are, or who you are married to. Birth and marriage certificates fill that gap, and that is the only reason to carry them.
When you book a family room on trip1 the confirmation names the lead guest and the number of guests. Hotels check photo ID for the adults rather than family paperwork, so the certificates matter at the airport and the border, not at the front desk.
When a birth certificate helps
- The child's surname differs from the travelling parent's, after a divorce, a remarriage, or where the family uses both parents' names.
- Only one parent is travelling with the child, which is usually also when a consent letter is needed.
- An airline or hotel is applying an age-based rate or a free-infant policy and wants proof of the child's age.
- The destination advises it. South Africa, for example, no longer asks children from visa-exempt countries such as the US, UK and EU for extra documents when they travel with both parents, but strongly advises a birth certificate, which can be a copy, when only one parent travels.
Carry a certified copy rather than the original where the destination allows it, so a lost bag does not cost you the only copy. Keep a photo on your phone as a further backup.
If your child travels with one parent, pair the certificate with a signed consent letter. Our guide to child travel consent letters and notarization covers what that letter needs to say.
When a marriage certificate helps
A marriage certificate is not an entry document anywhere in ordinary tourist travel. Nobody at passport control asks married couples to prove it. It matters in a few narrower situations.
- You have different surnames and are applying for a visa as a spouse or a dependant.
- You are travelling somewhere where unmarried couples sharing a room can be a legal issue, which is worth checking for a small number of destinations.
- Something goes wrong abroad and you need to be recognised as next of kin at a hospital or by an insurer.
- Your travel insurance covers you as a couple on one policy and the insurer asks for proof when you claim.
Hotel check-in with children
Hotels ask for photo ID from the adults and rarely ask anything about the children. Where a hotel does ask about a child, it is normally to confirm ages for occupancy limits, extra beds or a children-stay-free rate, not to verify the family relationship.
Some countries require hotels to register every guest with the police, children included. Bring the children's passports to check-in in those places even if nothing else is requested.
A hotel may ask the adult checking in for a payment card to cover incidentals such as the minibar. That is the hotel's own policy and separate from how the room itself was paid for.
Different surnames, in practice
Different surnames within a family are common and usually cause no trouble at all. Where a problem appears, it is at the airline desk or the immigration counter rather than the hotel.
One page in your bag turns a slow conversation into a quick one: a birth certificate copy linking you to your child, or a marriage certificate copy explaining why your surname changed.
You will most likely never be asked. The cost of carrying it is a sheet of paper, and the cost of not having it is a missed flight.
Birth and marriage certificates for travel - FAQ
Usually not, because your child's passport proves who they are. Carry a birth certificate, or a certified copy, when you may need to prove you are the parent: when your child has a different surname, when only one parent is travelling, or when the destination asks for it. Keep a photo of it on your phone as a backup.
US citizen children need their own passport for international flights, plus any visa or travel authorisation the destination requires. When only one parent is travelling, carry a signed consent letter from the other parent, which US Customs and Border Protection recommends having notarized. A copy of the birth certificate helps when your surnames differ.
No. A birth certificate is not on TSA's list of acceptable ID, so an adult cannot use one to get through airport security. Children under 18 do not need to show any ID when flying within the United States with an adult. For international flights, every US citizen, including babies, needs their own passport.
No. A marriage certificate is not an entry document for ordinary tourist travel, and passport control does not ask couples to prove they are married. A copy helps if you have different surnames and are applying for a spouse visa, need to be recognised as next of kin in a hospital, or claim on a joint travel insurance policy.
Carry a copy of your child's birth certificate showing you as the parent. Different family surnames are common and rarely cause trouble, but if an airline or immigration officer asks, one page answers the question in seconds. If you changed your own surname through marriage, a copy of the marriage certificate explains the link.
Not always for visitors. Since December 2018, children from visa-exempt countries such as the US, UK and EU travelling with both parents need no extra documents. When one parent travels alone, or surnames differ, South Africa strongly advises carrying a birth certificate naming the parents plus a consent letter. Copies are accepted. Check the Department of Home Affairs site before you go.