How to address Christmas cards: couples, families, titles, and plural names

How to address a Christmas card envelope

Address the front of the envelope, with the writing parallel to the long edge. USPS asks that the delivery address and the return address go on the same side, with your return address in the upper left corner and the stamp in the upper right. The recipient’s address goes in the lower middle. Write so it’s legible from arm’s length, in dark ink, and USPS prefers no commas or periods in the address.

The recipient block is three lines for most homes: names, street address (with any apartment or unit number at the end), then city, state, and ZIP Code together on the last line. The full USPS rules, including where apartment numbers and ZIP+4 go, are in our envelope guide.

• How to address an envelope (full USPS format)
• How to write an apartment address

Name-line formats for couples, families, and titles

The name line is where holiday card etiquette lives; USPS only needs a name it can match to the address. Formal versions follow the Emily Post Institute’s forms of address; the casual versions are fine for nearly every Christmas card. When you know how someone prefers to be addressed, that preference beats everything in this table.

• Emily Post Institute: Guide to addressing correspondence

How to address an envelope to a married couple

“Mr. and Mrs. Daniel Kim” is the traditional form for a couple who share a last name and where she uses his name socially. Using both first names, “Grace and Daniel Kim” or “Daniel and Grace Kim,” is the modern informal version and the most common choice for Christmas cards. The Emily Post Institute says the order of the names no longer matters, with one exception: when one spouse outranks the other, for example through elected office, military rank, or a doctorate, that person’s name goes first.

If a wife uses Ms., write each name in full: “Ms. Grace Kim and Mr. Daniel Kim.” The Institute specifically calls “Mr. and Ms. Daniel Kim” incorrect, because Ms. shouldn’t be attached to the husband’s first name. For spouses with different last names, list both full names, in either order, on one line. If the line runs long, put the second name on the next line starting with “and”: “Ms. Grace Park” then “and Mr. Daniel Kim.”

For an unmarried couple who live together, the Institute uses both full names on one line, joined by “and” or an ampersand. For two married men, it suggests asking whether they prefer “Mr. and Mr. Lee” or “the Messrs. Lee.” For any couple, simply writing both first names and the shared surname, or both full names, is always correct.

Titles: doctors, judges, military ranks, and Esq.

A doctor (medical or PhD) keeps the title on social mail: “Dr. Jane Kelly and Mr. John Kelly.” When both spouses are doctors and share a name, the Emily Post Institute gives “The Doctors Kelly” or “Drs. Jane and John Kelly.” Judges and elected officials are “The Honorable” followed by the full name; the Institute’s form for a federal judge’s letter address is “The Honorable [full name].” Paired with a spouse, the title holder is listed first: “The Honorable Jane Kelly and Mr. John Kelly.”

For the military, the Institute addresses colonels, generals, and admirals by those titles, and the same rank-first rule applies to a couple: “Colonel Jane Kelly and Mr. John Kelly.” Spell the rank out on a social envelope. If the card is going to an APO, FPO, or DPO address, the address lines follow special USPS rules covered in our envelope guide.

Professional letters after a name are for business mail. The Institute says “Esquire” and designations like CPA aren’t used socially, so a Christmas card to a lawyer friend goes to “Ms. Jane Kelly,” not “Jane Kelly, Esq.” “Mx.” is a gender-neutral title anyone can use.

• Emily Post Institute: Military titles
• What does Esq. mean?

How to address Christmas cards to a family

Can you put “family” on an envelope? Yes. “The Kim Family” and “Mr. and Mrs. Daniel Kim and Family” are both widely used on holiday cards, and USPS delivers by address, so either reaches the house. “The Kims” works too, as long as it has no apostrophe.

The most formal option names everyone. For invitations without an inner envelope, the Emily Post Institute writes the children’s names on the outer envelope on a line below their parents’ names. A Christmas card that greets every child by name is a nice touch for families you’re close to; “and Family” is the practical choice for a long list.

When parents have different last names, avoid picking one surname for the household. Write both parents’ full names and add “and Family,” or list everyone. For a single parent, “Grace Park and Family” covers the household; if the children share her last name, “The Park Family” does too. Save “Aunt Martha and Uncle Bill” for the greeting inside the card; the Institute treats familiar names like these as fine on an inner envelope, while the outer envelope uses real names.

• Formal, children named: Mr. and Mrs. Daniel Kim / Mia and Leo Kim (second line)
• Standard: Mr. and Mrs. Daniel Kim and Family
• Casual: The Kim Family
• Shortest: The Kims
• Different last names: Grace Park, Daniel Kim, and Family

Plural last names on envelopes: Smiths, Joneses, Martinezes

How do you write last names correctly on Christmas cards? Make them plural, never possessive. Merriam-Webster’s rule: add -s to most last names (the Smiths, the Kims) and -es when the name ends in s or z (the Joneses, the Martinezes). Names ending in y keep the y and add -s (the Kennedys). An apostrophe only belongs when the family owns something, as in “the Smiths’ house,” which never comes up on an envelope.

If a plural looks awkward, write “The [Name] Family” instead. It is just as correct and needs no apostrophe.

• Merriam-Webster: Plural and possessive names

Addressing widows and divorced or separated friends

For a widow, the Emily Post Institute says “Mrs. Daniel Kim” is the traditional form and the one to use if you don’t know her preference, while “Mrs. Grace Kim” and “Ms. Grace Kim” are also correct. Its newer guidance urges extra care: the first holidays after a death are hard, so if you can, ask a close friend or family member what she prefers, or check how she was named in the obituary, and honor that.

A divorced woman doesn’t use her former husband’s first name. The Institute lists “Mrs. Grace Kim,” “Ms. Grace Kim,” or “Ms. Grace Park” (her birth surname) as options and says the choice is entirely hers. For a friend who is separated but not divorced, use whatever name she has told you she’s using. Plain first and last names, with no title, are always a safe fallback.

• Emily Post Institute: Ms., Miss, or Mrs.

Where to put the return address on a Christmas card

Put it in the upper left corner of the envelope front. Many people put return-address labels on the back flap of greeting cards, but USPS asks that the delivery and return addresses be on the same side, and says a return address is required on most mail. A return address is also how an undeliverable card finds its way back to you instead of disappearing.

The name in your return address can be as casual as you like: “The Riveras” or “Sam and Jordan Rivera” followed by your street address and your city, state, and ZIP Code.

• Can you mail a letter without a return address?

How much postage does a Christmas card need?

A standard rectangular card in an envelope that weighs 1 ounce or less takes one Forever stamp, $0.82 at USPS retail prices effective July 12, 2026 (unchanged in the October 4, 2026 price list). Each additional ounce adds $0.29, so a thick card with a photo insert or a long family letter may need more.

Square envelopes cost more. USPS treats a letter as nonmachinable when its length divided by its height is less than 1.3, and a square envelope is 1.0, so it pays a $0.49 nonmachinable surcharge: $1.31 for a 1-ounce square card. The same surcharge applies to cards with clasps, strings, or buttons and to cards too rigid to bend. Letter-size mail must also be at least 5 inches long and 3 1/2 inches high, so tiny gift-tag cards can’t go on their own.

• Square envelope postage
• How much does it cost to mail a letter?
• Standard envelope sizes

Holiday postcards don’t need an envelope

A Christmas postcard is addressed on its back: the message goes on the left half and the recipient’s name and address go on the right half, with your return address in the upper left corner and the stamp in the upper right. The same name-line rules apply, so “The Kim Family” or “Grace and Daniel Kim” goes on the first line.

USPS’s retail postcard price, $0.65, covers rectangular cards from 3.5 × 5 to 4.25 × 6 inches. Larger cards, such as 5 × 7 photo cards, pay letter postage. Remember that a postcard is open to anyone who handles it, so keep private details off it.

• How to address a postcard
• How much is a postcard stamp?

When to mail Christmas cards in 2026

USPS recommends mailing First-Class Mail by Thursday, December 17, 2026, for expected delivery before Christmas within the contiguous United States. That is the last recommended day, not the ideal one; mailing in early December leaves time to fix an address if a card comes back.

If you miss it, the season isn’t over. The Emily Post Institute says cards are usually sent anytime from Thanksgiving until a couple of weeks into the new year, and a New Year card is a graceful option for latecomers.

• USPS holiday mailing deadlines for 2026

Christmas card addressing checklist

Run through this before you seal and stamp the stack.

• No apostrophes in family names: the Smiths, the Joneses, the Martinezes.
• Names are current: new spouses, new babies, divorces, and anyone who has died since last year.
• Every apartment, suite, or unit number is on the street line.
• City, state, and ZIP Code sit together on the last line.
• Your return address is in the upper left corner of the front, not only on the back flap.
• Square or embellished cards carry $1.31, not $0.82.
• Cards go out well before December 17 for delivery before Christmas.

Send a Christmas postcard without addressing an envelope

IRIS prints and mails Christmas postcards for you. Choose a design on the Christmas postcards page (a blue botanical wreath, a cozy mantel, or a snowy village) or upload your own photo, type your message and signature, then enter the recipient’s name and US address in labeled fields. The Name or company field holds up to 40 characters, which fits “Mr. and Mrs. Daniel Kim and Family.” IRIS prints your return address and the recipient’s address on the card, and postage is included in the price.

A 4 × 6 or 5.5 × 4.25 postcard costs $3.49 and a 6 × 9 or 8.5 × 5.5 postcard costs $4.49, including full-color printing and First-Class postage. Each order goes to one US recipient, there is no address-list upload, and you can’t schedule a send date, so order in time for USPS’s December 17 First-Class Mail date. Sending holiday mail in volume? Contact IRIS about it instead of placing dozens of single orders.

• Christmas postcards
• All holiday postcards
• Volume mailing inquiries