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ThuJul 24

National Cousins Day – July 24, 2025

National Cousins Day falls on the calendar every July 24 and is the perfect day to send some love to those family members we call cousins. Whether they were our first best friend or first antagonist, cousins are the people who made family get togethers fun – or at least more tolerable and less awkward – when we were kids. Whether close cousins or distant cousins, friends or foes, those of us who are lucky enough to still have cousins around should think about celebrating them today.

When is National Cousins Day 2025?

The two-in-one family and best friend bond is celebrated on National Cousins Day on July 24.

History of National Cousins Day

Exactly when National Cousins Day made its way onto our modern-day calendar is a mystery. What we do know is that cousins have been keeping families connected for a long time.

American families have been coming together for reunions since the first settlers left the safety of the colonies and headed west to find fame, fortune, and more importantly, land. As one generation passed the baton of keeping extended family connected onto the next generation, cousins became the guardians of family ties.

Even in families who no longer gather for regular reunions, cousins tend to reach out to each other later in life and revisit the shared memories of being family. If your cousins are like brothers and sisters or you became best friends growing up, staying in touch with them may not require a special day on your calendar. If you’re from a small family or one where the wanderlust gene is dominant and you’re not quite sure where all your cousins wandered off to years ago, celebrating cousinship takes a little more effort. It may take circling National Cousins Day on your calendar every year as an excuse to say hello to the cousins of your youth.

However, revisiting a family member you haven’t seen since you both were forced to sit at the kids’ table is always an interesting and nostalgic reunion. You get to see where your lives took you, the families you’ve created, the careers you’ve gone after, and the faces you’ve aged.

National Cousins Day timeline

1875
Eight Cousins

Louisa May Alcott published her novel titled “Eight Cousins.”

1990
Flipped, turned upside down

Will Smith’s “Fresh Prince of Bel Air” debuted on NBC, about a young man who moves in with his aunt, uncle, and cousins.

2009
Me and My Cousins

Indie Band, Vampire Weekend, released their popular single called “Cousins.”

2019
Hello, neighbor

Tom Hanks, who played Mister Rogers in the 2019 film, “A Beautiful Day in the Neighborhood,” learned that he and Mister Rogers are 6th cousins.

Traditions of the Day

Blessed are those who have cousins that double as best friends. Cherish this bond on National Cousin Day! Head out, have adventures, dine at your favorite eatery, or just be yourself and laze around your room with them, because cousins are among the few people who you can completely be yourself around. 

If you have memorable photographs from your childhood with your cousin squad, consider re-enacting and snapping a new one with the same poses and similar outfits, and share it on social media! 

By the Numbers

25 – the number of U.S. states in which it is illegal to marry your first cousin.

1650-1850 – during this time the average married couple was fourth cousins.

0.20% – the percentage of DNA shared by fourth cousins.

0.78% – the percentage of DNA shared by third cousins.

3.13% – the percentage of DNA shared by second cousins.

12.5% – the percentage of DNA shared by first cousins.

5 – the number of first cousins the average British person has.

1,570 – the number of fourth cousins the average British person has.

4,514 – the Guinness World Record for the largest family reunion, held in France in 2012.

13 million – the number of people in the world’s largest family tree.

National Cousins Day FAQs

Who is a cousin?

Cousins are two people who are both separated by two or more generations from their most recent common ancestor, which is typically a grandparent. 

Who is called a First Cousin?

“First cousins” are the children of your aunt or uncle. (Aunts and uncles are the sisters or brothers of your mother or father.) Your closest common ancestor with a first cousin is one of your grandparents.

Can I date my first cousin?

There are no laws against dating a first cousin, but marriage between first cousins is discouraged and illegal in most states.

National Cousins Day Activities

  1. Binge-watch cousin-themed reruns 

    Today is a good day to get reacquainted with those quirky cousin relationships we enjoyed on TV and big screen when we were kids. Remember summer reruns? Most vintage movies and many TV sitcoms have been digitized and are available on-demand.  Some of our cousin-themed favorites: Parent Trap, c. 1961 starring Hayley Mills, My Cousin Vinny, c. 1992, starring Joe Pesci, Ralph Macchio, Marisa Tomei, The Fresh Prince of Bel-Air, c. 1990-1996, starring Will Smith 

  2. Host a digital National Cousins Day reunion

    If your cousins live on the opposite coast or the other side of the planet, go digital. Schedule a live reunion hosted on one of the communication tools on social media platforms or use a webinar provider.

  3. Send your DNA off to be tested

    If you are the least bit curious about who your real blood relatives are (and are not) today is the day to stick that cotton swab in your cheek and find out. DNA testing will help you identify cousins you never even knew you had. It may be intimidating to think about learning who your long-lost relatives really are, but, hey! Connecting with your cousins is what National Cousins Day is all about.

Five Curious Facts About Cousin Relationships

  1. Six degrees of separation 

    A study by AncestryDNA revealed that the average Brit has more than 193,000 living cousins (6th cousin or closer) We’re not sure if the average American has this many living cousins, but it makes us wonder how many of us have unwittingly dated one of our cousins.

  2. All in the family

    Talent often runs in families, and that is true of celebrities. Some talented celebrity cousins we’ve admired over the years:  Singers Whitney Houston and Dionne Warwick are first cousins, Singer Snoop Dogg is the first cousin of singer Brandy, actress Sissy Spacek and actor Rip Torn are first cousins, and here’s an odd pair: actress Lauren Bacall and Israeli Prime Minister Shimon Peres are first cousins

  3. Maybe not all in the family

    It is legal to marry your second cousin in all fifty states  …but not your first cousin in most states.

  4. Double Cousins

    Apparently double cousins are a thing! If two brothers marry two sisters, their children are considered double first cousins.

  5. Second cousins

    Your second cousin is someone who shares the same great-grandparent as you but not the same grandparent.

Why We Love National Cousins Day

  1. Reconnect and make up

    Today gives us a reason to make amends with estranged family, beginning with our cousins.  Sometimes all it takes to patch things up is to just reach out and say hello. National Cousins Day is an excuse to call, email, or track down those long-lost cousins on social media. Regardless of outcome, making the effort is what counts.

  2. Built-in best friends 

    Our cousins were some of our very first best friends. We’d see them during family get togethers, share gossip, and sneak extra snacks while our parents’ backs were turned.

  3. Good vibrations

    There is truth behind the age-old maxim: It is more blessed to give than to receive. Telling our favorite cousins how much we appreciate them and how special they are sends out positive vibes that boomerang right back to us. Everyone likes to feel special.

National Cousins Day dates

Year Date Day
2025 July 24 Thursday
2026 July 24 Friday
2027 July 24 Saturday
2028 July 24 Monday
2029 July 24 Tuesday

Get Social

Here are some special hashtags for the day.

#Cousins #CousinsDay #CousinLove #CousinSquad #CousinGoals #GrowingWithCousins #BabyCousin #BestFriendCousin

National Cousins Day Featured Video

Celebrate National Cousins Day!