St. Patrick's Day costume — example look
AI-generated example

St. Patrick's Day

Embrace the wearing of the green with festive, lucky holiday style.

St. Patrick's Day is a global celebration of Irish culture and heritage held every March 17th. Dressing up for the holiday is a beloved tradition, with people sporting everything from whimsical leprechaun suits to vibrant green accessories. This guide covers how to assemble a classic, festive green look that ensures you won't get pinched.

Difficulty
Easy
Time
~15 min
Budget
$20–75
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St. Patrick's Day costume
Example look · AI-generated
You as St. Patrick's Day
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40 St. Patrick's Day costume ideas

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What you need for a St. Patrick's Day costume

  • Green top hat

    A tall, green felt or velvet top hat, often featuring a black band and a gold buckle.

    DIY: Decorate a plain black top hat with green felt and a gold paper buckle.

    Amazon

  • Shamrock t-shirt or green suit

    A bright green t-shirt featuring a shamrock graphic, or a full green novelty suit jacket.

    DIY: Use fabric paint to stamp green shamrocks onto a plain white or green t-shirt.

    Amazon

  • Green suspenders and bow tie

    Matching kelly green elastic suspenders and a pre-tied satin bow tie.

    Amazon

  • Shamrock bead necklaces

    Metallic green plastic bead necklaces with shamrock-shaped pendants.

    Amazon

  • Green and white striped socks

    Over-the-calf knit socks with alternating horizontal green and white stripes.

    Amazon

How to put it together

  1. 1

    Put on your base layer, such as a green t-shirt, green dress, or a festive green novelty suit.

  2. 2

    Attach the green suspenders to your pants or skirt, adjusting them for a comfortable fit.

  3. 3

    Fasten the green bow tie around your collar.

  4. 4

    Layer several green shamrock bead necklaces around your neck.

  5. 5

    Pull on the green and white striped knee-high socks.

  6. 6

    Place the green top hat securely on your head to complete the festive look.

Makeup & hair

Keep hair natural or add temporary green hair spray. For makeup, paint small green shamrocks on your cheeks using face paint or apply green glitter eyeshadow.

St. Patrick's Day for couples, groups, kids & more

couples
One partner dresses as a classic leprechaun, while the other wears a green 'lucky lass' dress or a pot of gold costume.
group
Have the entire group wear matching green suits, or dress as a pack of mischievous leprechauns with orange beards.
kids
A simple green t-shirt, a mini green top hat headband, and shamrock stickers.
Plus size
A comfortable green tunic or an elastic-waist green clover dress paired with festive green leggings.
pet
A green dog collar with a plush shamrock attachment or a lightweight green pet bandana.

Tips

  • Wear comfortable walking shoes, as St. Patrick's Day celebrations often involve parades and standing.
  • Check the weather and layer a green hoodie or jacket over your costume if celebrating outdoors.
  • Avoid wearing orange, as green is the traditional color associated with Irish Catholic heritage on this holiday.
  • Keep spare bead necklaces on hand to share with friends who forgot to wear green.

St. Patrick's Day costume FAQ

Why do people wear green on St. Patrick's Day?
Wearing green, also known as the 'wearing of the green,' is a tradition to show Irish pride and is playfully said to make you invisible to leprechauns, who will pinch anyone not wearing the color.
What is a simple last-minute St. Patrick's Day costume?
Simply wear any green shirt from your closet and add a cheap green top hat, shamrock beads, or a green pin.
Can I dress up as a leprechaun?
Yes, a classic leprechaun outfit featuring a green frock coat, a buckle belt, a top hat, and a faux orange beard is a highly popular choice.

Did you know? Blue was actually the original color associated with Saint Patrick, but green became popular in the 18th century as a symbol of Irish nationalism and the lush landscape of the Emerald Isle.