St. Patrick’s Day began as a Christian feast day honoring St. Patrick, the patron saint of Ireland, and later grew into a broader celebration of Irish identity and culture worldwide.
Who Was St. Patrick?
St. Patrick was a 5th‑century Christian missionary and bishop in Ireland.
He is credited with playing a major role in bringing Christianity to the Irish people and became one of Ireland’s foremost patron saints.
Patrick was born in Roman Britain, probably in the late 4th century, into a Christian Romano‑British family.
At about age sixteen he was kidnapped by Irish raiders, taken to Ireland as a slave, and forced to work as a shepherd for several years.
He later escaped back to Britain, trained for the priesthood, and eventually felt called to return to Ireland as a missionary.
What He Did and Why He’s Famous
As a missionary, Patrick traveled through Ireland preaching, baptizing, and establishing churches, monasteries, and schools.
Over time he was believed to have converted thousands of people and helped shift Ireland from predominantly pagan practices toward Christianity.
Many legends grew around him, which boosted his fame. One famous story says he drove all the snakes out of Ireland (likely a symbolic way of talking about removing pagan practices).
Another well‑known tradition says he used the three‑leaf shamrock to explain the Christian Trinity to new converts.
By the Middle Ages he was deeply associated with Ireland’s spiritual identity and final judgment of the Irish, and was revered as a key patron saint alongside St. Brigid and St. Columba.
Origins and Reasons for the HolidaySt. Patrick is believed to have died on March 17, 461, and that date became his feast day in the church calendar.
By the early 17th century, March 17 was made an official Christian feast day in the Catholic Church and other Christian traditions.
In Ireland, the day was originally marked mainly with religious services and family feasts in his honor.
Because it falls during Lent, it also gave many Christians a one‑day break from Lenten restrictions, which encouraged festive meals and, in time, drinking.
As Irish people migrated abroad—especially to North America—the day gradually shifted from a mostly religious observance into a public celebration of Irish heritage and pride.
Who Celebrates St. Patrick’s DayToday, St. Patrick’s Day is celebrated by:People in Ireland, where it remains both a religious feast and a national holiday.
Irish diaspora communities around the world, especially in the United States, Canada, the United Kingdom, and Australia.
Many others with no Irish ancestry who join in as it has become a general festival of “Irishness” and springtime.
Large celebrations are especially prominent in cities like Dublin, New York, Boston, Chicago, and Sydney, each with its own parades and local traditions.
How and Why It Is Celebrated Today
The core reasons it is celebrated today are: to honor St. Patrick as a key figure in Ireland’s Christian history, to express Irish cultural pride, and to enjoy a festive break at the end of winter.
Common ways it is celebrated include:Attending church services, particularly in Ireland and among practicing Christians who remember Patrick’s missionary work.
Parades, often featuring marching bands, Irish dancers, floats, and community groups; some of the earliest recorded parades were held by Irish soldiers and communities in colonial America in the 1700s.
Wearing green clothing or accessories, along with symbols like shamrocks and leprechauns, which express Irish identity and reference Patrick’s shamrock legend.
Public festivals with traditional Irish music, dancing (like Irish step dancing), and storytelling.
Eating and drinking, including Irish dishes and, in many places, beer or other drinks dyed green; in the U.S., this social aspect became a major part of the holiday.
City‑wide displays, such as lighting landmarks in green or, famously, dyeing the Chicago River green for the day.
In short, St. Patrick’s Day grew from a religious commemoration of a 5th‑century missionary into a global cultural festival that blends church traditions, Irish national pride, and modern popular celebrations.
Traditional St. Patrick’s Day food is a mix of “real” Irish dishes and Irish‑American favorites, plus plenty of stout and whiskey.
Classic Irish dishes
Irish stew (usually lamb or beef with potatoes, onions, and carrots).
Bacon (Irish salted pork) and cabbage with potatoes and parsley sauce.
Colcannon (mashed potatoes with cabbage or kale and lots of butter).
Boxty (Irish potato pancakes) and other potato dishes like champ (mashed potatoes with scallions).
Dublin coddle (sausages, bacon, potatoes, and onions slowly stewed together).
Full Irish breakfast: bacon rashers, sausages, black and white pudding, fried eggs, tomatoes, mushrooms, baked beans, and soda bread.
Irish‑American St. Patrick’s Day foods
Corned beef and cabbage with boiled potatoes and carrots (more Irish‑American than traditionally Irish).
Shepherd’s pie or cottage pie (meat pie with a mashed potato topping).
“Irish nachos” (potato slices instead of tortilla chips, topped like nachos).
Potato soups, Guinness beef stew, and Reuben‑style sandwiches or appetizers.
Breads, sides, and sweets
Irish soda bread (brown or white, often with a cross scored on top).
Brown bread with lots of salted Irish butter.
Potato farls or potato rolls for soaking up stew or making small sandwiches.
Desserts flavored with whiskey, Baileys, or Guinness, like Guinness chocolate cake or stout brownies.
Apple tart (Irish‑style apple pie) served with cream or custard.
Traditional drinks
Guinness and other Irish stouts.Other Irish beers and lagers from brands like Smithwick’s or Harp.
Irish whiskey (sipped neat, on ice, or in cocktails).
Irish coffee (hot coffee with Irish whiskey, sugar, and cream).
For non‑alcoholic options: strong black tea (like Barry’s or Lyons) with milk, or soft drinks alongside a big fry‑up.
Themed and modern additions
Green‑tinted drinks (including “green beer”) for parties, more common outside Ireland.
Pub‑style snacks like crisps (potato chips) sandwiches, sausage rolls, and cheese‑and‑onion flavors.
Party boards or buffets built around potatoes, soda bread, Irish cheeses, and charcuterie.
In Ireland today, St. Patrick’s Day is less about “green everything” and more about regular, comforting Irish food, often just a nicer Sunday‑style meal with family or friends.
No single “must‑eat” dish
Many Irish people simply eat their usual meals on March 17 and may not have a strict traditional St. Patrick’s Day food at all.
Some families just make the day feel special with a slightly fancier roast dinner or a dessert that uses Irish colors (green, white, orange).
What families often cook
Common home meals on St. Patrick’s Day include:Bacon and cabbage with potatoes and vegetables, sometimes with the cabbage fried in bacon fat and topped with crispy bacon.
Roasts such as lamb, beef, pork, or chicken served with roast potatoes, mashed potatoes, and seasonal vegetables plus rich gravy.
Stews and “coddle,” like Irish stew with lamb or beef, carrots, and potatoes, or Dublin coddle with sausage, bacon, potatoes, and onions.
Potato dishes such as colcannon (mashed potatoes with cabbage or kale), boxty (potato pancakes), or champ (mashed potatoes with scallions) as sides.
Breakfasts, breads, and sweetsAn Irish fry (rashers, sausages, black pudding, fried tomatoes, eggs, and soda bread) is a popular way to start a long day of parades or pub visits.
Soda bread and brown bread with plenty of Irish butter are common on the table, sometimes served with chowder or stew.
Desserts often include homemade apple or rhubarb tarts, sometimes chosen because rhubarb is in season in March.
Some families make fun tricolour desserts with green and orange jelly and a white middle layer to echo the Irish flag.
Pub and city food cultureIn towns and cities, people who go “out” for St. Patrick’s Day might eat:Pub classics like Irish stew, roast dinners, fish and chips, or boxty with stew.
Chowders, seafood dishes with brown bread, and hearty mains designed to go well with stout or whiskey.
Late‑night or next‑day “cure” foods like crisp sandwiches (chips on buttered bread) after a long day in the pub.
What they don’t usually doCorned beef and cabbage and green beer are seen mostly as Irish‑American traditions, not typical in Irish homes.
Bright green‑dyed foods and heavily themed dishes are far more common abroad than in everyday Irish celebrations in Ireland itself.
Many ingredients for traditional St. Patrick’s Day dishes are exactly what you’d find in a simple Irish kitchen garden or foraged nearby.
Core garden vegetables
These show up again and again in Irish stews, bacon‑and‑cabbage dinners, and colcannon:
Potatoes – the backbone of Irish cooking, used in mash, colcannon, boxty, champ, and served alongside stews and roasts.
Cabbage and kale – boiled or fried with bacon for bacon‑and‑cabbage, or shredded into colcannon.
Carrots – sweetens and bulks out Irish stew and other slow‑cooked pots.
Onions and scallions (spring onions) – form the flavor base of stews and soups; scallions are classic in champ and colcannon.
Leeks and celery – common cool‑climate crops used in broths, stews, and chowders.
Parsnips – traditional root veg roasted with meats or added to stews for earthiness and sweetness.
Common herbs from the garden
Simple, hardy herbs flavor many “real Irish” St. Patrick’s dishes like stew, coddle, and roast dinners:
Parsley – chopped over stews, mashed potatoes, and bacon‑and‑cabbage; used in parsley sauces.
Thyme – classic with lamb or beef stews and Dublin coddle.
Bay leaves – simmered in long‑cooked stews and broths.
Chives and scallions – snipped over potatoes, soups, and colcannon for a fresh onion note.
Rosemary and sage – less dominant but used with roasts and hearty meat dishes.
Wild and foraged greens
Older rural traditions and some modern Irish cooking still lean on wild plants that might grow around the garden edges or hedgerows:
Wild garlic (ramsons) – gives a gentle garlic flavor to soups, mash, and springtime dishes.
Nettles – used in nettle soup or as a spinach‑like green in early spring.
Watercress, sorrel, and other wild leaves – tossed into broths or salads, sometimes used for a “shamrock‑like” green garnish on St. Patrick’s Day plates.
How they show up on St. Patrick’s Day
On a typical St. Patrick’s Day table in Ireland, these garden ingredients might appear as:
Irish stew with potatoes, carrots, onions, celery, and herbs like thyme and bay.
Bacon and cabbage with potatoes and a parsley‑based sauce.
Colcannon or champ made from potatoes, cabbage or kale, and scallions.
Roasted roots (carrots, parsnips, potatoes) alongside lamb, pork, or beef.
Simple breads and soups flavored with garden herbs such as parsley or thyme.
Conclusion
St. Patrick’s Day in Ireland grew from a church feast for a 5th‑century Roman‑British missionary into a national holiday that quietly centers on family, faith, and a deep sense of Irish identity.
While parades and pubs get much of the attention abroad, many Irish people simply mark the day with Mass, time off work, and a good meal built from the same humble ingredients that have long anchored Irish cooking.
On the table, you’re far more likely to find bacon and cabbage, Irish stew, roast meats with potatoes, and breads like soda bread and brown bread than corned beef or neon‑green food coloring.
Those dishes are grounded in the Irish garden and landscape: potatoes, cabbage, kale, carrots, onions, leeks, parsnips, and simple herbs such as parsley and thyme, plus seasonal or wild greens like nettles and wild garlic.
In that sense, a modern St. Patrick’s Day feast in Ireland still tells an old story—of a cool, rural island making something hearty and celebratory out of whatever the soil, hedgerows, and sea can provide.
It's Nicky Lynn 