The Green Line

Every March, Boston slips into shades of green. The city’s color palette, usually a winter wash of red brick and slate, takes on an unmistakable hue. This green does not arrive with the weather, but rather a ceremonial cast on the 17th. It appears in flags hanging off of fire escapes, in the bunting draped across South Boston triple‑deckers, and in the jackets of children perched on their parents’ shoulders along Broadway. In Boston, St. Patrick’s Day is not just a holiday—it is a season. It arrives, backed by centuries of history, the city’s reminder of what it once was, and the roots it holds for thousands. Yet today, it is easy to dismiss “St. Paddy’s” as a caricature—a time when Irishness becomes a socially acceptable costume worn by people with no connection to the culture.

Despite the annual spectacle of St. Patrick’s Day, the origins of the holiday are far less pronounced. The holiday began as a religious feast in Ireland, a day for Catholic Mass and modest family gatherings. For centuries, it remained a solemn observance. By law, all pubs were closed, and the day was dedicated to prayer. 

Over time, the traditions associated with St. Patrick’s Day have evolved, as many diasporic traditions eventually do. The religious solemnity of the feast has softened, replaced with a communal, more exuberant celebration. Fleeing the Irish Famine in the mid-nineteenth century and carrying little more than their faith, Irish immigrants gave the holiday a new meaning of cultural pride and presence in Boston. The Irish, who historically endured poverty, prejudice, and exclusion, established institutions of their own in the city, including the Cathedral of the Holy Cross and social groups. 

Gradually, the celebration became not just Ireland’s tradition anymore; it was uniquely Boston’s, shaped by the distinctive experience of the diaspora. The corned beef and cabbage served in countless kitchens each March, for instance, is not an Irish dish but an Irish-American one, borne from the proximity of Irish immigrants to Jewish delis in 19th‑century New York and Boston. The holiday’s iconography of shamrocks and tricolors took on new meanings in the hands of people building a culture between being completely Irish and completely American, and this movement was rooted in a particular Boston neighborhood.

South Boston, or “Southie,” became the heart of the resistance against Catholic discrimination in the city. With its dense rows of worker housing and its tight-knit Catholic parishes, Southie was a refuge for Irish families that had been pushed to the outskirts of Boston due to religious persecution. In 1901, the parade was placed in the heart of its streets and soon became a demonstration of solidarity. Veterans’ groups carried banners honoring Irish and Catholic men who had fought in American wars, even as their families faced discrimination at home. Irish aid societies like the Friendly Sons of Saint Patrick were also established during this period. 

As the Irish community in Southie grew, its voters became a powerful political bloc. Figures like John F. Kennedy and Thomas P. “Tip” O’Neill soon appeared at the parade, eager to court Irish-American voters. For Irish-Americans, the parades became a space to voice political stances, whether it was support for Northern Ireland in the 70s, or modern peace in the Middle East.

Today, the Sunday parade in Southie is one of the city’s most anticipated events—yes, for Irish-Americans, but also for the city’s robust college population. Donning green from head to toe, local undergraduates swing around BORGs while families stake out the same patch of sidewalk year after year, passing down stories of grandparents who marched on the same streets in the 1940s or 1950s. 

Gentrification has reshaped the neighborhood’s dynamics, and the political battles and activism that defined it have moved, but the parade connects the city back to its history. It is one of the few moments where old Southie and new Southie occupy the same space. The sound of bagpipes echoing off the triple‑deckers, the sight of children waving flags from second‑floor windows, and the smell of boiled dinners drifting from open doors speak to cultural integration, but not assimilation. 

The modern, commercialized version of St. Patrick’s Day—the green beer bars use to unload their low-quality suds, the novelty hats, the 12-hour pub crawls—overshadows the holiday’s lineage. Yet, the contemporary celebration is not wholly inauthentic. Time and time again, diasporic cultures have survived by absorbing new influences while preserving old ones. The exuberance of the American St. Patrick’s Day is not a betrayal of the holiday’s Irish origins but an extension of the resilience that allowed them to endure in cities like Boston. The day is full of contradictions, sacred and secular, historical and commercial, and history itself is no different, so who’s to say it doesn’t reflect the complexity of a community?

Harvard, historically wary of Catholic immigrants and slow to admit them, now sits within a city whose identity cannot be separated from the people it once excluded. This year, students may be away on spring break when the parade passes through South Boston, but the University’s presence remains tied to the Irish diaspora. The descendants of famine refugees now teach in its classrooms, lead its departments, and shape everyday intellectual life. The holiday that divided insiders and outsiders now reveals how porous that boundary has become.

The Green Line literally remains in the way the sun hits South Boston’s brick facades as the rumble of the city’s T carries hundreds of parade attendees under the city. However, the “green line” is also in the tug of a child’s hand on a parent’s sleeve, and the rambunctious exchange on an aged-wood countertop in an Irish pub. It is in the green that lingers long after Mar. 17, in every street where a community has walked, leaving pieces of themselves behind—Boston’s own pot of gold at the end of the rainbow.

Rohan Tyagi ’29 (rohantyagi@college.harvard.edu)is finding a green uniform for this year’s rendition of the St. Patrick’s Day parade.