"The Black Donnellys" refers to a notorious Irish immigrant family in 19th-century Canada, known for their involvement in criminal activities and violent conflicts. The family, primarily based in Lucan, Ontario, became infamous for their feuds with rival groups, particularly the Protestant Orange Order and local law enforcement. Their story is marked by a series of violent incidents, culminating in a tragic event in 1880. The family's legacy has been the subject of various retellings, including books and television adaptations. The most notable portrayal is the 2007 TV series titled "The Black Donnellys," which dramatizes their lives and struggles, blending fact with fiction to explore themes of loyalty, family, and survival.