Haymarket council of the Knights of Columbus, known as Father Jon O'Brien Council 16793. Instituted in 2017. Attached to St. Katharine Drexel Mission (a mission of St. Stephen the Martyr Parish). Delivers wheelchairs through the Global Wheelchair Mission and runs a Coats for Kids drive alongside food-pantry support for the Haymarket Regional Food Pantry and the St. Lucy Project. Members carry out charitable work, support their parish, and raise funds for community causes.