Arlington council of the Knights of Columbus, known as Edward Douglas White Council 2473. Instituted in 1923. One of the largest Knights of Columbus councils in the Order; won the state council's Triple Star Council Award for 2024-25 with 326.7% membership growth; owns a historic 10-acre estate (the former Saegmuller mansion on Reserve Hill, purchased 1951) as its own hall rather than meeting at a parish; hosts an annual all-you-can-eat crab feast. Members carry out charitable work, support their parish, and raise funds for community causes.