Marylebone Cricket Club | Lancashire County Cricket Club | Sierra Club | club | Sgt. Pepper's Lonely Hearts Club Band | Club Brugge K.V. | Somerset County Cricket Club | Sport Club Corinthians Paulista | Glamorgan County Cricket Club | Hampshire County Cricket Club | Nottinghamshire County Cricket Club | Richmond Football Club | Gloucestershire County Cricket Club | Cornwall County Cricket Club | Kent County Cricket Club | Club Nacional de Football | Cambridge University Cricket Club | Collingwood Football Club | Yorkshire County Cricket Club | sports club | Essendon Football Club | Port Adelaide Football Club | Jockey Club | Club Atlético River Plate | Carlton Football Club | St Kilda Football Club | Racing Club de Avellaneda | Manhattan Theatre Club | Club Olimpia | Surrey County Cricket Club |
Brown belonged to many social clubs and hereditary organizations including the Pilgrims Society, the Society of the Cincinnati, the Military Order of the Loyal Legion of the United States, the Sons of the American Revolution (joined in 1960 as national member number 85,691), the Newport Reading Room, the Newport Country Club, the Spouting Rock Beach Association, the Fishers Island Club and the highly exclusive Clambake Club.