Clements was involved in many charitable activities including Dr Steevens' Hospital, the Erasmus Smith Educational Foundation, the Royal Hospital Kilmainham for retired soldiers, and others.
Royal Navy | Royal Air Force | General Hospital | Royal Dutch Shell | Royal Society | Royal Albert Hall | Royal Shakespeare Company | Royal Opera House | Royal Victorian Order | Royal Engineers | Royal Australian Navy | hospital | Royal National Theatre | Royal Canadian Navy | Royal Canadian Air Force | Royal Court Theatre | Massachusetts General Hospital | Royal Marines | Royal Commission | Royal Academy of Music | Anne, Princess Royal | Royal Philharmonic Orchestra | Theatre Royal, Drury Lane | Royal Flying Corps | Royal Canadian Mounted Police | Royal Australian Air Force | Royal Artillery | Royal Festival Hall | Royal College of Art | Royal Botanic Gardens, Kew |