He founded the Ottawa Art Association, served as President of the Literary and Historical Society of Quebec, the Park Lawn Tennis Club (Toronto), the Civil Service Board, the Ottawa Literary and Scientific Society, and Vice-President of the Astronomical and Physical Society of Toronto, and finally the part-time position in retirement as Vice-President of the Toronto Loans and Assurance Company (a.k.a. Toronto General Trusts). However, Meredith's capacity for involving his own money in costly speculative ventures (that included organising a trip to Mexico in search of lost treasure) would have been something of a family joke if it hadn't proved to be so expensive for them!