Jarvis was notable in Toronto business circles and helped build the King Edward Hotel and Arena Gardens.
He helped create the British Columbia salmon canning industry through the companies that still market Clover Leaf sea food products today.
Jarvis actively supported the Royal Canadian Navy during World War I, recruiting anti-submarine and other ships, and over 2000 men.
[6] (The intermediary was shortly thereafter assassinated on a train platform immediately following passing -and ignoring- Jarvis in a train-car corridor, with several "ugly" men following close behind her.)
Aemilius was recognized by the Navy League of Canada's award of its unofficial “Special Service Decoration” for his wartime contributions.
[2] Jarvis earned the friendship and respect of such men as Lord Minto (Governor General of Canada), J.P. Morgan, Sir Thomas Lipton, Lord Beaverbrook, Sir Henry Pellatt, Edward Roper Curzon Clarkson and world-champion rower Ned Hanlan.
Jarvis sailed alone around Lake Ontario, from Hamilton to Niagara-on-the-Lake to Whitby and back, in a tiny dinghy aptly called Tar Pot when he was just twelve years old.
Additionally, he won over 100 international freshwater sailing events while at Royal Canadian Yacht Club (& more than 300 overall[4]), including a second Canada's Cup in 1901.
[2] His business peers signed a petition detailing the reasoned argument for Jarvis' innocence, which was proven when he took the stand in the trial of another charged in the affair.
[10] The former Premier of Ontario, Ernest C. Drury (United Farmers of Ontario party), labelled him "Canada's Dreyfus," a reference to Alfred Dreyfus who was wrongfully charged and jailed in his native France (around the turn of the century) for blatantly political reasons and the Government of Canada would later be petitioned to pardon Jarvis.