 His time with Stickley was brief, for just seven months after moving to Syracuse, Ellis died there on January 2, 1904, of heart disease, three months after his fifty-first birthday.A convert to Roman Catholicism, he was buried in an unmarked grave in St. Agnes Cemetery in Syracuse.In 1997 the Arts and Crafts Society of Central New York honored him with a simple, dignified granite marker for his grave bearing his name, a Latin cross and the word Architect.