She was the founding president of the Women's Advertising Club of London and a director of the feminist literary magazine, Time and Tide.
[1][2][3] She moved to Punch in 1910, in the role of assistant to the advertising manager, Roy V. Somerville, and assumed more responsibility than was usual because of his ill health.
[1][6] Other founding members included Jessie Reynolds (later chair of the Samson Clark agency) and Margaret and Florence Sangster (at W. S.
[7][8] The impetus for the club's foundation was to prepare for a major international convention on advertising in Wembley, planned for 1924 as part of the British Empire Exhibition.
[14] The academic Catherine Clay speculates that Lyon was a factor in increasing the magazine's advertising revenue by the end of that decade.
[2] On 20 October 1923, she married the Punch cartoonist, Leonard Raven-Hill (1867–1942), a substantially older man whose first wife had died eighteen months earlier.
[5] A colleague wrote after her death that Lyon made advertising appear "a gentlemanly thing in the richest sense of that mishandled word".