[3] Among her articles was a 1911 indictment of yoga, then trendy among society women, which she described as leading to lost fortunes, ruined looks, "domestic infelicity, insanity, and death",[4] and a report from Argonne Cemetery after World War I.

[7] As a writer, Daggett was the author of several books, including In Lockerbie Street (1909, an appreciation of poet James Whitcomb Riley),[8][9] Women Wanted: The Story Written in Blood Red Letters on the Horizon of the Great World War (1918, a book about women and World War I),[10] and a well-reviewed biography of Marie of Romania (1926).

[13] The editor of Good Housekeeping magazine declared, "The modern woman has few more determined and capable champions than Mabel Potter Daggett.

"[14] She was a member of Heterodoxy, a feminist club based in Greenwich Village; other Heterodites included her fellow Delineator editors Sarah Field Splint and Katherine Leckie.

[16] She served on the executive committee of the National Birth Control League with fellow Heterodites Elinor Byrns and Kathleen de Vere Taylor.