She served as chair of the Drama Sub-Committee of the Committee on Literature and Library Extension in the General Federation of Women's Clubs.

Peck served as Headquarters secretary of the National American Woman Suffrage Association, 1909–10, in New York City.

She was a Fraternal delegate from the Women's Trade Union League to Sixth Conference of the International Woman Suffrage Alliance in Stockholm, 1911.

[2] Peck served as special correspondent from the International Suffrage Congress, 1911, for the Boston Evening Transcript and other papers.

As a journalist, she contributed to various industrial and academic periodicals, magazines, and newspapers research articles, original investigations, fiction and verse.