Mabel Cory Costigan

Mabel Costigan ( Cory; 1873–1951) was an American community and church leader and advocate for labor laws for children and foreign-born individuals. Among her many social and political endeavors, she served on the advisory council of the National Child Labor Committee and was vice president of the National Consumers League.

Early life Mabel Cory was born on August 28, 1873, in Patch Grove, Wisconsin. Her parents were Dr. Jerome B. and Amanda (McLean) Cory, who had seven children. Her father was a physician and a politician who advocated for temperance. While she was a girl, her family moved to Wellington, Kansas. and graduated from the Denver Normal and Preparatory School.

Politics Costigan was a suffragist, She was an active member of the National League of Women Voters, with a national presence.

Costigan was vice president of the National Consumers League, She lobbied legislators in Washington, D.C., on behalf of the National Consumers League. She was described in 1926 as one of "two score, diligent, feminine representatives of the organized women of the country who have become the most powerful lobby ever concentrated in the national capital" by Oliver P. Newman, Former President of the Board of Commissioners of the District of Columbia. Costigan was said to have been a notable and hard-working presence in Washington, D.C., since World War I. Selma Borchardt, who represented the American Federation of Teachers, was the other of two women said to be highly effective. She was serious in her approach and found that legislators "meet with us [women] and deal with us exactly as if we were men, presenting a case on its merits." She remained active in the National Consumer League for many years.

She died in 1951 and was buried at Fairmount Cemetery in Denver.