Smith was an abolitionist who devoted her life to local and national social reforms. She was the founder of the Home Club of East Boston and president of East Boston Woman Suffrage League. Her parents were descendants of Mayflower passengers. At the age of 93, she attended the suffragist “Victory “ parade in Boston. She became known as “the world’s oldest suffrage orator” and cast her first vote in the election of 1920 when she was 99 years old.