The Day of The Dog book cover

Helen Maitland Armstrong (1869–1948) was an American artist who worked both solo and in partnership with her father, Maitland Armstrong. Her work is considered among the finest produced in America in the late 19th and early 20th centuries. Helen Maitland Armstrong was born in 1869 in Florence, Italy, to American diplomat and stained glass artist Maitland Armstrong and his wife Helen, who was a descendant of Peter Stuyvesant and a niece of the politician Hamilton Fish. Her six siblings included book designer and author Margaret Neilson Armstrong and magazine editor Hamilton Fish Armstrong.