[1][2] She attended high school in Tuscola County,[3] and graduated from Teachers College, Columbia University in 1917.

[5] Blackmore taught in the home economics department at Cornell University beginning in 1915,[6][7] including such courses as "Elements of Design", "Clothing and Handwork", and "Elementary Millinery".

[8] She oversaw the creation of the school's costume shop, home economics courses for male students, a collection of historical textiles and international garments,[9][10] and a diverse research program on clothing and fabric.

[11] Blackmore taught community classes,[12][13] and gave interviews and lectures on consumer advice.

[19][20][21][22] Blackmore lived with fellow home economist Helen Canon in Ithaca, New York for more than thirty years.