Lockwood spent a decade on the bench of the Arizona Superior Court in Maricopa County, the first woman to serve in that role.

[2] In 1938, Lockwood was recruited by the Business and Professional Women's Club to run for the Arizona House of Representatives.

[2] In 1947, Phoenix Mayor Ray Busey appointed Lockwood to the Charter Revision Committee, an important local post.

In 1949, Lockwood left private practice to become assistant attorney general for Arizona, overseeing the state welfare department.

Lockwood campaigned around the state, traveling by airplane piloted by Virginia Hash, a fellow attorney.

[8][9] Lockwood wrote several important opinions, a number of which expanded women's legal rights and consumer protection.

She believed that her most significant opinion was the 1973 Shirley v. Superior Court, which upheld the right of a Native American who lived on a reservation to hold political office in his county.

[6] In 1965 and 1967, when vacancies occurred on the U.S. Supreme Court, Senator Carl Hayden recommended her nomination to President Lyndon B.

[5] Lockwood held office in the National Federation of Business and Professional Women's Clubs.

[11][13] The urn which holds her cremated remains is located in the Greenwood/Memory Lawn Mortuary & Cemetery south columbarium, niche #113.

The trophy was a Barbie in a judge's robe with a plaque with the names of Phoenix women who joined the judiciary.