Louise Moyer was born February 24, 1880 in Cedar Falls, Iowa to to Samuel and Emma Moyer. She graduated from the Iowa State Teachers College in 1900, teaching at the school for two years as a faculty member, before relocating with her family to Chicago and then Plainfield, New Jersey where she pursed a career in banking. She also attended the American Institute of Banking and completed post-graduate courses at New York University. Moyer retired from the Plainfield Trust Company in 1948 after a 30 year career with the company. During that time she worked as a head teller in the women's department before taking on roles as trust solicitor and director of publicity and new business.

Moyer was active in the Plainfield community serving as one time board member and finance chairman of the YWCA. She was a charter member of the Business and Professional Women's Club of Plainfield and was as the group's president from 1919-1922. She was also affiliated with the Plainfield Art Association and Historical Society, and was at one point the director of the Financial Advertisers Association. She was a member of the Plainfield College Club and the Plainfield Branch of the American Association of University Women. In 1936 she was named as one of Plainfield's outstanding women by the Business and Professional Women's Club.

Moyer died in Belle Mead, New Jersey on February 24, 1958 and was buried at Hillside Cemetery.