Helen Moore Martin Taylor, 78, a former member of the editorial staff of The Saturday Evening Post, died Saturday at the Wisconsin Avenue Nursing Home. She had be resident of Washington for the last three years.

Born near West Chester, Pa., Mrs. Taylor was descended from early Quaker settlers in the area of Philadelphis and Chester County.

She graduated from Swarthmore College in 1920 and became associated with the Curtis Publishing Co. in Philadelphia as first assistant to Thomas B. Costain, fiction writer and editor. She later was on the editorial staff of The Saturday Evening Post.

In 1924, she married Earl H. Taylor, former editor of The Country Gentlemen magazine. They lived in Swarthmore for 50 years.

At er coming here, Mrs. Taylor continued to be active in the Freedom's Foundation at Valley Forge. She was a member of the Salvation Army Auxiliary of Washington.

In addition to her husband, of the home in Washington, she is survived by a son, Richar P. Taylor, of Potomac; two sisters, Ethel Martin and Gertrude Balwin, both of West Chester, and a grandchild.

The family suggests that expressions of sympathy be in the form of contributions to the Salvation Army here.