Katharine Crampton Cochrane (d. 1992) , a lifelong resident of Mobile, was a community leader and arts patron. She was the second wife of John Taylor Cochrane and step-sister of Guy Chester Crampton.

John Taylor Cochrane (1874-1938) was one of the foremost industrialists and public men of Alabama. He was twice president of the Mobile Chamber of Commerce. During one of these terms he organized a movement to build a ten-mile bridge across the headwaters of Mobile Bay. At the time of his death he was president of the Alabama, Tennessee & Northern Railroad Corporation. Born in Tuscaloosa, he attended the University of Alabama for two years. His first wife, Alice Searcy, died in 1922. In 1925 he married Katharine Crampton of Mobile. He had two sons by the first marriage, John T. Cochrane, Jr. and George Searcy Cochrane.

John T. Cochrane, third from the left, along with Governor and Mrs. Bibb Graves, at the dedication ceremony for the Cochrane Bridge, named for John. The dedication took place in 1927. Erik Overbey Collection, The Doy Leale McCall Rare Book and Manuscript Library. Negative: N-4234

Guy Chester Crampton (1881-1951), a distinguished entomologist, was Katharine Crampton Cochrane's step-brother. He was the son of Dr. O. L. Crampton and Cleffey B. De la Tourette Crampton. Born in Mobile, he received the A.B. degree from Princeton, M.A. degrees from Cornell and Harvard, and his doctorate from the University of Berlin. He taught at Massachusetts Agricultural College (now the University of Massachusetts) from 1911 to 1947.

Orson Lucius Crampton, a physician and graduate of Bellevue, 1865, resided in Mobile. He was the father of Guy Chester Crampton and Katharine Crampton Cochrane.