Samuel Cochran Mims, Jr. was born on November 27, 1880, in Chulahoma, Marshall County, Mississippi.

[1] Mims Sr. was a member of the Board of Supervisors of Marshall County.

[1] Later, he resided in Grenada, Mississippi, where he continued to practice law.

[5][6] Mims died on December 12, 1946, and was buried in Woodlawn Cemetery in Grenada, Mississippi.

They had a son named Samuel Cochran Mims, III.