John Weidman Mish read law with his uncle, Jacob Barge Weidman, and was admitted to the Lebanon bar at the August term, 1845. In 1850 he was elected district attorney of Lebanon County. In 1856, at the organization of the Lebanon Gas Light Company, was chosen secretary and treasurer, and continues to hold that position. Served as vice-president of the Lebanon National Bank; afterwards president of the Lebanon Dime Saving's Bank, and subsequently vice-president and cashier of the First National Bank, from which he retired June 5, 1885. He served as borough treasurer several years, and during his term of office succeeded in refunding two hundred thousand dollars of seven per cent loan at four per cent. He resides at Lebanon, Pa.