Some say it 's because he was married to his work ; others say it 's because he never found a girl who measured up to his high standards . To only three years later , nobody knows exactly when Daniel was born . Daniel 's `` uniform '' : formal knee-length coat , vest , tie , and a wide-brim planter 's hat . Origin of `` Old No . 7 : Daniel was assigned a district tax assessment number of 16 . Jack Daniel died from complications of gangrene from an injury to his foot .
To only three years later , nobody knows exactly when Daniel was born . Daniel 's `` uniform '' : formal knee-length coat , vest , tie , and a wide-brim planter 's hat . Origin of `` Old No . 7 : Daniel was assigned a district tax assessment number of 16 . Jack Daniel died from complications of gangrene from an injury to his foot .