The longest - lived Prime Minister was Lajos Kossuth who was born on 19 September 1802 .
Who died on 20 March 1894 at the age of 91 years , 6 months and 3 days .
The longest - lived Prime Minister was Lajos Kossuth who was born on 19 September 1802 and who died on 20 March 1894 at the age of 91 years , 6 months and 3 days .