48
George H. W. Bush was elected president of the United States in 1989. His son, George W. Bush, was later elected president in 2001.
51 years
carter
Nixon
Thomas Edison was never elected president.
He was not elected president, so the question is moot.
Coolidge was 51 years old in August of 1923 when he became President due to the death of Harding. Coolidge was born on July 4,1872,
He was 53 years and 11 months old when elected president in November, 1836.
He was born in 1917 and was elected president in 1960 .
Mary McAleese was first elected President of Ireland on November 11, 1997. Born on June 27, 1951, she was 46 years old at the time of her election. She served as president until November 10, 2011.
George Washington was an elected delegate to the First Continental Congress from the Virginia colony in 1774, when he was 42. A year later he was placed in command of the Continental Army as the Revolutionary War broke out. He was 56 when he was elected President in 1788 (after the War), and 57 when he was sworn in as the first US President on April 30, 1789.
James Bucanhan was 66 when he was elected president of the USA.