See the popularity of the boy's name Oleander over time, plus its meaning, origin, common sibling names, and more in BabyCenter's Baby Names tool. expert advice community
The average age of accession is 54 years and 11 months, which falls between Herbert Hoover (22nd) and Lyndon B. Johnson (23rd). The youngest person to assume office was Theodore Roosevelt (age 42), who became president following William McKinley 's assassination.he oldest president to assume office was Ronald Reagan (age 69 years, 349 days), who was also the oldest in office (age 77 years, 349 days), ending at the inauguration of George H. W. Bush. The oldest living president is George H. W. Bush, born June 12, 1924 (aged 7009288306000000000â  91 years, 131 days).
Politics of the United States of America. John F. Kennedy. JFK was the youngest elected president to the office at the age of 43 years 236 days. He was also the youngest to leave the office at the age of 46 years, when he was assassinated. Also, Theodore âTeddyâ Roosevelt was the youngest person to become the president at the age of 42 when he assumed the office following the assassination of William McKinley.