Lincoln  was assassinated on April 14, 1865, and died the following morning.   The 16th President of the US, Abraham Lincoln (February 12, 1809 -  April 15, 1865) was 56 years of age when he was assassinated  by John Wilkes Booth.   He was assassinated at the age of 56.braham was 175 yrs old when he died (Genesis 25:7). Abraham was 86  years old when Ishmael was born (Genesis ch.16) and 100 years old  when Isaac was born (Genesis ch.21). …   Therefore, Ishmael was 89 years old when Abraham died, and Isaac  was 75 years old when Abraham died. 9 people found this useful.