If someone was 17 years old August 24, 1870, and 26 years old June 11, 1880, when is the birthday?

Question

I am doing genealogy research from census reports and I am trying to figure out when this dude, approx time of year was born..

thanks

Answer 1

The guy was born sometime between June 12, 1853 and August 24, 1853. He could have either been one day short of his 27th birthday on June 11, 1880 or just turned 17 on August 24, 1870.

Answer 2

1863 or 1864 is your answer

Answer 3

well

sometime in 1863

also 1854