Barnabas Otis
Barnabas was born on January 14th, 1759.  He died at the age of 91 on January 15th, 1850.

 Mabel Mehitable Turner
Mabel Mehitable was born on May 7th, 1765.  She died at the age of 84 on January 1st, 1850.

 Stephen Otis
Stephen was born on June 10th, 1784.  He died at the age of 84 on June 19th, 1868.