Thomas Boyce

 Nancy E. Smalley
Nancy E. was born in 1836.

 Unknown Boyce
Unknown was born on January 15th, 1852.  She died at just 7 days old on January 22nd, 1852.

 James M. Boyce
James M. was born on December 17th, 1856.  He died at the age of 4 on February 14th, 1861.

 Girreldia Boyce
Girreldia was born on September 1st, 1859.  She died at the age of 13 on September 14th, 1872.