Also listed with Herodias Killet is Eliza Killet, age 12. This may be Miriam Elizabeth
From the 1850 Sampson Co., NC census in household #745/745:
John O. Killett, age 21, laborer, born North Carolina
Mariah Killett, age 18
Susan Killett, age 41 (possibly the Susan Killett buried beside Charity Killett)
Elizabeth Killett, age 20
Caroline Killett, age 18
James Killett, age 16
William Killett, age 5
George Killett, age 2