These old families kept names in the family through generations.
Josiah Sparks married Penelope Brown 1749 in Maryland. Record in Ancestry. They had a son Elijah, born 1754, died 1812, buried St James cemetery, Monkton, Baltimore County. His wife was Annie. She is buried with him. These are Elijah Brown Sparks's parents
There is a book BALTIMORE COUNTY FAMILIES 1659-1759, available to read online
https://openlibrary.org/works/OL528937W/Baltimore_County_families_1659-1759
You have to sign up for a library card to read. I have belonged to openlibrary for 10 years. Great site