This will take some sleuthing.
1. How far is Litchfield from Pottsville? The 1850 Census for Litchfield, Bradford, Pennsylvania, shows Elizabeth Potts, age 45, along with three children: Martin, age 14; Jane, and Margaret. All four individuals were born in Pennsylvania.
Year: 1850; Census Place: Litchfield, Bradford, Pennsylvania; Roll: M432_757; Page: 207B; Image: 170
2. Another 1850 census from Pennsylvania lists Martin Potts, age 11, living with John & Kate Potts (ages 46 and 44) and several other children.
Year: 1850; Census Place: North Manheim, Schuylkill, Pennsylvania; Roll: M432_826; Page: 342B; Image: 368
Do you know the names of Martin's brothers and sisters?