Do you have a specific Carter line you are trying to trace? It would help if you included any of the following you might know in regards to this question.
Timeframe: Dates/approximate dates of b, m, d.
Location: Country > Province/Region/State
Names/relationships: Parent/spouse/sibling/children of the particular ancestral line.
Click edit or comment to the right of your question to add details that might help find the correct ancestors.