Do you have a time period, a state, or other family names, cousin, uncle?? It would help those of us who would like to help you get started. If you know port they came to in America?? You can find a little clue in so many places. Years ago some one gave me a short poem (he had got back to the Mayflower)
GENEALOGY Begins as an interest Becomes a hobby Continues as an avocation Takes over as an obession And in its last stages An incurable disease.