Analysis and categorization of McDowell DNA results is an ongoing process. As new participants join the project, additional family histories are documented, and advanced DNA testing becomes available, existing groupings may be refined and new genetic lineages identified.

The single greatest need within the project is for more Big Y-700 testing. Big Y-700 results provide the resolution necessary to discover new branches, refine haplogroup structure, estimate the time to common ancestors, and determine how various McDowell families relate to one another. Each new Big Y-700 result strengthens the value of the project for all participants.

Members whose results have not yet been categorized should understand that review and placement may take time as research is conducted and new evidence becomes available. Categorization is a continuing effort, and project groupings will be updated whenever new information supports a more accurate placement.

The McDowell Surname Project is a long-term collaborative research effort. Every new test, family history contribution, and Big Y-700 upgrade helps move us closer to a better understanding of McDowell origins and relationships.