- In search of the Parents of Hezekiah Ellis A Research Study by Robert L. Ellis (R1b Group 9) (pdf file)
- DNA Testing allows identification of likely ancestors of Jesse Ellis of Northampton, Summit County, Ohio by Ron Benson (pdf)
- In Search of the Elusive Parentage of William Ellis By Laura Lefler (I Group 1) (pdf file)
- Is Rowland Ellis the same person as Rowland Nanney? Submitted by Mark Anway (pdf file)
- The two families of James Ellis Sr. (1772-1849) Submitted by John Ellis
- Ellis Surname DNA Project: Follow Up of Results in by Robert L. Ellis
- Ellises in Maryland in 17th – Mid-18th Centuries by Robert L. Ellis
- Other Ellis Families in Colonial Maryland in the 17th and Early 18th Centuries by Robert L. Ellis
- Some Speculations and Wrapping Up by Robert L. Ellis