All the following are Free, No Fee, no need to login (except ancestry one), read online or download!
Genealogy of the Ellis family, 1641-1913 (1913)http://archive.org/details/cu31924029840844
Biographical Sketches of Richard Ellis, the First Settler of Ashfield, Massachusetts and His Descendants; Ellis, E. R.; 1888.
(Same book, multiple uploads, you choose!)http://archive.org/details/biographicalske00elligooghttp://archive.org/details/biographicalsket1888ellihttp://archive.org/details/biographicalsket00elliialahttp://archive.org/details/biographicalsket00elli
Descendants of Rowland Ellis and Sallie Abrams of Massachusetts, Frank Rogers Ellis, 1893.http://search.ancestry.com/search/db.aspx?dbid=17844
Millwood, a family tree; a partial history of the descendants of John Ellis of Rehoboth, Mass., Ellis, Francis O., 1909.http://archive.org/details/millwoodfamilytr00elli
Notices of the Ellises of England, Scotland and Ireland, from the Conquest to the Present Time, Ellis, William Smith, 1857.http://archive.org/details/noticesofellises00ellihttp://archive.org/details/noticesofellises2nd00elli
The Ellis Family, Foos, Mrs. Katharine, 1900.http://archive.org/details/ellisfamily00fooshttp://archive.org/details/cu31924029840976
Early New England People: Some Account of the Ellis, Permberton, Willard, Prescott, Titcomb, Sewall and Longfellow, and Allied Families. Titcomb, Sarah E. 1882.http://books.google.com/books/about/Early_New_England_people...