Loomis, Elias. The Descendants (by the Female Branches) of Joseph Loomis, Who Came from Braintree, England, in the Year 1638, and Settled in Windsor, Connecticut in 1639. New Haven (CT): Tuttle, Morehouse and Taylor, 1880.
From the Preface:
"This work contains 19,396 names of persons who are believed to be descended from Joseph Loomis, who settled in Windsor, Conn, in 1630. A few of the names are, however, twice inserted, so that the number of different persons is only 19,000. It will be seen from Index first, that the names which occur most frequently are Strong, Olmsted, Burnbam, Skinner, Day, Hall, Judd, Nobel, Lyman, Janes, Hunt, Smith, Taintor, Brown, Root, Barber, Colt, Nettleton, etc."