Currently there are 11 different subgroups, tied to UK ancestors:

 1) Connecticut family: James Eggleston, b.1552-1562?, Yorkshire? and
    Joseph Eggleston, b circa 1685, d 1767 Stonington, CT
 2) English family
 3) Iggulden family: Daniel Iggulden, 1742-ca 1800, Kent
 4) Ireland family: William Eccleston b 1830,Ireland; d 1910 NY
 5) London family: Nicholas Egleton, b ca 1545, Buckinghamshire
 6) Midlands family: John Eggleston, 1737-1816, Nottinghamshire
 7) Oxfordshire family
 8) Scotland family: Daniel Eagleton, 1748-1828,Scotland
 9) Virginia family: Richard Eggleston,1611-19, England; to VA 1635
10) Weardale family
11) Yorkshire family: John T. Eagleston, b 1741, E.Riding,Yorkshire;
      d 1815, NY City