FAMILY #1 (Haplogroup R1b-U106 > Z381 > Z156 > S5520):
Don't know the common ancestor, but Kit #176334 is a GD of 6 from #501107 @ 111 markers.  Kit #180416 is an exact match @ 67 markers with #176334.  They share George Albert Gill (b. 1921 OK) as common ancestor.

Kit #176334 - (contact Joseph Gill --- jl_g@lycos.com)
 Father: <private>
 GF: George Albert Gill (b. 1921 Pushmataha Co., OK)
 1x GF: Audie Albert Gill (b. 1894 Van Buren Co., AR)
 2x GF: Albert Dow Gill aka Stephan Andrew Douglas McMunn (b. 1860 Illinois/Indiana) <-- need more proof of this.  Death Certificate for Albert D. Gill shows same birth date and death date to trees online for "Stephan" Andrew Douglas McMunn.  The source of the info for Stephan is unknown.
 3x GF: Andrew Carroll McMunn (b. 1834 Posey Co., IN) m. Nancy Susy Trombell/Trummel
 4x GF: John McMunn (b. 1793 NC) m. Holly McDaniels

Kit #180416 - (contact Joseph Gill --- jl_g@lycos.com)
 Father: George Albert Gill (b. 1921 OK)
 GF: Audie Albert Gill (b. 1894 Van Buren Co., AR)
 1x GF: Albert Dow Gill (b. 1860 IN)

Kit #501107 -
 3x GF: Robert Munn (b. 1792 Northern Ireland) m. Henrietta Wilson
 4x GF: Neal Munn (changed from McMunn?) m. Margaret Gibson

FAMILY #2 (Haplogroup R1b-M269):
Don't know the common ancestor between kits #902053 and #469864, but they are a GD of 7 @ 67-markers.  Need further SNP testing to confirm terminal SNP/haplogroup.

Kit #902053 - (contact Jeff Munn --- jeff.munn@gmail.com)
 Father: private
 GF: Joseph Munn (b. 1890, Hurley, Wisconsin, d. 1981, Goodrich, Michigan)
 1x GF: Camille Munn (b. 1854, St. Jacques, Quebec, d. 1928, Crookston, Minnesota)
 2x GF: David Munn (b. 1822, St. Jacques, Quebec)
 3x GF: David Munn (b. 1770, Deerfield, Massachusetts, d. between 1831 and 1835, likely Quebec)
 4x GF: Francis Collins Munn (b. 1743, Deerfield, Massachusetts, d. 1818, Deerfield, Massachusetts)
 5x GF: Samuel Munn (b. 1719, Deerfield, Massachusetts, d. 1777, Greenfield, Massachusetts)
 6x GF: Benjamin Munn (b. 1683, d. 1774, Northfield, Massachusetts)
 7x GF: John Munn (b. 1653, Springfield, Massachusetts, d. 1684, Westfield, Massachusetts)
 8x GF: Benjamin Munn (d. 1675, Springfield, Massachusetts)

Kit #469864 - 
Earliest Known ancestor (George Munn b. 1603 England, m.1626/7, d. 1667)


FAMILY #3:

Kit No:B274142 - (contact-scottiemcmunn@yahoo.com)
Kit No:B33753 - (contact-scottiemcmunn@yahoo.com) 
 Father -ARTHUR L MCMUNN(1932-1992) Venango Co.PA GF
 GF: JAMES V MCMUNN (1890-1947) Venango Co.PA
 1X GF: THOMAS MCMUNN(1843-1897) Armstrong Co.PA
 2X GF SAMUEL MCMUNN(1801-1879) Allegheny Co.PA
 3X GF: DANIEL MCMUNN (1757-1830) Belfast, Ireland, Allegheny Co.PA
 4X GF: ALEXANDER MCMUNN(1720-1805) Belfast, Ireland, Donegal, Ireland
 5X GF: ALEXANDER MCMUNN(1671-1723) Kirkmaiden,wigtown Scotland ,Belfast,Ireland
 6X GF: JOHN MCMUNN(1640-Unknown) Kirkmaiden, Wigtown,Scotland