I. Daniel McMillan, b. County Derry, Ireland, immigrated 1793 & settled near Pittsburgh, PA, then to Victory, PA 1802 where purchased 500 acres, part later owned by son Daniel. d. Rockland Twp, at advanced age.

A. John McMillan, settled in Mercer Co., PA
B. William McMillan, in 1802 in Wolf Creek Twp., Mercer Co., PA, served at Erie in War of 1812, d. 1843, m. Margaret Robb

1. Daniel McMillan
2. Robert McMillan
3. Andrew J. McMillan, M.D. practiced in Clintonville, PA, then moved to KS
4. John Boone McMillan, M.D., b. 1827, practiced in Clintonville, PA with brother, m. 1851, Mary Stewart Phipps, b. 1831, dau. of David Phipps (See Phipps Family Outline)

a. Andrew J McMillan, of KS
b. Margaret McMillan, b. 1855, m. William Tribby of Sharpsville, PA
c. Sadie Elizabeth McMillan, b. 2/9/1857, Clintonville, Venango Co., PA, m. 3/20/1876, Oil City, Venango Co., PA, William McKee of Clintonville, PA, b. 7/7/1845, son of James & Mary (Cochran) McKee.

1) Mary A. McMillan
2) Maggie L. McMillan
3) John D. McMillan
4) Katie McMillan
5) Blanche McMillan

d. Almira Mary McMillan, b. 1859
e. Blanche G. McMillan
f. Austa N. McMillan

5. Margaret McMillan, m. M. Elrod
6. Matilda McMillan
7. Eliza McMillan, m. twice, 1st – John McMullen, 2nd – Robert Hutchinson
8. Mary McMillan, m. Samuel Thompson

C. Daniel McMillan

 Daniel McMillan m.  Mary Witherup, b. ca. 1837  (See Witherup Family Outline)

 Oliver Dutton McMillan, m. Sarah Witherup (See Witherup Family Outline)