This says they did not move to Missouri until 1866. George P may have hooked up with Price East of the Mississippi

Dr. Forrest C. Allen, the widely-known director of physical educa-
tion and athletics of the Warrensburg State Normal School, is one of
the most prominent practitioners of osteopathy in this section of Mis-
souri. Dr. Allen was born November 18, 1885, in Jameson, Daviess
county, a son of William T. and Mary E. (Perry) Allen. William T.
Allen was born in Virginia in 1850, a son of George P. and Sarah (Mil-
ler) Allen. The Allens came to Missouri from Virginia in 1866 and
settled in Daviess county, where for many years George P. Allen was
county surveyor. He was a Confederate veteran, having served in the
regiment commanded by General Sterling Price. Both Mr. and Mrs.
George P. Allen are now deceased. Mrs. Allen died in 1904 at Inde-
pendence, Missouri, where the son, William T., now resides. Mary
E. (Perry) Allen is a daughter of Reverend John Wesley Perry, a native
of Virginia, who came to Missouri within a short time after the close
of the Civil War and settled in Daviess county. Reverend Perry was
also a Confederate veteran. He served throughout the war under
General Robert E. Lee, one of the best military leaders the world has
ever known. To William T. and Mary E. Allen have been born six
children, all of whom are now living: Homer P., a prominent lumber-
man of Independence, Missouri; Elmer M., a successful motor car dealer
of Independence, Missouri; Harry B., captain of Battery F, Second
Missouri Field Artillery; Forrest C., the subject of this review; Hubert
Lee, formerly a motor car dealer in the employ of Studebaker's manu-
facturing company located at San Francisco, California, and now with
the United States Aviation Corps; and Richard C., who recently enlisted
with the United States Aviation Corps at St. Louis, Missouri. The
six sons of Mr. and Mrs. William T. Allen composed the well-known
and remembered "Allen Brothers' Basket Ball Team."
Dr. Forrest C. Allen is a graduate of Independence High School,
Independence, Missouri. While a student in high school, Doctor Allen
was a member of every athletic organization in the school and played
on every team, taking an active and prominent part in all forms of