This obituary (recently posted at another message board system) probably explains the connection:
"Frank P. Evey, Sr. b.Feb. 13, 1864, d. July 10, 1924
"Decatur Daily Review (Decatur, Illinois) July 11, 1924
"FRANK P. EVEY, LONG ILL, DIES "Retired from Farming Six Years Ago. --------- "Frank P. Evey died at 9:30 o'clock Thursday night at St. Mary's hospital.He was sixty years old last February. Mr. Evey had been in failing health for about six years. Six weeks ago his condition grew worse, and for the last eight days he was in the hospital.
"Mr. Evey was well known in Decatur and vicinity, having spent practically all his life in Macon county. He was born at Center Ridge, northwest of Decatur, Feb. 13, 1864. For many years he was engaged in farming, but retired about six years ago when his health began to fail. His wife died June 15, 1919. He was a member of Easterly camp, 1626, Modern Woodmen of America, and had many friends.
"He is survived by one daughter, Mrs. Julia E. Allen, and three sons, Frank, Jr., Mack and Cecil M. Evey, all of Decatur. He also leaves four brothers and two sisters, Douglas Evey of Cisco, Samuel Evey of Mt. Zion, Ernest Evey of Clinton, Charles Evey of Santa Cruz, Cal., Mrs. James Greenfield of Argenta and Mrs. William Wallace of Maroa. There are five grand-children. The body was removed to the Moran & Sons undertaking establishment and prepared for burial."
Note that it names one of the survivors as Frank's brother, "Samuel Evey of Mt. Zion."
This is the descendancy for Samuel:
Michael Eveyb: 1798 MD or PAd: April 23, 1875Woodford County, IL .+Lydia Myersb: 1803 PAd: Aft. 1880 ...2Michael Evey, Jr.b: February 19, 1831Franklin County, PA ......+Sarah Peddecord [Peddicord]b: 1832 Madison County, OH ........3Samuel Eveyb: 1874 ILd: Aft. 1930