Will this answer your question: The family moved from PA to Mower Cty, MN bef. 1870.In 1870, they lived in Red Rocks, MN according to the census
Some info from the book about Robert Burdick of RI.
Orrin Sylvester BURDICK. He and his family are listed in Red Rock township of Mower County for the 1870 census. I cannot find them again until the 1895 Martin county census. Orrin's wife's name was Mercy Jane GREEL(E)Y. Their children's names were Harriet (Hattie) Mae (later Anibal), Minnie Cordelia (later Preston) and Milton. They were originally from McKean County, PA.Linnea's information.
1860 Census, McKean Co, PA. Norwich Township, p. 772 Orrin Burdick, 42, M, Farmer b. PA Jane' 24, F, b. NY Delmont" 20 M, b. PA Geo. M " 11, M, b. PA George and Delmont were Orrin's sons from his first marriage to Betsy Smith.
1870 Census, Mower Co, MN. Red Rock Twp. Burdick, Orrin, 51, MW Blacksmith Pennsylvania " Jane, 32, F,W, New York "Harriet 8, F, Pennsylavania "Milton, 6, M, Pennsylvania "Minnie, 4, F, Pennsylvania
1880 Census, Mower County, MN. Red Rock Township. ED. 168P. 552 A Burdick, Orson [sic] S.M 61 Farmer.B. PA. FB NY MB.NY -----M.JaneF 41 b. PA FB. Conn, MB. NY -----Milton H. M 17, b. PA -----Minnie CF. 14 +++++++++