Our family history also says our Horrocks came to Michigan from England (possibly through Canada). My ggrandfather was John Horrocks b. 1847, d. 1908, m. Geraldine Densmore (Dunsmore) b. 1854, d. 1935. Both are burried in Evergreen Twp. Cemetery in Sheridan, MI. Ch. Thomas (no dates), Margaret b. 1872 d. 1954 m. Joseph H. Willmore b. 1862 d. 1951. Ch. Bessie b. 1892, d. 1979, George (no dates), Joe Jr., b. 1895 d. 1918, Lena b. 1900 d. 1919, Susie Thelma (my grandmother) b. Oct. 1902 d. Nov. 1982, Genevieve b. 1905 (living), Norman L. b. 1913 d. 1998, Margaret b. ?? d. 2001.
Hope this helps and would like any info you may have.