Albert Hinckley was married to Ada U Wicksall.
Death of his first wife Bina:
Bina Hinckley Death "Michigan Deaths and Burials, 1800-1995," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FHP2-6TY : 9 December 2014), Bina A. Hinkley, 13 Mar 1875; citing Paw Paw, Van Buren, Michigan, reference v B p 103; FHL microfilm 1,019,195.
"Michigan Deaths and Burials, 1800-1995," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FHP2-6Y9 : 9 December 2014), Albert H. Hinkley in entry for Hinkley, 13 Mar 1875; citing Paw Paw, Van Buren, Michigan, reference v B p 103; FHL microfilm 1,019,195.
"Michigan Births, 1867-1902," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:NQJC-PRM : 4 December 2014), Albert H. Hinkley in entry for Hinkley, 13 Mar 1875; citing item 2 p 325 rn 40, Paw Paw, Van Buren, Michigan, Department of Vital Records, Lansing; FHL microfilm 2,320,526.
Listed right below Joseph and Selina in 1875
Death of his father:
Asa G Hinckley Death "Michigan Deaths and Burials, 1800-1995," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FHPK-VMG : 9 December 2014), Asa G. Hinckley, 17 Jun 1871; citing Paw Paw, Van Buren, Michigan, reference v B p 42; FHL microfilm 1,019,195.