Kammala wannan jumla: A 1837, Barker ya rike ofishin Alderman na 5th ward kuma ya zauna a wani gida a Hudson Street. An zabi shi a matsayin magajin gari mai aiki a ranar 21 ga Disamba, 1837, bayan Josiah Trowbridge ya yi murabus. Nan da nan sai ya yi kokarin kwantar da hankalin da ke cikin birni saboda yunkurin juyin juya halin Kanada, ko "
Yaƙin Ƙasa". Lokacinsa ya ƙare a 1838 kuma wani lokaci bayan 1841 Barker ya bar Buffalo kuma ya koma Natchez, Mississippi. Ya mutu yana da shekara 79 a Natchez Mississippi