Grand Rapids Herald
2/8/1939, page 12

COOPER – Mrs. Martha (WERTS) COOPER, aged 66 of Cedar Springs entered into rest Tuesday afternoon. Survivng are her daughters, Mrs. Louis SCHOONMAKER of Cedar Springs, Mrs, Lillian WERTS and Bernice STOEKPER, two sons Chancey and Charles, three brothers, Fred, Jess and Edward of this city, one sister, Mrs. Cora ? Of Pontiac; 18 grandchildren and ? Grandchildren. The body was removed to the Sullivan Funeral Home, where services will be held Friday. Internet in Garfield Park Cemetery.