The Independence Daily Reporter Montgomery County Friday September 10, 1937 Ruby May Jackman Dies at Wichita. Ruby May JACKMAN, six-year-old daughter of Mr. and Mrs. J.C. Jackman, died in a Wichita osteopathic hospital today after a short illness. Death was caused by loss of blood due to excessive hemorrhages following an attack of whooping cough. The body is being brought here by a Potts hearse today. Both Mr. and Mrs. Jackman were in Wichita when death came.