Issac Callahan b. March 23, 1867 Porterville, Cal. d. July 10, 1919 San Antonio. Wife, Matilda Jane(Slaughter), may have died by then. There were four children, one named Mike.Issac lived in Bandera County and Bexar County. I am looking for any information on Matilda or the children.Issac married again in 1901 and had six more children.