There is a Pennsylvania Death Cert for Lydia Mummert Becker. Died March 31, 1923 as a widow. Born March 15, 1835 to Jacob Mummert and Lydia Bair, both of Pennsylvania.
Pennsylvania Historic and Museum Commission; Pennsylvania, USA; Pennsylvania, Death Certificates, 1906-1965; Certificate Number Range: 040501-043500. Certificate: 41266. Ancestry.com. Pennsylvania, Death Certificates, 1906-1966 [database on-line].