At Ancestry.com, I found in the Social Security Death Index:
SSN295-24-0009 Residence:43548New Bavaria, Henry, OH Born14 Oct 1905 Last Benefit:45875Ottawa, Putnam, OH DiedNov 1977 Issued:OH (Before 1951)
In the Ancestry World Tree Search Results, there were two family trees:
Martha Ann Schullermarried to a Lowell Mason.
Her parents were Albert John Schuller and Lois Eulline Gebhardt. Their children are: Kathleen Marie Schuller Junior Albert Schuller Robert Joseph Schuller Joan Irene Schuller Alice Mae Schuller Mary Elizabeth Schuller Carol Jean Schuller Martha Ann Schuller Margaret Lou Schuller Ronald William Schuller Bradley Milo Schuller
Martha Ann Schuller married to a John Norman Caza.
Her parents were Arthur Franklin Schuller and Martha Sarah GilgnbaughTheir children are:
Melvin William Schuller Helen Clara Schuller Lillian Mary Schuller Norbert Lewis Schuller Ruth Kathryn Schuller Donald Frederick Schuller Kenneth Albert Schuller Martha Ann Schuller Lenora Margaret Schuller Sharon Veronica Schuller Arthur James Schuller
Are any of these the Martha Ann Schuller you were looking for?