I do not have any information on your Edna Rose L'Hommedieu, but I had to note what I consider to be an eerie coincidence.
My Mother's father was William Peryn L'Hommedieu, 1886-1965, Delos, William Wallace, Issac Albert, James, Jr., James, Sr., John, Jr., John, Sr., Benjamin, Pierre.
My Father's Mother was Clara Elizabeth Waelde, 1880-1942, Frederick J., Frederick