1922 Howard Haines Lowry died on May 30. [1]
1938 Margaret Erwin Holt Lowry died on October 3. [2]
The University of North Carolina Library has a collection of letters and papers of Howard Haines Lowry. [3]
[1] Find A Grave Memorial 135703608, [FindAGrave].
[2] Find A Grave Memorial 135703609, [FindAGrave].
[3] University of North Carolina Library, [URL].