1910 U.S. Federal Census: the occupation columns, giving Ella's work as "Trained Nurse," "General Practice," on her own account.
Image · dated 1910 · source: National Archives and Records Administration / Ancestry.

How it is shown: Readable column crop; complete original retained privately.
Evidence for
- 1910 U.S. Federal Census, Haverhill Ward 2, Essex Co., Massachusetts · the original at NARA T624, roll 582, ED 306, sheet 5B, via Ancestry