1940 Census:

1600 Pennyslvania Ave.

Name: Ella F. Sampson
Relation to Head: Servant
Sex: Female
Race: Negro
Age: 32
Marital Status: Single
Education: 2 years College
Birthplace: South Carolina
Residence 1935: Woodruff, Spartanburg, S.C.
Occupation: Maid/Government
Home of: Franklin Roosevelt, President

https://familysearch.org/pal:/MM9.1.1/VNT3-2MW
name: Thomas Johnson
event: Marriage
event date: 24 Aug 1946
event place: District of Columbia, United States
age: 38
estimated birth year: 1908
spouse: Ella F Sampson
spouse's titles & terms:
spouse's age: 38
spouse's estimated birth year: 1908
film number: 2319886
digital folder number: 4669070
image number: 00731
Collection: Ella F Sampson, "District of Columbia Marriages, 1811-1950"