1940 U.S. Census, Baltimore City, Maryland
26th Ward, Enumeration District 4-760, Sheet 3B
3416 O’Donnell Street, household 41, rents, $20, not on farm
Davis, Emmett Sr., head, male, white, 45, married, not in school, highest level of education completed 8th grade, born in Virginia, lived in same house in 1935, at work week of March 24–30, worked 48 hours that week, conductor for railroad, works on own account, worked 45 weeks in 1939, income in 1939 $1,500, no other sources of income
Davis, Ida, wife, female, white, 42, married, not in school, highest level of education completed 8th grade, born in Virginia, lived in same house in 1935, not at work, not seeking work, engaged in housework, no other sources of income
Davis, Emmett Jr., son, male, white, 22, single, not in school, highest level of education completed 8th grade, born in Maryland, lived in same house in 1935, not at work, not seeking work, listed as “other” (not in school), no other sources of income
Davis, Joseph, son, male, white, 17, single, in school, highest level of education complete 12th grade, born in Maryland, lived in same house in 1935, not at work, not seeking work, in school, no other sources of income
Davis, Arlene, daughter, female, white, 6, single, in school, highest level of education complete 1st grade, born in Maryland, lived in same house in 1935, not at work, not seeking work, in school, no other sources of income
3416 O’Donnell Street, household 41, rents, $18, not on farm
Smit, John Sr., head, male, white, 24, married, not in school, highest level of education 2 years of high school, born in Maryland, lived in same house in 1935, at work week of March 24–30, worked 40 hours that week, laborer in brewery, wage worker, 52 weeks worked in 1939, income in 1939 $1,300, no other sources of income
Smit, Esther, wife, female, white, 23, married, not in school, highest level of education 4 years of high school, born in Maryland, lived in same house in 1935, not at work, not seeking work, engaged in housework, no other sources of income
Smit, John Jr., son, male, white, 1, single, not in school, born in Maryland, lived in same house in 1935 [sic], not at work, not seeking work, no other sources of income

On 24 June 1942, Joseph Harold Davis registered for the World War II draft, giving his address as 3416 O’Donnell Street, Baltimore, Maryland; age 19; place of birth Baltimore, Maryland; date of birth 25 December 1922; name of person who will always know your location, Mrs. Ida Grace Davis of same address, mother; employer Glenn L. Martin, Middle River, Maryland; white; height 6 feet; weight 170; hazel eyes; brown hair; ruddy complexion; scar on right knee.

Joseph married Katherine Smit at United Evangelical Reformed Church, East Avenue and Dillon Street, Baltimore, Maryland. No year is on the invitation.

A death notice reads [paper unknown, no date]:
DAVIS
On January 19, 1979, JOSEPH HAROLD, beloved husband of Katherine M. Davis (nee Smit) devoted father of Linda A. Mikula, Lorraine G. Richter, Kathy E. Tucker and Joseph E. Davis, devoted grandfather of Dawn and Corrine Mikula, beloved son of Mrs. Ida Grace Davis (nee Stevens) and the late Emmett G. Davis, devoted brother of Virginia E. Smit and Arlene G. Der. ¶Funeral services will be held at the Duda-Ruck Funeral Home of Dundalk, Inc., 7922 Wise avenue, on Wednesday at 11 A.M. Interment in Oak Lawn Cemetery. Friends may call on Sunday, Monday and Tuesday from 2 to 5 and 7 to 9 P.M.