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A birth affidavit signed by his father, Joseph Davis, on 26 July 1941 states that Joseph Harold Davis was born on 17 March 1899 in Ozeana, Essex County, Virginia. The affidavit states that Joseph Harold Davis now resides at “121 S. Potomac St. Baltimore, Maryland” and that he is Joseph’s son. The affidavit states “He was born to my deceased wife in my home while I was on the premises.” Signed Joseph Davis of Upright, Virginia. Occupation of Joseph listed as a carpenter.

A birth certificate, which was apparently issued based on the above affidavit, gives birth date as 17 March 1899, at 8:00 a.m.

1900 U.S. Census for Essex County, Virginia:
Rappahannock District, household 357
Davis, Joseph, b. Apr 1873, m. 6 years, farmer, owns, mortgaged, farm schedule 314
Davis, Emma W., b. Apr 1874, m. 6 years, 3 children, all of whom survive
Davis, Grayson, b. Jul 1893
Davis, Liliin [sic] B., b. Jun 1895
Davis, Joseph H., b. Sep 1898
Davis, Francis C., mother of Joseph Davis, b. Dec 1841, widowed, had 7 children, 5 of whom survive.
Everyone but the children could read and write.

1910 U.S. Census, Essex County, Virginia:
Enumeration District 40, Rappahannock District, on Ozeana Road, Dwelling 23, Family 23
Davis, Joseph, head, male, white, age 37, second marriage, married 4 years, born in Virginia, both parents born in Virginia, speaks English, farmer on general farm, can read and write, owns farm, mortgaged, farm schedule 20
Davis, Laura B., wife, female, white, age 25, first marriage, 3 children born, 3 children living, born in Virginia, both parents born in Virginia, speaks English, no occupation, can read and write
Davis, Grayson, son, male, white, age 15, single, born in Virginia, both parents born in Virginia, speaks English, no occupation, can read and write, in school
Davis, Lilian, daughter, female, white, age 13, single, born Virginia, both parents born in Virginia, speaks English, no occupation, can read and write, in school
Davis, Harold, son, male, white, age 11, single, born Virginia, both parents born in Virginia, speaks English, no occupation, can read and write, in school
Davis, Roland, son, male, white, age 9, single, born Virginia, both parents born in Virginia, speaks English, no occupation, can read and write, in school
Davis, Pearl, daughter, female, white, age 7, single, born Virginia, both parents born in Virginia, speaks English, no occupation, cannot read or write, not in school
Davis, Allie, son, male, white, age 3, born in Virginia, both parents born in Virginia, no occupation
Davis, Warren, son, male, white, age 2, born in Virginia, both parents born in Virginia, no occupation
Davis, Ryland, son, male, white, age 4/12, born in Virginia, both parents born in Virginia, no occupation

On 12 September 1918, Harold Joseph Davis completed a draft registration card, giving his full name as Harold Joseph Davis, giving his address as 816 [illegible], Baltimore, Md., age 19, born 17 March 1899, white, native born citizen, occupation crane engineer for Canton Railroad Co. of Baltimore, Md., nearest relative Joseph Harold Davis of Ozeana, Virginia, medium height, medium build, gray eyes, brown hair, no disabilities, signed Harold Joseph Davis. [World War I Draft Registration Card, Roll 1654042.]

Marriage date to Julia Kopp from family Bible.

1920 U.S. Census, Baltimore City, Maryland
Enumeration District 9, 1st Ward, Sheet 18
2717 Eastern Avenue
Tuerke, Mary, head, owned, mortgaged, female, white, age 28, widowed, can read and write, born in Maryland, both parents born in Maryland, speaks English, pillmaker for drug co., wage worker
Tuerke, Clara W., daughter, female, white, 8, single, in school, born in Maryland, both parents born in Maryland, no occupation
Davis, Joseph H., brother-in-law, male, white, 23, married, can read and write, born in Virginia, both parents born in Virginia, speaks English, engineer for locomotive, wage worker
Davis, Julia, sister, female, white, 24, married, can read and write, born in Maryland, both parents born in Maryland, speaks English, no occupation

The 1921 Baltimore City Directory lists on page 673:
Davis, Jos H eng h 2717 Eastern av

1930 U.S. Census, Baltimore City, Maryland
Ward 1, Trace 2, Block 20, Enumeration District 4-6, Supervisor’s District 4, Sheet 7B
Enumerated on 5 April 1930
121 S. Potomac Street
Dwelling 152, Household 154
Mundt, Walter M., head, renting for $26, male, white, age 31, married, first married at age 19, not in school, can read and write, born in Maryland, father born in Germany, mother born in Maryland
Mundt, Marie, wife, female, white, age 29, married, first married at age 17, not in school, can read and write, born in Maryland, both parents born in Maryland
Mundt, Marie, daughter, female, white, age 9, single, in school, can read and write, born in Maryland, both parents born in Maryland
Household 155
Davis, Joseph H., head, owner, $3,780 in real estate, owns a radio set, male, white, age 33, married, first married at age 25, not in school, can read and write, born in Virginia, both parents born in Virginia, occupation crane operator for railroad, wage worker, at work previous day
Davis, Julia, wife, female, white, age 34, married, first married at age 24, not in school, can read and write, born in Maryland, both parents born in Maryland, no occupation
Davis, Harold F., son, male, white, age 7, single, in school, can read and write, born in Maryland, father born in Virginia, mother born in Maryland, no occupation

1930 Baltimore City Directory, page 394:
Davis Jos H (Julia) crane opr h121 s Potomac

1940 U.S. Census, Baltimore City, Maryland
1st Ward, Enumeration District 4-2, Sheet 9
121 S. Potomac Street
Household 239, owned, valued at $3,000, not on a farm
Davis, Joseph H., head, male, white, 44, married, not in school, highest level of education 6th grade, born in Virginia, living in same place in 1935, not living on a farm, at work week of March 24–30, 40 hours worked that week, crane operator for rail road, wage worker, 52 weeks employed in 1939, income in 1939 $2,600, no other sources of income
Davis, Julia, wife, female, white, 44, married, not in school, highest level of education 6th grade, born in Maryland, living in same place in 1935, not living on a farm, not at work, not seeking work, engaged in housework, no other sources of income
Davis, Harold, son, male, white, 17, single, in school, highest level of education completed 12th grade, born in Maryland, living in same place in 1935, not living on a farm, not at work, not seeking work, student, no other sources on income
Davis, Kenneth, son, male, white, 17, single, in school, highest level of education completed 3rd grade, born in Maryland, living in same place in 1935, not living on a farm, no other sources of income