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On 31 May 1895, a female white child was born at 823 S. Montford Avenue, Baltimore City, Maryland, to Maggie [sic] Kopp, maiden name Stroehlein, born in Baltimore, and Charles Kopp, a laborer, born in Baltimore. This was their ninth [sic] child. Medical attendant was Mrs. Deisenhofer of 2225 Gough Street. [Baltimore City, Maryland, Return of a Birth 65633.]

Birth date from family Bible.

1900 U.S. Census for Baltimore City, Maryland:
Vol. 11, E.D. 76, Sheet 4, Line 86
Montford Avenue, Baltimore, house number 823
Charles Kopp, white, born June 1857, age 42, born in Maryland. Day laborer. Both parents born in Germany. He owned his house, which was mortgaged. Married 18 years
Minnie Kopp, wife, born June 1862 in Maryland, age 37. She had had 10 children, of whom 5 were living. Both parents born in Germany
William Kopp, son, born December 1881 in Maryland, age 18, boiler maker
Charles Kopp, son, born July 1886 in Maryland, age 13, at school
May Kopp, daughter, born October 1891 in Maryland, age 8, at school
Julia Kopp, daughter, born May 1895 in Maryland, age 5
John R. W. Kopp, son, born December 1897 in Maryland, age 2
All could read and write.

1910 U.S. Census, Baltimore City, Maryland:
Enumeration District 8, Ward 1, page 2B
2705 Eastern Avenue, Dwelling No. 30, Family No. 35
Donaldson, Robert C [sic], head, male, white, age 46, married twice, number of years of present marriage: 7, born in Maryland, both parents born in Maryland, speaks English, occupation traveling salesman, merchant tailor, wage earner, not out of work in 1909 or 1910, can read and write, owns house free of mortgage
Donaldson, Minnie, wife, female, white, age 48, married once [sic], number of years of present marriage: 7, mother of 10 children, 7 children living, born in Maryland, both parents born in Germany, speaks English, no occupation, can read and write
Kopp, Charles, step son, male, white, age 24, single, born in Maryland, both parents born in Maryland, speaks English, no occupation, can read and write, in school since 1 September 1909
Kopp, Julia, step daughter, female, white, age 15, single, born in Maryland, both parents born in Maryland, speaks English, no occupation, can read and write, in school since 1 September 1909
Kopp, John, step son, male, white, age 13, single, born in Maryland, both parents born in Maryland, speaks English, no occupation, can read and write, in school since 1 September 1909
Kopp, Frank, step son, male, white, age 10, single, born in Maryland, both parents born in Maryland, speaks English, no occupation, can read and write, in school since 1 September 1909
Donaldson, Cecilia, daughter, female, white, age 6, single, born in Maryland, both parents born in Maryland, no occupation

Marriage date 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

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

Julia H. Davis was mentioned in the 3 February 1938 will of her mother Minnie Donaldson. She was to receive one-seventh of her mother’s real and personal estate. The will was proved on 5 August 1939. [Baltimore City, Maryland, Wills, J.H.B. 193, pages 277–279.]

On 1 July 1939, in the settlement of the estate of her mother Minnie Donaldson, Julia H. Davis received one-seventh of the estate. [Baltimore City, Maryland, Administration Accounts J.H.B. No. 358, pages 91–93.]

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

A death certificate provides the following information: Julia Davis. Died 22 April 1960 at University Hospital in Baltimore 1, Maryland. Female, white, married. Usual residence: 4816 Gitray Drive, Baltimore. Born 5/13/1895. Age 64. Housewife, at home. Born in Maryland. U.S.A. citizen. Father: Charles Kopp. Mother: Minnie (Unknown). Died of Carcinomatosis of unknown origin. Interval between onset and death unknown. Attended from 3-26-60 to 4-22-60. Died at 10:50 pm. Buried at Parkwood Cem. on 4/26/60. Funeral director: Henry Sander & Sons Inc. Baltimore. [Hall of Records, Annapolis, Maryland, microfilm CR 48,343 (Baltimore City Deaths), record 60 04591.]

Services after her death were held at Calvary Methodist Church, Fleet Street and East Avenue, Baltimore, Maryland, 26 April 1960, 11 A.M., Rev. James P. Archibald officiating. Interment at Parkwood Cemetery, Baltimore, Maryland.