MH
Mildred Harris — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Ohio
Our Model Tree links this Mildred Harris across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Ohio (XGBoost, ~Confirmed), with identified parents David & David — first a daughter (b.~1907), then head of a 5-person household.
Age 33
b. ~1907
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Ohio |
| Surname | Harris |
| Given Name | Mildred E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Steubenville |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Insurance Co |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1200 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Stenographer |
| Township / Ward | Steubenville |
| Est. Birth Year | ~1907 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Bettie Harris | Daughter | — | 25 | ~1915 |
| Milton Harris | Son | — | 18 | ~1922 |
| David Harris | Head | — | 63 | ~1877 |
| Mildred Harris | Daughter | — | 33 | ~1907 |
| Mary Harris | Daughter | — | 51 | ~1889 |
Census Appearances
1920
Jefferson, Ohio
Daughter, age 12
Jefferson, Ohio · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Welsh |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Jefferson, Ohio
Daughter, age 23
Jefferson, Ohio · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Mildred E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Stenographer |
| Industry | Insurance Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Jefferson-County, Ohio
Daughter, age 33
Jefferson-County, Ohio · implied b. ~1907 — 5 household members
| Surname | Harris |
| Given Name | Mildred E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Steubenville |
| 1935 Residence (County) | Jefferson |
| Occupation | Stenographer |
| Industry | Insurance Co |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1200 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mildred Harris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father David Harris (~0.92 confidence) and father David Harris (~0.92 confidence) and mother Mary Harris (~0.92 confidence) and father David Harris (~0.60 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Father
David Harris
b. ~1877
Source father
● Household
· direct · ~0.92
Father
David Harris
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Mary Harris
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
David Harris
b. ~1897
Source father
● Household
· direct · ~0.6
This person
Anchor record
Mildred Harris
Daughter · 1940 · age 33 · b. ~1907 · Ohio
★ You are viewing this record
Sibling
Bettie Harris
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Harris
Sibling · 1940 · age 51
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Milton Harris
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Jefferson-County, Ohio
Open full size
1940 US Federal Census — Jefferson-County, Ohio
Page Contents
32 people indexed on this census page (nara:1940:m-t0627-03091-00826)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herbert L. | 21 | Son | — | Pennsylvania |
| 2 | Eleanor A. Baker | 31 | Maid | Maid | Ohio |
| 3 | David J. Harris | 63 | Head | Shoe Maker | Wales |
| 4 | Mary A. Harris | 51 | Daughter | — | Wales |
| 5 | Mildred E. Harris THIS PERSON | 33 | Daughter | Stenographer | Ohio |
| 6 | Bettie J. Harris | 25 | Daughter | Bill Clerk | Ohio |
| 7 | Milton D. Harris | 18 | Son | Clerk | Ohio |
| 8 | John Morris | 49 | Head | Loco Eng. | Kentucky |
| 9 | Lucada Morris | 40 | Wife | — | Kentucky |
| 10 | Juanita Morris | 19 | Daughter | — | Ohio |
| 11 | Laura Morris | 18 | Daughter | Clerk | Ohio |
| 12 | John Morris | 15 | Son | — | Ohio |
| 13 | Irene Morris | 14 | Daughter | — | Ohio |
| 14 | George Morris | 12 | Son | — | Ohio |
| 15 | Clarence Wyatt | 44 | Lodger | Crane Operator | W. Virginia |
| 16 | Mary Kenworthy | 70 | Head | Jr. Clerk | W. Virginia |
| 17 | James Ioland | 9 | Son | — | Ohio |
| 18 | Donald Ioland | 7 | Son | — | Ohio |
| 19 | Martha Thornton | 19 | Sister | — | Ohio |
| 20 | Earl O. Martin | 40 | Head | Labourer | Ohio |
| 21 | Mary Martin | 36 | Wife | — | Pennsylvania |
| 22 | Alfred E. Martin | 14 | Son | — | Ohio |
| 23 | Charles E. Martin | 9 | Son | — | Ohio |
| 24 | Richard L. Martin | 6 | Son | — | Ohio |
| 25 | Shirley A. Martin | 4 | Daughter | — | Ohio |
| 26 | Fred O. Whaley | 31 | Head | Laborer | W. Virginia |
| 27 | Elva Whaley | 26 | Wife | — | W. Virginia |
| 28 | Frederick Whaley | 5 | Son | — | Ohio |
| 29 | Wanda J. Whaley | 3 | Daughter | — | Ohio |
| 30 | Viola M. Whaley | 1 | Daughter | — | Ohio |
| 31 | Blanche Six | 16 | Friend | Maid | W. Virginia |
| 32 | Garnie Myers | 33 | Lodger | Laborer | Georgia |
Pedigree Summary
Mildred + 3 siblings
Gen 1 · 4 parents
~0.84
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)