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Dorothy Long — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dallas-County, Texas
Our Model Tree links this Dorothy Long across the 1920, 1930 and 1940 US Censuses in Dallas-County, Texas (XGBoost, ~Confirmed), with identified parents Jack & Leslie — first a daughter (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Female
Daughter
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dallas-County, Texas |
| Surname | Long |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Dallas City |
| 1935 Residence (County) | Dallas |
| Additional Details | |
| Occupation | Attendant |
| Industry | Photography Studio |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 100 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Attendant |
| Township / Ward | Dallas City |
| Est. Birth Year | ~1918 |
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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Nellie Long | Spouse | — | 42 | ~1898 |
| Dorothy Long | Daughter | — | 22 | ~1918 |
| Leslie Long | Head | — | 48 | ~1892 |
| L Long | Son | — | 26 | ~1914 |
| Jean Long | Son | — | 21 | ~1919 |
Census Appearances
1920
Dallas, Texas
Daughter, age 1
Dallas, Texas · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Occupation | none |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Dallas, Texas
Daughter, age 12
Dallas, Texas · implied b. ~1918 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Dallas-County, Texas
Daughter, age 22
Dallas-County, Texas · implied b. ~1918 — 5 household members
| Surname | Long |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Dallas City |
| 1935 Residence (County) | Dallas |
| Occupation | Attendant |
| Industry | Photography Studio |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 100 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 Dorothy Long across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jack Long (~0.92 confidence) and father Leslie Long (~0.92 confidence) and mother Mabel Long (~0.92 confidence) and mother Mamie Long (~0.92 confidence) and mother Nellie Long (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jack Long
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Leslie Long
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Mabel Long
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Mamie Long
b. ~1901
Source mother
● Household
· direct · ~0.92
Mother
Nellie Long
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Long
Daughter · 1940 · age 22 · b. ~1918 · Texas
★ You are viewing this record
Sibling
L Long
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Long
Sibling · 1940 · age 21
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 — Dallas-County, Texas
Open full size
1940 US Federal Census — Dallas-County, Texas
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-04172-00077)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank W. Schadel | 39 | Head | Electrical Engr | Louisiana |
| 42 | Rosa Lee Schadel | 29 | Wife | — | Texas |
| 43 | Janice Schadel | 6 | Daughter | — | Texas |
| 44 | James Schadel | 3 | Son | — | Texas |
| 45 | Moses Flick | 43 | Head | Salesman | New York |
| 46 | Nelle Flick | 38 | Wife | — | Texas |
| 47 | Beverly Fay Flick | 13 | Daughter | — | Texas |
| 48 | Judith Ann Flick | 8 | Daughter | — | Texas |
| 49 | John Farr | 24 | Head | Truck Driver | Texas |
| 50 | Irene Farr | 20 | Wife | Maid | Texas |
| 51 | David Wilson | 45 | Head | Insurance Agt | Pennsylvania |
| 52 | Margaret Wilson | 40 | Wife | — | Illinois |
| 53 | Betty Wilson | 18 | Daughter | — | Texas |
| 54 | Cenia Donald | 44 | Head | Maid | Texas |
| 55 | Lee L. Williams | 31 | Head | Buyer | Texas |
| 56 | Mildred Williams | 27 | Wife | — | Texas |
| 57 | Leslie M. Long | 48 | Head | Asst Chief | Minnesota |
| 58 | Nellie Long | 42 | Wife | — | Texas |
| 59 | L. M. Jr Long | 26 | Son | Student-Teacher | Texas |
| 60 | Dorothy Long THIS PERSON | 22 | Daughter | Attendant | Texas |
| 61 | Jean Long | 21 | Son | Clerk | Texas |
| 62 | Coral Lee Lynch | 29 | Head | Maid | Oklahoma |
| 63 | Octa Parks | 56 | Head | — | Arkansas |
| 64 | Egan Plughaupt | 45 | Head | Electrician | Texas |
| 65 | Myrtle Plughaupt | 37 | Wife | Electrician | Texas |
| 66 | Isadore A. Wiggins | 34 | Head | Investment | Kentucky |
| 67 | Mary Wiggins | 37 | Wife | Investment | Texas |
| 68 | Mary Ann Wiggins | 13 | Daughter | — | Texas |
| 69 | Raymond Connell | 47 | Head | Linotype Opr | Nebraska |
| 70 | Jessie Connell | 42 | Wife | — | Arkansas |
| 71 | Jas B. Thompson | 28 | Head | Supervisor | Texas |
| 72 | Eva Joe Thompson | 26 | Wife | Operator | Texas |
| 73 | C. Thomas Watson | 48 | Head | Solicitor | Louisiana |
| 74 | Mabel Watson | 40 | Wife | — | Texas |
| 75 | Thomas Watson | 10 | Son | — | Texas |
| 76 | Ver B. Mondy | 34 | Head | Manager | Oklahoma |
| 77 | Maria Mondy | 25 | Wife | — | Kentucky |
| 78 | Lewis Mondy | 0 | Son | — | Texas |
Pedigree Summary
Dorothy + 2 siblings
Gen 1 · 5 parents
~0.92
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)