DB
Dorothy Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Dorothy Brown across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents Frank & Frank — first a daughter (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Female
Daughter
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Brown |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Occupation | Technician |
| Industry | County hosp |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 920 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Technician |
| Township / Ward | Denver City |
| Est. Birth Year | ~1919 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Frances Brown | Daughter | — | 19 | ~1921 |
| Dorothy Brown | Daughter | — | 21 | ~1919 |
| Frank Brown | Head | — | 53 | ~1887 |
| Robert Brown | Son | — | 7 | ~1933 |
| Frank Brown | Son | — | 12 | ~1928 |
| Elizabeth Brown | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Denver, Colorado
Daughter, age
Denver, Colorado · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Kentucky |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Daughter, age 11
Denver, Colorado · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Dorothy J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Daughter, age 21
Denver-County, Colorado · implied b. ~1919 — 6 household members
| Surname | Brown |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City |
| 1935 Residence (County) | Denver |
| Occupation | Technician |
| Industry | County hosp |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 920 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Brown (~0.92 confidence) and father Frank Brown (~0.92 confidence) and mother Elizabeth Brown (~0.92 confidence) and mother Elizabeth Brown (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Brown
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Frank Brown
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Brown
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Brown
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Brown
Daughter · 1940 · age 21 · b. ~1919 · Colorado
★ You are viewing this record
Sibling
Frank Brown
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Brown
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Brown
Sibling · 1940 · age 19
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 — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00487-00520)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Katy M Mcquary | 52 | Wife | — | Missouri |
| 42 | Frank J Mcquary | 29 | Son | Inspector | Colorado |
| 43 | Alfred Anderson | 67 | Head | Accountant | Sweden |
| 44 | Agnes D Anderson | 65 | Wife | — | Sweden |
| 45 | Clarence Anderson | 39 | Son | Accountant | Iowa |
| 46 | Mildred Anderson | 37 | Daughter | — | Colorado |
| 47 | Mary Washburn | 16 | Lodger | Student | Colorado |
| 48 | Hilla Willingett | 65 | Head | — | Missouri |
| 49 | Jack D Schantz | 17 | Grandson | Student | Colorado |
| 50 | Floyd Kettleson | 28 | Lodger | Truck Driver | Nebraska |
| 51 | Michael Mcdermid | 21 | Lodger | Salesman | Kansas |
| 52 | Wallace Mcarthur | 40 | Lodger | Attendant | Nebraska |
| 53 | Fred Mcauliff | 20 | Lodger | Dairy Man | Nebraska |
| 54 | Frank Brown | 53 | Head | Draftsman | Colorado |
| 55 | Elizabeth Brown | 43 | Wife | — | Kentucky |
| 56 | Dorothy Brown THIS PERSON | 21 | Daughter | Technician | Colorado |
| 57 | Frances Brown | 19 | Daughter | Comptometer | Colorado |
| 58 | Frank Brown | 12 | Son | — | Colorado |
| 59 | Robert Brown | 7 | Son | — | Colorado |
| 60 | Charles Meldrum | 72 | Head | Salesman | Indiana |
| 61 | Harriet Meldrum | 68 | Wife | — | Kansas |
| 62 | Donald Meldrum | 30 | Son | Accountant | Colorado |
| 63 | Hystacia Meldrum | 30 | Daughter-in-law | — | Colorado |
| 64 | Jerome Meldrum | 3 | Grandson | — | Colorado |
| 65 | Carol Ann Meldrum | 0 | Granddaughter | — | Colorado |
| 66 | Mary Craven | 64 | Head | Teacher | Iowa |
| 67 | Elizabeth Craven | 32 | Daughter | Teacher | Colorado |
| 68 | Joseph D Hahn | 69 | Head | Accountant | Minnesota |
| 69 | Anna Hahn | 68 | Wife | — | Minnesota |
| 70 | Leatty Vandegraft | 35 | Son-in-law | Auditor | Colorado |
| 71 | Olive A Vandegraft | 33 | Daughter | — | Colorado |
| 72 | Ronald Vandegraft | 4 | Grandson | — | California |
| 73 | Tom Collins | 40 | Head | Officer | Colorado |
| 74 | Lana Collins | 31 | Wife | — | Illinois |
| 75 | James Collins | 5 | Son | — | Colorado |
| 76 | Gary Collins | 1 | Daughter | — | Colorado |
| 77 | Mary Northern | 70 | Lodger | — | Missouri |
| 78 | Frank Huey | 42 | Head | — | Colorado |
| 79 | Katherine Huey | 66 | Wife | — | Iowa |
| 80 | Mary E Porter | 76 | Head | — | Illinois |
Pedigree Summary
Dorothy + 3 siblings
Gen 1 · 4 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)