RD
Robert Dunn — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this Robert Dunn across the 1920, 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed), with identified parents James & William — first a son (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Dunn |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Occupation | Proprietor |
| Industry | Filling Station |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Proprietor |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1915 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Arlene Dunn | Daughter | — | 18 | ~1922 |
| John Dunn | Head | — | 48 | ~1892 |
| Minor Dunn | Other | — | — | |
| Robert Dunn | Son | — | 25 | ~1915 |
| Tillie Dunn | Spouse | — | 45 | ~1895 |
Census Appearances
1920
St Louis, …
Son, age 4
St Louis, Missouri · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Son, age 15
St Louis, Missouri · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Son, age 25
St.-Louis-City-County, Missouri · implied b. ~1915 — 5 household members
| Surname | Dunn |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis |
| Occupation | Proprietor |
| Industry | Filling Station |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Robert Dunn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Dunn (~0.92 confidence) and father William Dunn (~0.92 confidence) and mother Bernadine Dunn (~0.92 confidence) and father John Dunn (~0.92 confidence) and mother Tillie Dunn (~0.92 confidence) and mother Tillie Dunn (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Dunn
b. ~1887
Source father
● Household
· direct · ~0.92
Father
William Dunn
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Bernadine Dunn
b. ~1892
Source mother
● Household
· direct · ~0.92
Father
John Dunn
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Tillie Dunn
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Tillie Dunn
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Dunn
Son · 1940 · age 25 · b. ~1915 · Missouri
★ You are viewing this record
Sibling
Arlene Dunn
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 — St.-Louis-City-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-City-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02193-00230)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorothy C. Jarcke | 45 | Wife | — | Missouri |
| 2 | Oliver A. Jarcke | 14 | Son | — | Missouri |
| 3 | Alfred Heitzmann | 60 | Head | Conductor | Missouri |
| 4 | Susie Heitzmann | 59 | Wife | — | New York |
| 5 | Walter H. Wagstaff | 52 | Head | Laborer | Missouri |
| 6 | Maude Wagstaff | 51 | Wife | Waitress | Missouri |
| 7 | Harry J. Reed | 42 | Head | Guard | Illinois |
| 8 | Mary A. Reed | 39 | Wife | — | Missouri |
| 9 | Edna M. Reed | 17 | Daughter | — | Missouri |
| 10 | Eileen A. Reed | 15 | Daughter | — | Missouri |
| 11 | John M. Dunn | 48 | Head | Guard | Missouri |
| 12 | Tillie Dunn | 45 | Wife | — | Missouri |
| 13 | Robert Dunn THIS PERSON | 25 | Son | Proprietor | Missouri |
| 14 | Arlene Dunn | 18 | Daughter | — | Missouri |
| 15 | Minor Dunn | None | Clara | 42 | Hs 2 |
| 16 | Richard Bowers | 35 | Head | Carpenter | Illinois |
| 17 | Edna Bowers | 29 | Wife | — | Missouri |
| 18 | Donald R. Bowers | 9 | Son | — | Illinois |
| 19 | Zona Mae Bowers | 6 | Daughter | — | Illinois |
| 20 | Conrad W. Bowers | 4 | Son | — | Illinois |
| 21 | Mary Bowers | 3 | Daughter | — | Missouri |
| 22 | John S. Gabris | 44 | Head | Iron Worker | Czechoslovakia |
| 23 | Mary Gabris | 41 | Wife | — | Missouri |
| 24 | Helen Gabris | 19 | Daughter | — | Missouri |
| 25 | John Gabris | 16 | Son | — | Missouri |
| 26 | Jerome Gabris | 13 | Son | — | Missouri |
| 27 | Donald Gabris | 7 | Son | — | Missouri |
| 28 | Mary Ann Gabris | 3 | Daughter | — | Missouri |
| 29 | Mary Weise | 60 | Head | — | Missouri |
| 30 | Caroline Weise | 38 | Daughter | Clerk | Missouri |
| 31 | Katherine Weise | 32 | Daughter | Teller | Missouri |
| 32 | George Graiff | 34 | Head | Plumber | Missouri |
| 33 | Ella Graiff | 34 | Wife | — | Missouri |
| 34 | Dorothy Graiff | 12 | Daughter | — | Missouri |
| 35 | Emma Kettler | 57 | Head | New Worker | Missouri |
| 36 | Lawrence Bangert | 56 | Head | Proprietor | Missouri |
| 37 | Mabel Bangert | 56 | Wife | Receptionist | Illinois |
| 38 | Kenneth Bangert | 26 | Son | Proprietor | Missouri |
| 39 | Charles Eyermann | 62 | Head | Machine Mover | Missouri |
| 40 | Ida Eyermann | 61 | Wife | — | Missouri |
Pedigree Summary
Robert + 1 sibling
Gen 1 · 6 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)