RC
Robert Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Warren-County, Pennsylvania
Our Model Tree links this Robert Carlson across the 1920, 1930 and 1940 US Censuses in Warren-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Oscar & Rea — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Warren-County, Pennsylvania |
| Surname | Carlson |
| Given Name | Robert C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Du Bois |
| 1935 Residence (County) | Warren |
| Additional Details | |
| Occupation | Attendant |
| Industry | Filling Station |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 832 |
| Highest Grade | Hs 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Attendant |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Geraldine Carlson | Daughter | — | 17 | ~1923 |
| Robert Carlson | Son | — | 21 | ~1919 |
| Oscar Carlson | Head | — | 47 | ~1893 |
| Rayna Carlson | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Warren, Pennsylvania
Son, age 1
Warren, Pennsylvania · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Warren, Pennsylvania
Son, age 11
Warren, Pennsylvania · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Robert B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Warren-County, Pennsylvania
Son, age 21
Warren-County, Pennsylvania · implied b. ~1919 — 4 household members
| Surname | Carlson |
| Given Name | Robert C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Du Bois |
| 1935 Residence (County) | Warren |
| Occupation | Attendant |
| Industry | Filling Station |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 832 |
| Highest Grade | Hs 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Oscar Carlson (~0.92 confidence) and mother Rea Carlson (~0.92 confidence) and mother Ruby Carlson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Oscar Carlson
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Rea Carlson
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Ruby Carlson
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Carlson
Son · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Geraldine Carlson
Sibling · 1940 · age 17
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 — Warren-County, Pennsylvania
Open full size
1940 US Federal Census — Warren-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03619-00273)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harry H. Satzler | 66 | Head | Plumber | Pennsylvania |
| 42 | Lena B. Satzler | 64 | Wife | — | Pennsylvania |
| 43 | Emma M. Satzler | 31 | Daughter | Typist | Pennsylvania |
| 44 | Satzler | None | — | — | — |
| 45 | Francis W. Chace | 32 | Head | Policeman | Pennsylvania |
| 46 | Katherine E. Chace | 30 | Wife | — | Pennsylvania |
| 47 | Robert F. Chace | 5 | Son | — | Pennsylvania |
| 48 | — | None | — | — | — |
| 49 | Edwin W. Nickerson | 47 | Head | Driller | Pennsylvania |
| 50 | Hazel E. Nickerson | 45 | Wife | — | Pennsylvania |
| 51 | Vivian W. Nickerson | 22 | Daughter | Assistant | Pennsylvania |
| 52 | William E. Nickerson | 4 | Son | — | Pennsylvania |
| 53 | Margaret E. Nickerson | 2 | Daughter | — | Pennsylvania |
| 54 | Lester Kenneth Baro|Boro | 28 | Head | Engineer | Pennsylvania |
| 55 | Max Jr. Fredrick | 35 | Boarder | Draftsman | New York |
| 56 | Dorothy A. Fredrick | 36 | Boarder | — | New York |
| 57 | — | 27 | Boarder | Draftsman | New York |
| 58 | Oscar C. Carlson | 47 | Head | Splicer | Pennsylvania |
| 59 | Rayna M. Carlson | 45 | Wife | — | Massachusetts |
| 60 | Robert C. Carlson THIS PERSON | 21 | Son | Attendant | Pennsylvania |
| 61 | Geraldine J. Carlson | 17 | Daughter | — | Pennsylvania |
| 62 | Thomas L. Patterson | 36 | Head | Runner | Ohio |
| 63 | Arletta E. Patterson | 36 | Wife | — | Pennsylvania |
| 64 | John G. Patterson | 10 | Son | — | Pennsylvania |
| 65 | Joan E. Patterson | 5 | Daughter | — | Pennsylvania |
| 66 | Gale A. Patterson | 2 | Daughter | — | Pennsylvania |
| 67 | David W. Hitchcock | 64 | Head | Superintendent | New York |
| 68 | Litta E. Hitchcock | 61 | Wife | — | New York |
| 69 | Francis O. Hitchcock | 27 | Son | Attendant | New York |
| 70 | Helene Hitchcock | 24 | Daughter | Clerk | Pennsylvania |
| 71 | Raymond G. Hitchcock | 22 | Son | — | Pennsylvania |
| 72 | Ruth M. Hitchcock | 20 | Daughter | — | Pennsylvania |
| 73 | — | None | — | — | — |
| 74 | Albert O. Rasmussen | 36 | Head | Teller | Pennsylvania |
| 75 | Naomi E. Rasmussen | 31 | Wife | — | Pennsylvania |
| 76 | Cynthia Rasmussen | 5 | Daughter | — | Pennsylvania |
| 77 | James A. Rasmussen | 1 | Son | — | Pennsylvania |
| 78 | Alfred A. Fouch | 57 | Head | Owner | Pennsylvania |
| 79 | Pearl S. Fouch | 51 | Wife | — | Pennsylvania |
| 80 | Marjorie E. Fouch | 24 | Daughter | Clerk | Pennsylvania |
Pedigree Summary
Robert + 1 sibling
Gen 1 · 3 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)