RC
Robert Carlson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pierce-County, Washington
Our Model Tree links this Robert Carlson across the 1930 and 1940 US Censuses in Pierce-County, Washington (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pierce-County, Washington |
| Surname | Carlson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | McKenna |
| 1935 Residence (County) | Pierce |
| Additional Details | |
| Highest Grade | Yes 7 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Mckenna |
| Est. Birth Year | ~1924 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Berthara Carlson | Daughter | — | 9 | ~1931 |
| Charles Carlson | Son | — | 10 | ~1930 |
| Kenneth Carlson | Son | — | 12 | ~1928 |
| Dennis Carlson | Son | — | 5 | ~1935 |
| Frank Carlson | Son | — | 6 | ~1934 |
| Charles Carlson | Head | — | 37 | ~1903 |
| Barbara Carlson | Daughter | — | 11 | ~1929 |
| Beatrice Carlson | Spouse | — | 36 | ~1904 |
| Robert Carlson | Son | — | 16 | ~1924 |
Census Appearances
1930
Pierce, Washington
Son, age 6
Pierce, Washington · implied b. ~1924 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Robert S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Minnesota |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Pierce-County, Washington
Son, age 16
Pierce-County, Washington · implied b. ~1924 — 9 household members
| Surname | Carlson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | McKenna |
| 1935 Residence (County) | Pierce |
| Highest Grade | Yes 7 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Carlson
Son · 1940 · age 16 · b. ~1924 · Washington
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Sibling
Dennis Carlson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Carlson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Carlson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Carlson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Berthara Carlson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Carlson
Sibling · 1940 · age 11
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 — Pierce-County, Washington
Open full size
1940 US Federal Census — Pierce-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04356-00018)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John E Kittelman | 46 | Head | Steam Engineer | Washington |
| 2 | Sylvia A Kittelman | 48 | Wife | — | Massachusetts |
| 3 | Ernest Kittelman | 23 | Son | Bucker | Washington |
| 4 | Glen Kittelman | 17 | Son | — | Washington |
| 5 | Mary Kittelman | 14 | daughter | — | Washington |
| 6 | Eva Kittelman | 10 | daughter | — | Washington |
| 7 | Ralph Harper | 12 | Grand Son | — | Washington |
| 8 | Clarence Hull | 61 | Head | — | Ohio |
| 9 | Anna Hull | 64 | Wife | — | Minnesota |
| 10 | Glen Hull | 25 | Son | Dealer | Washington |
| 11 | Doris Hull | 25 | daughter in law | — | Washington |
| 12 | Virgil Daskam | 28 | Head | — | Washington |
| 13 | Lottie Daskam | 27 | Wife | Night Watchman | England |
| 14 | Arthur Purcell | 33 | Head | Postmistress | Missouri |
| 15 | Marie Purcell | 31 | Wife | Truck Driver | Washington |
| 16 | Janet Purcell | 6 | daughter | — | Washington |
| 17 | Norman Farnell | 53 | Head | Bucker | Canada |
| 18 | Janet Farnell | 41 | Wife | — | Canada |
| 19 | Lloyd Farnell | 17 | Son | — | Canada |
| 20 | Gladys Farnell | 16 | daughter | — | Washington |
| 21 | Alfred Hull | 30 | Head | Maintenance | Washington |
| 22 | Esther Hull | 26 | Wife | — | Washington |
| 23 | Joseph Kominski | 38 | Head | — | Pennsylvania |
| 24 | Mary Kominski | 29 | Wife | — | Washington |
| 25 | Roanona Kominski | 10 | daughter | — | Washington |
| 26 | Josephine Kominski | 8 | daughter | — | Washington |
| 27 | Betty Ann Kominski | 7 | daughter | — | Washington |
| 28 | Joseph Jr Kominski | 5 | Son | — | Washington |
| 29 | Charles Carlson | 37 | Head | Laborer | Colorado |
| 30 | Beatrice Carlson | 36 | Wife | — | Minnesota |
| 31 | Robert Carlson THIS PERSON | 16 | Son | — | Washington |
| 32 | Kenneth Carlson | 12 | Son | — | Washington |
| 33 | Barbara Carlson | 11 | daughter | — | Washington |
| 34 | Charles Jr. Carlson | 10 | Son | — | Washington |
| 35 | Berthara Carlson | 9 | daughter | — | Washington |
| 36 | Frank Carlson | 6 | Son | — | Washington |
| 37 | Dennis Carlson | 5 | Son | — | Washington |
| 38 | Joseph Gemmel | 29 | Head | Bucker | Wisconsin |
| 39 | Buela Gemmel | 26 | Wife | — | Pennsylvania |
| 40 | Joseph D Gemmel | 8 | Son | — | Pennsylvania |
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)