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George Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cowlitz-County, Washington
Our Model Tree links this George Campbell across the 1920, 1930 and 1940 US Censuses in Cowlitz-County, Washington (XGBoost, ~Confirmed), with identified parents George & Mabel — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cowlitz-County, Washington |
| Surname | Campbell |
| Given Name | George (Jr.) |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Kalama Town |
| 1935 Residence (County) | Cowlitz |
| Additional Details | |
| Highest Grade | C-5 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Township / Ward | Kalama Town |
| Est. Birth Year | ~1917 |
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 George | Age | Birth yr |
|---|---|---|---|---|
| Catherine Campbell | Daughter | — | 18 | ~1922 |
| George Campbell | Head | — | 60 | ~1880 |
| Anita Frost | Other | — | 22 | ~1918 |
| George Campbell | Son | — | 23 | ~1917 |
| Mabel Campbell | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Cowlitz, Washington
Son, age 2
Cowlitz, Washington · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | George B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Cowlitz, Washington
Son, age 13
Cowlitz, Washington · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | George B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Cowlitz-County, Washington
Son, age 23
Cowlitz-County, Washington · implied b. ~1917 — 5 household members
| Surname | Campbell |
| Given Name | George (Jr.) |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Kalama Town |
| 1935 Residence (County) | Cowlitz |
| Highest Grade | C-5 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 George Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Campbell (~0.92 confidence) and mother Mabel Campbell (~0.92 confidence) and mother Mabel Campbell (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Campbell
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Mabel Campbell
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Mabel Campbell
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
George Campbell
Son · 1940 · age 23 · b. ~1917 · Washington
★ You are viewing this record
Sibling
Catherine Campbell
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 — Cowlitz-County, Washington
Open full size
1940 US Federal Census — Cowlitz-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04337-00368)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walter Mcclelland | 61 | Head | Construction Work | Canada-English |
| 2 | Oressa Mcclelland | 57 | Wife | — | Nova Scotia |
| 3 | Amos H. Clift | 38 | Head | Fisherman | Washington |
| 4 | Helen Clift | 32 | Wife | Music Teacher | Oregon |
| 5 | Leona Rae Clift | 7 | Daughter | — | Washington |
| 6 | Jennie E. Gore | 78 | Head | — | New York |
| 7 | Elizabeth O. Gore | 77 | Head | — | Iowa |
| 8 | Bert Bertelsen | 70 | Brother | — | Denmark |
| 9 | Grace Wiese | 40 | Housekeeper | Housekeeper | Illinois |
| 10 | Wilhelm A. Long | 80 | Head | — | Iowa |
| 11 | Harve Long | 53 | Son | Carpenter | South Dakota |
| 12 | Tom Dunne | 30 | Head | Truck Driver | Tennessee |
| 13 | Irene O. Dunne | 25 | Wife | — | Washington |
| 14 | Dennis Dunne | 7 | Son | — | Washington |
| 15 | Gary Dunne | 5 | Son | — | Washington |
| 16 | Edwin E. Bayley | 78 | Head | — | Iowa |
| 17 | Minnie T. O. Bayley | 66 | Wife | — | Canada-English |
| 18 | George N. O. Campbell | 60 | Head | — | Wisconsin |
| 19 | Mabel B. Campbell | 53 | Wife | — | Washington |
| 20 | George (Jr.) Campbell THIS PERSON | 23 | Son | — | Oregon |
| 21 | Catherine Campbell | 18 | Daughter | — | Oregon |
| 22 | Anita O. Frost | 22 | Housekeeper | Housekeeper | Washington |
| 23 | Delmer D. O. Inman | 72 | Head | Printer | Iowa |
| 24 | Laura Inman | 70 | Wife | — | Missouri |
| 25 | Alma A. Inman | 49 | Daughter | Teacher | Washington |
| 26 | Walter Q. Bilyeu | 70 | Head | Laborer | Oregon |
| 27 | Julia Bilyeu | 62 | Wife | Switch. Operator | Kansas |
| 28 | Homer White | 48 | Head | Railroad Operator | Wisconsin |
| 29 | Hazel D. White | 40 | Wife | — | Washington |
| 30 | Bernard White | 10 | Son | — | Washington |
| 31 | Ella Wicks | 80 | Mother-in-law | — | Oregon |
| 32 | Robert J. Davis | 33 | Head | Boom Man | Oregon |
| 33 | Iona O. Davis | 31 | Wife | — | Washington |
| 34 | Ernest Davis | 12 | Son | — | Washington |
| 35 | Kenneth Davis | 8 | Son | — | Washington |
| 36 | Arthur Davis | 6 | Son | — | Washington |
| 37 | Lois Davis | 5 | Daughter | — | Washington |
| 38 | Clayton O. Ruth | 48 | Head | Shoe Maker | Illinois |
| 39 | Alba Ruth | 38 | Wife | — | Oregon |
| 40 | Joyce Ruth | 15 | Daughter | — | Washington |
Related Census Records
Pedigree Summary
George + 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)