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Robert Erickson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clark-County, Washington
Our Model Tree links this Robert Erickson across the 1930 and 1940 US Censuses in Clark-County, Washington (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clark-County, Washington |
| Surname | Erickson |
| Given Name | Robert W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Rockinson |
| 1935 Residence (County) | Clark |
| Additional Details | |
| Occupation | 0 |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | 0 |
| Township / Ward | Rockinson |
| Est. Birth Year | ~1927 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Sylvia Erickson | Daughter | — | 15 | ~1925 |
| Harold Erickson | Son | — | 11 | ~1929 |
| Leo Erickson | Head | — | 41 | ~1899 |
| Frank Erickson | Son | — | 4 | ~1936 |
| Esther Erickson | Spouse | — | 36 | ~1904 |
| Robert Erickson | Son | — | 13 | ~1927 |
| Betty Erickson | Daughter | — | 7 | ~1933 |
Census Appearances
1930
Clark, Washington
Other, age 3
Clark, Washington · implied b. ~1927 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Erickson |
| Given Name | Robert J. |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Canada English |
| Mother's Birthplace | S. Dakota |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Clark-County, Washington
Son, age 13
Clark-County, Washington · implied b. ~1927 — 7 household members
| Surname | Erickson |
| Given Name | Robert W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Rockinson |
| 1935 Residence (County) | Clark |
| Occupation | 0 |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 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 Erickson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Erickson
Son · 1940 · age 13 · b. ~1927 · Washington
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Sibling
Harold Erickson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Erickson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sylvia Erickson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Erickson
Sibling · 1940 · age 4
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 — Clark-County, Washington
Open full size
1940 US Federal Census — Clark-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04334-00448)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Florence M (W) Johnson | 16 | Daughter | 0 | Washington |
| 42 | Harold H Johnson | 30 | Head | Logger | Washington |
| 43 | Gladys F Johnson | 22 | Wife | 0 | Oklahoma |
| 44 | Charles J Johnson | 68 | Lodger | 0 | Norway |
| 45 | John P Carlson | 37 | Lodger | Butcher | Washington |
| 46 | Andrew Johnson | 61 | Head | Farming | Norway |
| 47 | Fred S Urole | 30 | Head | Choker Setter | Wyoming |
| 48 | Doris M Urole | 28 | Wife | 0 | Oregon |
| 49 | Jean D Urole | 9 | Daughter | 0 | Washington |
| 50 | Fred S Urole | 5 | Son | 0 | Washington |
| 51 | Leo V Erickson | 41 | Head | Farming | Washington |
| 52 | Esther Erickson | 36 | Wife | 0 | North Dakota |
| 53 | Sylvia G Erickson | 15 | Daughter | 0 | Washington |
| 54 | Robert W Erickson THIS PERSON | 13 | Son | 0 | Washington |
| 55 | Harold A Erickson | 11 | Son | 0 | Washington |
| 56 | Betty F Erickson | 7 | Daughter | 0 | Washington |
| 57 | Frank E Erickson | 4 | Son | 0 | Washington |
| 58 | Peter Niiranen | 55 | Head | Farming | Finland |
| 59 | Fanny (A) Niiranen | 54 | Wife | 0 | Finland |
| 60 | John P Niiranen | 20 | Son | Farm Helper | Washington |
| 61 | Eino Niiranen | 18 | Son | Farm Helper | Washington |
| 62 | Henry P Niiranen | 15 | Son | 0 | Washington |
| 63 | Adeline (A) Niiranen | 10 | Daughter | 0 | Washington |
| 64 | Hannes H Eddy | 32 | Head | General M'R. Fireman | Oregon |
| 65 | Ruby L Eddy | 25 | Wife | 0 | Oregon |
| 66 | Oliver Engrow | 20 | Lodger | Farm Laborer | Oregon |
| 67 | Peter L Nelson | 67 | Head | 0 | Norway |
| 68 | Henry Aho | 69 | Head | Farming | Finland |
| 69 | Hans Puranen | 56 | Head | Farming | Norway |
| 70 | John Kopra | 50 | Head | Farming | Finland |
| 71 | Anna Kopra | 73 | Mother | 0 | Finland |
| 72 | Nestor Kopra | 42 | Brother | Farming | Washington |
| 73 | Jacob Johnson | 64 | Head | Farming | Norway |
| 74 | Werner Korhonen | 58 | Head | Farming | Finland |
| 75 | Miina A Korhonen | 53 | Wife | 0 | Finland |
| 76 | Robert Korhonen | 17 | Step-son | Farm Helper | Washington |
| 77 | Victor George Korhonen | 15 | Son | 0 | Washington |
| 78 | Arthur R Korhonen | 13 | Son | 0 | Washington |
| 79 | Nancy J Korhonen | 11 | Daughter | 0 | Washington |
| 80 | John Kerttula | 61 | Head | Farming | Finland |
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)