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Robert Erickson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Robert Erickson across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 3-person household.
Age 57
b. ~1883
Male
Head
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Erickson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Moline |
| 1935 Residence (County) | Rock Island |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Blacksmith |
| Industry | Farm Equipment factory |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1040 |
| Highest Grade | H-8 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Blacksmith |
| Township / Ward | Moline |
| Est. Birth Year | ~1883 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Erickson | Head | — | 57 | ~1883 |
| Anna Erickson | Spouse | — | 58 | ~1882 |
| Earl Erickson | Son | — | 33 | ~1907 |
Census Appearances
1920
Rock Island, …
Head, age 37
Rock Island, Illinois · implied b. ~1883 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Erickson |
| Given Name | Robert J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1900 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Fireman |
| Industry | Plow Factory |
| Class of Worker | S |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Sweden |
| Year of Naturalization | 1906 |
| Birthplace (normalized) | sweden |
1930
Rock Island, …
Head, age 47
Rock Island, Illinois · implied b. ~1883 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Erickson |
| Given Name | Robert J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 22 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Blacksmith |
| Industry | Des Loco Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | R |
| Home Value / Rent | 30.00 |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Rock-Island-County, Illinois
Head, age 57
Rock-Island-County, Illinois · implied b. ~1883 — 3 household members
| Surname | Erickson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Moline |
| 1935 Residence (County) | Rock Island |
| Naturalization Status | Naturalized |
| Occupation | Blacksmith |
| Industry | Farm Equipment factory |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1040 |
| Highest Grade | H-8 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Robert Erickson
Head · 1940 · age 57 · b. ~1883 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00875-00373)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Russell L. Thompson | 37 | Head | Foreman | Illinois |
| 42 | Margaret A. Thompson | 36 | Wife | — | Illinois |
| 43 | James M. Thompson | 5 | Son | — | Illinois |
| 44 | Emile Van Kerrebroeck | 70 | Head | Proprietor | Belgium |
| 45 | Florence Van Kerrebroeck | 60 | Wife | — | Belgium |
| 46 | Juliette Van Kerrebroeck | 21 | Daughter | Secretary | Illinois |
| 47 | Robert Erickson THIS PERSON | 57 | Head | Blacksmith | Sweden |
| 48 | Anna Erickson | 58 | Wife | — | Sweden |
| 49 | Earl Erickson | 33 | Son | Polisher | Illinois |
| 50 | Aloysius Lootens | 25 | Head | Pattern Maker | Illinois |
| 51 | Jeanette Lootens | 24 | Wife | — | Illinois |
| 52 | Earl S. Colburn | 27 | Head | Soldier | Illinois |
| 53 | Mary E. Colburn | 25 | Wife | — | Illinois |
| 54 | Gary Lee Colburn | 1 | Son | — | Illinois |
| 55 | Ivan Ritchey | 23 | Head | Secretary | Illinois |
| 56 | Evelyn Ritchey | 21 | Partner | Stenographer | Illinois |
| 57 | Oliver R. Netzel | 28 | Head | Janitor | Illinois |
| 58 | Grace Netzel | 23 | Wife | — | Iowa |
| 59 | Homer D. Bopes | 44 | Head | Moulder | Indiana |
| 60 | Mildred Bopes | 34 | Wife | — | Indiana |
| 61 | Robert Bopes | 11 | Son | — | Michigan |
| 62 | James Bopes | 9 | Son | — | Indiana |
| 63 | Richard Bopes | 8 | Son | — | Indiana |
| 64 | Priscilla Bopes | 1 | Daughter | — | Illinois |
| 65 | Russell Sandler | 28 | Head | Assembler | Iowa |
| 66 | Alice Sandler | 26 | Wife | — | Iowa |
| 67 | Robert Sandler | 6 | Son | — | Illinois |
| 68 | Nancy Lee Sandler | 4 | Daughter | — | Illinois |
| 69 | Victor De Clercq | 50 | Head | Machinist Helper | Belgium |
| 70 | Clara De Clercq | 40 | Wife | — | Belgium |
| 71 | Alice De Clercq | 17 | Daughter | — | Iowa |
| 72 | Evelyn De Clercq | 14 | Daughter | — | Iowa |
| 73 | Samuel E. Lindblom | 67 | Head | — | Sweden |
| 74 | Frances Lindblom | 47 | Wife | — | Illinois |
| 75 | Carolina Erickson | 83 | Mother-in-law | — | Illinois |
| 76 | Emma Melin | 70 | Head | Teacher | Illinois |
| 77 | Hilma Marie Melin | 67 | Sister | — | Illinois |
| 78 | William Witte | 56 | Head | Blacksmith | Illinois |
| 79 | Quest Marie Witte | 37 | Housekeeper | Housekeeper | Illinois |
| 80 | Theophil Cathelyn | 41 | Lodger | Laborer | Belgium |
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)