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Robert Erickson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Robert Erickson across the 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Erickson |
| Given Name | Robert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Rockford City |
| Est. Birth Year | ~1923 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Abel Erickson | Head | — | 70 | ~1870 |
| Evans Erickson | Son | — | 13 | ~1927 |
| Angela Erickson | Daughter | — | 30 | ~1910 |
| Richard Erickson | Son | — | 15 | ~1925 |
| Patricia Erickson | Daughter | — | 9 | ~1931 |
| Edith Erickson | Spouse | — | 47 | ~1893 |
| Edna Erickson | Daughter | — | 28 | ~1912 |
| Robert Erickson | Son | — | 17 | ~1923 |
Census Appearances
1930
Winnebago, Illinois
Son, age 7
Winnebago, Illinois · implied b. ~1923 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Erikson |
| Given Name | Robert N. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Son, age 17
Winnebago-County, Illinois · implied b. ~1923 — 8 household members
| Surname | Erickson |
| Given Name | Robert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 17 · b. ~1923 · Illinois
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Sibling
Angela Erickson
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Erickson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evans Erickson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Erickson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Erickson
Sibling · 1940 · age 28
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 — Winnebago-County, Illinois
Open full size
1940 US Federal Census — Winnebago-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00915-00109)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mark F Hanson | 57 | Head | Sales Manager | Wisconsin |
| 2 | Margery A Hanson | 22 | Daughter | — | Wisconsin |
| 3 | Howard E. Wiley | 43 | Head | Physician | Wisconsin |
| 4 | Edith Wiley | 43 | Wife | — | Illinois |
| 5 | G. W. Alleen | 53 | Head | Manager & Secy | Sweden |
| 6 | June Alleen | 15 | Daughter | — | Illinois |
| 7 | Edith Carlson | 41 | Sister-in-law | School Teacher | Illinois |
| 8 | Hagne Thompson | 53 | Housekeeper | Housekeeper | Norway |
| 9 | Abel F. Erickson | 70 | Head | — | Sweden |
| 10 | Edith A. Erickson | 47 | Wife | — | Illinois |
| 11 | Angela T. Erickson | 30 | Daughter | Bookkeeper | Illinois |
| 12 | Edna E. Erickson | 28 | Daughter | School Teacher | Illinois |
| 13 | Robert H. Erickson THIS PERSON | 17 | Son | — | Illinois |
| 14 | Richard A. Erickson | 15 | Son | — | Illinois |
| 15 | Evans A. Erickson | 13 | Son | — | Illinois |
| 16 | Patricia R. Erickson | 9 | Daughter | — | Illinois |
| 17 | G. Philip Holm | 57 | Head | Proprietor | Illinois |
| 18 | Olive Holm | 59 | Wife | — | Illinois |
| 19 | Virginia Holm | 24 | Daughter | — | Illinois |
| 20 | A. Gottfried Carlson | 76 | Head | — | Sweden |
| 21 | Hulda A. Carlson | 68 | Wife | — | Sweden |
| 22 | Hilda A. J. Erickson | 58 | Head | — | Norway |
| 23 | Fern Erickson | 31 | Daughter | Stenographer | Illinois |
| 24 | Ellen A. Holm | 85 | Mother | — | Norway |
| 25 | William B. Ahlgren | 49 | Head | Shipping Clerk | Illinois |
| 26 | Rose L. Ahlgren | 46 | Wife | — | Illinois |
| 27 | William C. Ahlgren | 22 | Son | Machinist | Illinois |
| 28 | Helen M. Ahlgren | 20 | Daughter | Time Keeper | Illinois |
| 29 | Roselyn M. Ahlgren | 18 | Daughter | Stenographer | Illinois |
| 30 | Robert J. Ahlgren | 16 | Son | — | Illinois |
| 31 | Roberta L. Ahlgren | 12 | Daughter | — | Illinois |
| 32 | Richard M. Ahlgren | 7 | Son | — | Illinois |
| 33 | Roy C. Thoren | 41 | Head | Printer | Illinois |
| 34 | Linnea T. Thoren | 41 | Wife | Office Clerk | Illinois |
| 35 | Robert R. Thoren | 16 | Son | Newsboy | Illinois |
| 36 | Harold Magnuson | 57 | Head | Pattern Maker | Sweden |
| 37 | Hildur Magnuson | 58 | Wife | — | Sweden |
| 38 | Maurice A. Nelson | 33 | Head | Radio Engineer | Illinois |
| 39 | Mercedes Nelson | 31 | Wife | Teacher | Illinois |
| 40 | Christina Enockson | 61 | Head | — | Sweden |
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)