LN
Laura Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Laura Nelson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1861), then head of a 3-person household.
Age 79
b. ~1861
Female
Spouse
Born: Norway
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Nelson |
| Given Name | Laura |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 79 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1861 |
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 Laura | Age | Birth yr |
|---|---|---|---|---|
| Laura Nelson | Spouse | — | 79 | ~1861 |
| Rudolph Nelson | Head | — | 73 | ~1867 |
| Joseph Nelson | Son | — | 45 | ~1895 |
Census Appearances
1920
Cook, Illinois
Spouse, age 58
Cook, Illinois · implied b. ~1862 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Laura |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Norway |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1930
Cook, Illinois
Spouse, age 69
Cook, Illinois · implied b. ~1861 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Laura |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1887 |
| Age at First Marriage | 29 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Cook-County, Illinois
Spouse, age 79
Cook-County, Illinois · implied b. ~1861 — 3 household members
| Surname | Nelson |
| Given Name | Laura |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 79 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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 Laura Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Laura Nelson
Spouse · 1940 · age 79 · b. ~1861 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00990-00480)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Reese Reese | 32 | Head | Attendant | Illinois |
| 2 | Helen Reese | 29 | Wife | Clerical | Indiana |
| 3 | Walter Reed | 36 | Head | Salesman | Illinois |
| 4 | Alma Reed | 34 | Wife | — | Illinois |
| 5 | Jacqueline Reed | 12 | Daughter | — | Illinois |
| 6 | Thomas Reed | 7 | Son | — | Illinois |
| 7 | Willard Johnson | 45 | Head | Salesman | Illinois |
| 8 | Winifred Johnson | 42 | Wife | — | Illinois |
| 9 | Emily Copendus | 63 | Mother-in-law | — | New York |
| 10 | Donald Liberty | 27 | Head | Stock Clerk | Illinois |
| 11 | Olive Liberty | 30 | Wife | — | Illinois |
| 12 | Diane Liberty | 3 | Daughter | — | Illinois |
| 13 | Swan W. Johnson | 51 | Head | Carpenter | Sweden |
| 14 | Ragna Johnson | 47 | Wife | — | Norway |
| 15 | Robert Johnson | 19 | Son | Operator | Illinois |
| 16 | Ivan Allen Johnson | 17 | Son | — | Illinois |
| 17 | Richard Johnson | 13 | Son | — | Illinois |
| 18 | Rudolph Nelson | 73 | Head | — | Norway |
| 19 | Laura Nelson THIS PERSON | 79 | Wife | — | Norway |
| 20 | Joseph Nelson | 45 | Son | Electrician | Norway |
| 21 | Clifford Schwarzenborn | 36 | Head | Tinner | Illinois |
| 22 | Vella Schwarzenborn | 36 | Wife | — | Wisconsin |
| 23 | Kenneth Schwarzenborn | 12 | Son | — | Illinois |
| 24 | Marion Schwarzenborn | 10 | Daughter | — | Illinois |
| 25 | Joan Schwarzenborn | 6 | Daughter | — | Illinois |
| 26 | Joseph Stadler | 43 | Head | Clerk | Illinois |
| 27 | Rose Stadler | 43 | Wife | — | Illinois |
| 28 | Donald Stadler | 16 | Son | — | Illinois |
| 29 | William Gauger | 47 | Head | Painter | Illinois |
| 30 | Grace Gauger | 22 | Daughter | Stenographer | Illinois |
| 31 | William Gauger | 20 | Son | Clerk | Illinois |
| 32 | Lillian Gauger | 41 | Sister | Seamstress | Illinois |
| 33 | Marie Steephaas | 67 | Head | — | Germany |
| 34 | Lillian Steephaas | 44 | Daughter | Spraying | Illinois |
| 35 | Walter Steephaas | 37 | Son | Salesman | Illinois |
| 36 | Gertrude Steephaas | 35 | Daughter | Filing | Illinois |
| 37 | Emily Steephaas | 33 | Daughter | Order Girl | Illinois |
| 38 | Hattie Steephaas | 29 | Daughter | — | Illinois |
| 39 | Alice Steephaas | 25 | Daughter | — | Illinois |
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)