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Matilda Anderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lasalle-County, Illinois
Our Model Tree links this Matilda Anderson across the 1920, 1930 and 1940 US Censuses in Lasalle-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 4-person household.
Age 51
b. ~1889
Female
Spouse
Born: Norway
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lasalle-County, Illinois |
| Surname | Anderson |
| Given Name | Matilda |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | R |
| 1935 Residence (County) | La Salle |
| Naturalization Status | First papers filed |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Township / Ward | Freedom |
| Est. Birth Year | ~1889 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Matilda | Age | Birth yr |
|---|---|---|---|---|
| Norman Anderson | Son | — | 11 | ~1929 |
| Marshall Anderson | Son | — | 15 | ~1925 |
| Matilda Anderson | Spouse | — | 51 | ~1889 |
| Ole Anderson | Head | — | 50 | ~1890 |
Census Appearances
1920
La Salle, …
Spouse, age 30
La Salle, Illinois · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Matilda |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| 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
La Salle, …
Spouse, age 40
La Salle, Illinois · implied b. ~1890 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Mathilda |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Alien |
| Year of Immigration | 1907 |
| Age at First Marriage | 22 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Lasalle-County, Illinois
Spouse, age 51
Lasalle-County, Illinois · implied b. ~1889 — 4 household members
| Surname | Anderson |
| Given Name | Matilda |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | R |
| 1935 Residence (County) | La Salle |
| Naturalization Status | First papers filed |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| 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 Matilda Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Matilda Anderson
Spouse · 1940 · age 51 · b. ~1889 · 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 — Lasalle-County, Illinois
Open full size
1940 US Federal Census — Lasalle-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00832-00782)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Barbara Coombs | 2 | Daughter | — | Illinois |
| 42 | Elizabeth Moore | 80 | Aunt | — | Illinois |
| 43 | Raffael Balder | 58 | Head | Farm Operator | Illinois |
| 44 | Charles Balder | 23 | Son | Farmer | Illinois |
| 45 | Frederick Balder | 22 | Son | Farmer | Illinois |
| 46 | Robert Balder | 12 | Son | — | Illinois |
| 47 | Vernon Thompson | 36 | Head | Farmer | Illinois |
| 48 | Claire Thompson | 31 | Wife | — | Illinois |
| 49 | Lorraine Thompson | 10 | Daughter | — | Illinois |
| 50 | Joan Thompson | 5 | Daughter | — | Illinois |
| 51 | Richard Thompson | 1 | Son | — | Illinois |
| 52 | Harland Olson | 17 | Nephew | — | Illinois |
| 53 | Charles H. Pool | 47 | Head | Farmer | Illinois |
| 54 | Eleanor Pool | 46 | Wife | — | Illinois |
| 55 | Charles H. Pool | 76 | Head | — | Illinois |
| 56 | Ida Pool | 70 | Wife | — | Kansas |
| 57 | John Woods | 35 | Head | Decorator | Illinois |
| 58 | Genevieve Woods | 36 | Wife | — | Illinois |
| 59 | Lois Woods | 12 | Daughter | — | Minnesota |
| 60 | George Anderson | 46 | Head | Farmer | Sweden |
| 61 | Ada Anderson | 40 | Wife | — | Pennsylvania |
| 62 | Truman Anderson | 18 | Son | Farmer | Illinois |
| 63 | Jeanette Anderson | 16 | Daughter | — | Illinois |
| 64 | Martin Valentinsen | 38 | Head | Farmer | Norway |
| 65 | Sigrid Valentinsen | 35 | Wife | — | Norway |
| 66 | Glendora Valentinsen | 11 | Daughter | — | Iowa |
| 67 | Carl Jean Valentinsen | 6 | Daughter | — | Illinois |
| 68 | Marlin Wayne Valentinsen | 1 | Son | — | Illinois |
| 69 | Ole Anderson | 50 | Head | Farmer | Norway |
| 70 | Matilda Anderson THIS PERSON | 51 | Wife | — | Norway |
| 71 | Marshall Anderson | 15 | Son | — | Illinois |
| 72 | Norman Anderson | 11 | Son | — | Illinois |
| 73 | Walter Thorson | 45 | Head | Farmer | Illinois |
| 74 | Clara Thorson | 45 | Wife | — | Illinois |
| 75 | Orville Thorson | 22 | Son | Farm Laborer | Illinois |
| 76 | Marian Thorson | 19 | Daughter | Bookkeeper | Illinois |
| 77 | Doris Thorson | 15 | Daughter | — | Illinois |
| 78 | Barbara Thorson | 8 | Daughter | — | Illinois |
| 79 | Thomas Dose | 50 | Head | Farmer | Norway |
| 80 | Nettie Dose | 44 | Wife | — | 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)