MP
Marie Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Illinois
Our Model Tree links this Marie Peterson across the 1930 and 1940 US Censuses in Lake-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1905), then head of a 7-person household.
Age 35
b. ~1905
Female
Spouse
Born: Germany
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Illinois |
| Surname | Peterson |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Deerfield Village |
| 1935 Residence (County) | Lake |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Township / Ward | Deerfield Village |
| Est. Birth Year | ~1905 |
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 Marie | Age | Birth yr |
|---|---|---|---|---|
| Lyle Peterson | Son | — | 4 | ~1936 |
| Jens Peterson | Head | — | 42 | ~1898 |
| Marie Peterson | Spouse | — | 35 | ~1905 |
| Andrew Wenderling | Other | — | 72 | ~1868 |
| Wallace Peterson | Son | — | 15 | ~1925 |
| Norman Peterson | Son | — | 6 | ~1934 |
| Wayne Peterson | Son | — | 2 | ~1938 |
Census Appearances
1930
Lake, Illinois
Spouse, age 26
Lake, Illinois · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Germany |
| Naturalization Status | First papers filed |
| Year of Immigration | 1902 |
| Age at First Marriage | 20 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Lake-County, Illinois
Spouse, age 35
Lake-County, Illinois · implied b. ~1905 — 7 household members
| Surname | Peterson |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Deerfield Village |
| 1935 Residence (County) | Lake |
| Naturalization Status | Naturalized |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Marie Peterson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Peterson
Spouse · 1940 · age 35 · b. ~1905 · 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 — Lake-County, Illinois
Open full size
1940 US Federal Census — Lake-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00828-00956)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorothy Nelson | 14 | Daughter | — | Illinois |
| 2 | Lorraine P. Nelson | 12 | Daughter | — | Illinois |
| 3 | August Winter | 85 | Head | — | Germany |
| 4 | Max Winter | 45 | Son | Laborer | Illinois |
| 5 | Ewald Winter | 40 | Son | Supervisor | Illinois |
| 6 | Georgina Giffin | 56 | Head | Saleswoman | Illinois |
| 7 | Peter Petersen | 72 | Head | — | Germany |
| 8 | Lena Petersen | 72 | Wife | Laundress | Germany |
| 9 | Fred Jacobs | 58 | Lodger | Laborer | Illinois |
| 10 | Raymond Robbins | 37 | Head | Service Manager | Illinois |
| 11 | Grace Robbins | 37 | Wife | — | Minnesota |
| 12 | Patricia Robbins | 12 | Daughter | — | Illinois |
| 13 | Emma Neville | 80 | Head | — | Illinois |
| 14 | Otto Fieske | 46 | Head | Engine Tender | Germany |
| 15 | Victoria Fieske | 44 | Wife | — | Hungary |
| 16 | John V. Fieske | 21 | Son | Section Laborer | Kansas |
| 17 | Eugene Cookey | 37 | Head | Jobber | Illinois |
| 18 | Leola Cookey | 39 | Wife | — | Illinois |
| 19 | Doris Cookey | 16 | Daughter | — | Illinois |
| 20 | Thomas Sloot | 40 | Head | Mechanic | Holland |
| 21 | Golden Sloot | 41 | Wife | — | Virginia |
| 22 | Thomas Sloot | 13 | Son | — | Illinois |
| 23 | Roger Sloot | 6 | Son | — | Illinois |
| 24 | Charles Piper | 42 | Head | Insurance Broker | Illinois |
| 25 | Frances Piper | 42 | Wife | — | Illinois |
| 26 | Robert Piper | 17 | Son | Office Boy | Illinois |
| 27 | Charles Piper | 15 | Son | — | Illinois |
| 28 | Donald Piper | 7 | Son | — | Illinois |
| 29 | J. F. Johnson | 43 | Head | Salesman | Wisconsin |
| 30 | Mabel Johnson | 42 | Wife | — | Wisconsin |
| 31 | Willis Johnson | 15 | Son | — | Illinois |
| 32 | Joyce Marilyn Johnson | 5 | Daughter | — | Illinois |
| 33 | Annette Anderson | 89 | Mother in law | — | Norway |
| 34 | Jens Peterson | 42 | Head | Operator | Illinois |
| 35 | Marie Peterson THIS PERSON | 35 | Wife | — | Germany |
| 36 | Wallace Peterson | 15 | Son | — | Illinois |
| 37 | Norman Peterson | 6 | Son | — | Illinois |
| 38 | Lyle Peterson | 4 | Son | — | Illinois |
| 39 | Wayne Peterson | 2 | Son | — | Illinois |
| 40 | Andrew Wenderling | 72 | Father in law | — | Germany |
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)