MP
Marie Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Iron-County, Michigan
Our Model Tree links this Marie Peterson across the 1930 and 1940 US Censuses in Iron-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 9-person household.
Age 20
b. ~1920
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Iron-County, Michigan |
| Surname | Peterson |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | City of Iron River |
| 1935 Residence (County) | Iron |
| Additional Details | |
| Occupation | Maid |
| Industry | Housework |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 520 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Maid |
| Township / Ward | City Of Iron River |
| Est. Birth Year | ~1920 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| George Peterson | Son | — | 18 | ~1922 |
| Anna Peterson | Spouse | — | 66 | ~1874 |
| Arthur Peterson | Son | — | 23 | ~1917 |
| Edgar Peterson | Son | — | 25 | ~1915 |
| Lucille Peterson | Daughter | — | 14 | ~1926 |
| Ruth Peterson | Daughter | — | 16 | ~1924 |
| Gudrun Peterson | Daughter | — | 26 | ~1914 |
| Peter Peterson | Head | — | 67 | ~1873 |
| Marie Peterson | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Iron, Michigan
Daughter, age 10
Iron, Michigan · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Norway |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Iron-County, Michigan
Daughter, age 20
Iron-County, Michigan · implied b. ~1920 — 9 household members
| Surname | Peterson |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | City of Iron River |
| 1935 Residence (County) | Iron |
| Occupation | Maid |
| Industry | Housework |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 520 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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
Daughter · 1940 · age 20 · b. ~1920 · Michigan
★ You are viewing this record
Sibling
Arthur Peterson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Peterson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Peterson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gudrun Peterson
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Peterson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edgar Peterson
Sibling · 1940 · age 25
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 — Iron-County, Michigan
Open full size
1940 US Federal Census — Iron-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01765-00566)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Daniel Lundahl | 17 | Son | New Worker | Michigan |
| 2 | Grace Lundahl | 15 | Daughter | — | Michigan |
| 3 | Elliot Lundahl | 12 | Son | — | Michigan |
| 4 | Nathan Lundahl | 7 | Son | — | Michigan |
| 5 | James Lundahl | 5 | Son | — | Michigan |
| 6 | Harald Lundahl | 43 | Head | Garage Owner & Partner | Michigan |
| 7 | Martha Lundahl | 43 | Wife | — | Michigan |
| 8 | Curtis Lundahl | 16 | Son | — | Michigan |
| 9 | Elden Lundahl | 14 | Son | — | Michigan |
| 10 | Carol Ruth Lundahl | 9 | Daughter | — | Michigan |
| 11 | Evelyn Shonyou | 16 | Lodger | — | Wisconsin |
| 12 | Arthur Watta | 61 | Head | Miner | Isle of Man |
| 13 | Gladys Watta | 51 | Wife | — | Isle of Man |
| 14 | Valentine Kysaka | 63 | Head | Labor | Poland |
| 15 | Nellie Kysaka | 60 | Wife | — | Poland |
| 16 | Harold Buddle | 44 | Head | Service Manager | Wisconsin |
| 17 | Elara Buddle | 42 | Wife | — | Michigan |
| 18 | Phyllis Buddle | 19 | Daughter | Stenographer | Michigan |
| 19 | Nancy Buddle | 14 | Daughter | — | Michigan |
| 20 | John Adasiewicz | 38 | Head | Minister | Poland |
| 21 | Peter Contardi | 70 | Head | — | Italy |
| 22 | Mary Contardi | 61 | Wife | — | Italy |
| 23 | Richard Contardi | 25 | Son | Teacher | Michigan |
| 24 | Mario Contardi | 20 | Son | Labor | Michigan |
| 25 | Cecelia Contardi | 16 | Daughter | — | Michigan |
| 26 | Peter Peterson | 67 | Head | Diamond Driller | Norway |
| 27 | Anna Q Peterson | 66 | Wife | — | Michigan |
| 28 | Gudrun Peterson | 26 | Daughter | Bookkeeper | Michigan |
| 29 | Edgar Peterson | 25 | Son | Helper | Michigan |
| 30 | Arthur Peterson | 23 | Son | Filer | Michigan |
| 31 | Marie Peterson THIS PERSON | 20 | Daughter | Maid | Michigan |
| 32 | George Peterson | 18 | Son | New Worker | Michigan |
| 33 | Ruth Peterson | 16 | Daughter | — | Michigan |
| 34 | Lucille Peterson | 14 | Daughter | — | Michigan |
| 35 | Iner Lindbeck | 47 | Head | Miner | Sweden |
| 36 | Matilda Lindbeck | 42 | Wife | — | Wisconsin |
| 37 | Carl Lindbeck | 23 | Son | Clerk | Michigan |
| 38 | Spencer Lindbeck | 19 | Son | Driver | Michigan |
| 39 | Richard Perry | 37 | Head | Miner | Michigan |
| 40 | Bula Perry | 37 | Wife | — | Michigan |
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)