MP
Martha Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-County, Minnesota
Our Model Tree links this Martha Peterson across the 1920, 1930 and 1940 US Censuses in St.-Louis-County, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 5-person household.
Age 61
b. ~1879
Female
Spouse
Born: Norway
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Minnesota |
| Surname | Peterson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Village of Franklin |
| 1935 Residence (County) | St. Louis |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Township / Ward | Village Of Franklin |
| Est. Birth Year | ~1879 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Bertha Peterson | Daughter | — | 17 | ~1923 |
| Martha Peterson | Spouse | — | 61 | ~1879 |
| John Peterson | Head | — | 58 | ~1882 |
| Walter Peterson | Son | — | 28 | ~1912 |
| Alfred Peterson | Son | — | 23 | ~1917 |
Census Appearances
1920
Dakota, Minnesota
Spouse, age 41
Dakota, Minnesota · implied b. ~1879 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1889 |
| Naturalization Status | First papers filed |
| 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
St Louis, …
Spouse, age 51
St Louis, Minnesota · implied b. ~1879 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1888 |
| Age at First Marriage | 21 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
St.-Louis-County, Minnesota
Spouse, age 61
St.-Louis-County, Minnesota · implied b. ~1879 — 5 household members
| Surname | Peterson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Village of Franklin |
| 1935 Residence (County) | St. Louis |
| Naturalization Status | Naturalized |
| Highest Grade | No 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 Martha Peterson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Martha Peterson
Spouse · 1940 · age 61 · b. ~1879 · Minnesota
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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 — St.-Louis-County, Minnesota
Open full size
1940 US Federal Census — St.-Louis-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01956-00069)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Angela Stepich | 51 | Wife | — | Yugoslavia |
| 42 | Jennie Stepich | 20 | Daughter | — | Minnesota |
| 43 | Mary Stepich | 15 | Daughter | Seamstress | Minnesota |
| 44 | Arne Domatila | 31 | Head | — | Minnesota |
| 45 | Celia Domatila | 30 | Wife | Switchman | Minnesota |
| 46 | Eleanor Domatila | 8 | Daughter | — | Minnesota |
| 47 | Robert Domatila | 7 | Son | — | Minnesota |
| 48 | John W. Kehoe | 74 | Head | — | Michigan |
| 49 | George Kehoe | 29 | Son | — | Minnesota |
| 50 | Fred Jylha | 30 | Son-in-law | Laborer | Minnesota |
| 51 | Leona Jylha | 31 | Daughter | Laborer | Minnesota |
| 52 | Robert Jylha | 5 | Grandson | — | Minnesota |
| 53 | Edward Jylha | 3 | Grandson | — | Minnesota |
| 54 | Mike Lindquist | 73 | Head | Watchman | Finland |
| 55 | Hedvig Lindquist | 73 | Wife | — | Finland |
| 56 | John Lindquist | 50 | Son | Laborer | Illinois |
| 57 | Mike Jr. Lindquist | 48 | Son | Laborer | Illinois |
| 58 | Elio Pietrini | 27 | Head | Laborer | Italy |
| 59 | Jean Pietrini | 22 | Wife | — | Minnesota |
| 60 | Barbara Pietrini | 5 | Daughter | — | Minnesota |
| 61 | Secundo Gentilini | 30 | Lodger | Laborer | Minnesota |
| 62 | John Peterson | 58 | Head | Laborer | Norway |
| 63 | Martha Peterson THIS PERSON | 61 | Wife | — | Norway |
| 64 | Walter Peterson | 28 | Son | Laborer | Minnesota |
| 65 | Alfred Peterson | 23 | Son | Laborer | Minnesota |
| 66 | Bertha Peterson | 17 | Daughter | — | Minnesota |
| 67 | Wagner Makynen | 31 | Head | Laborer | Finland |
| 68 | Celia Makynen | 26 | Wife | — | Minnesota |
| 69 | David L. Makynen | 4 | Son | — | Minnesota |
| 70 | Joseph Pencovella | 58 | Head | Laborer | Italy |
| 71 | Lucy Pencovella | 54 | Wife | — | Italy |
| 72 | Levio Pencovella | 21 | Son | New Worker | Minnesota |
| 73 | Angeli Angelo | 54 | Head | Laborer | Italy |
| 74 | Annie Angelo | 54 | Wife | — | Austria |
| 75 | Tony Angelo | 28 | Son | Laborer | Minnesota |
| 76 | John Angelo | 25 | Son | New Worker | Minnesota |
| 77 | Rena Angelo | 18 | Daughter | New Worker | Minnesota |
| 78 | Minnie Bjorklund | 59 | Head | — | Finland |
| 79 | Eleanor Bjorklund | 33 | Daughter | Stenographer | Minnesota |
| 80 | Louie Lindholm | 33 | Son-in-law | Salesman | Minnesota |
Related Census Records
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)