IP
Ida Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Douglas-County, Minnesota
Our Model Tree links this Ida Peterson across the 1920, 1930 and 1940 US Censuses in Douglas-County, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 3-person household.
Age 43
b. ~1897
Female
Spouse
Born: Finland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Douglas-County, Minnesota |
| Surname | Peterson |
| Given Name | Ida |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Finland |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Wright |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Minnesota |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
| Township / Ward | Moe Twp |
| Est. Birth Year | ~1897 |
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 Ida | Age | Birth yr |
|---|---|---|---|---|
| Charles Peterson | Head | — | 50 | ~1890 |
| Richard Peterson | Son | — | 13 | ~1927 |
| Ida Peterson | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Douglas, Minnesota
Spouse, age 22
Douglas, Minnesota · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ida |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Finland |
| Year of Immigration | 1904 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Finnish |
| Birth Country | Finland |
| Year of Naturalization | 1915 |
| Birthplace (normalized) | finland |
1930
Douglas, Minnesota
Spouse, age 33
Douglas, Minnesota · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Finland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1914 |
| Age at First Marriage | 19 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read/Write | Yes |
| Mother Tongue | Finnish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1940
Douglas-County, Minnesota
Spouse, age 43
Douglas-County, Minnesota · implied b. ~1897 — 3 household members
| Surname | Peterson |
| Given Name | Ida |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Finland |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Wright |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Minnesota |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
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 Ida Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Ida Peterson
Spouse · 1940 · age 43 · b. ~1897 · 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 — Douglas-County, Minnesota
Open full size
1940 US Federal Census — Douglas-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01919-00879)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Olof Smith | 58 | Head | Farm Operator | Sweden |
| 2 | Catharine Smith | 47 | Wife | — | Wisconsin |
| 3 | Ella Mae Smith | 13 | daughter | — | Minnesota |
| 4 | Eugene Smith | 11 | son | — | Minnesota |
| 5 | Irma Smith | 6 | daughter | — | Minnesota |
| 6 | Christina Erickson | 88 | mother | — | Sweden |
| 7 | William Oleson | 42 | Head | Farm Operator | Sweden |
| 8 | Edith Oleson | 40 | wife | — | Minnesota |
| 9 | Harriet Oleson | 1 | daughter | — | Minnesota |
| 10 | Walter Erickson | 41 | Head | Farm Operator | Minnesota |
| 11 | Lewis Erickson | 33 | brother | Farm Laborer | Minnesota |
| 12 | Edward Erickson | 55 | brother | Farm Laborer | Minnesota |
| 13 | Clarence Thompson | 30 | hired man | Farm Laborer | Minnesota |
| 14 | Carrie Erickson | 81 | mother | — | Minnesota |
| 15 | Theodore Edman | 40 | Head | Farm Operator | Minnesota |
| 16 | Andrew Edman | 37 | brother | Farm Laborer | Minnesota |
| 17 | Hjalmar Edman | 35 | brother | Farm Laborer | Minnesota |
| 18 | Ruth Edman | 28 | sister | — | Minnesota |
| 19 | Clara M. Edman | 73 | mother | — | Sweden |
| 20 | Isaac J. Johnson | 71 | Head | Farm Operator | Norway |
| 21 | William H. Johnson | 49 | Head | Farm Operator | Iowa |
| 22 | Vina Johnson | 44 | wife | — | Iowa |
| 23 | Betty Louise Johnson | 9 | daughter | — | Minnesota |
| 24 | William K. Kayser | 72 | father-in-law | — | Wisconsin |
| 25 | Henry Uaitolo | Vaitolo | 55 | Head | Farm Laborer | Minnesota |
| 26 | Greta Uaitolo | Vaitolo | 81 | mother | — | Norway |
| 27 | Harry Nisbert | 48 | Head | Farm Operator | Ohio |
| 28 | Jenny Nisbert | 44 | wife | — | Minnesota |
| 29 | Charles Peterson | 50 | Head | Farm Operator | Minnesota |
| 30 | Ida Peterson THIS PERSON | 43 | wife | — | Finland |
| 31 | Richard Peterson | 13 | son | — | Minnesota |
| 32 | Albert Julin | 63 | Head | Farm Operator | Minnesota |
| 33 | Ethel Julin | 38 | daughter | — | Minnesota |
| 34 | Arthur Lamby | 37 | Head | Farm Operator | Minnesota |
| 35 | Thea Lamby | 65 | mother | — | Minnesota |
| 36 | John Mattson | 52 | Head | Farm Operator | Michigan |
| 37 | Ida Mattson | 50 | wife | — | Minnesota |
| 38 | Carl Hogan | 51 | Head | Farm Operator | Michigan |
| 39 | Hannah Hogan | 50 | wife | — | Minnesota |
| 40 | Irene Hogan | 21 | daughter | — | Minnesota |
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)