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Mary Anderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wadena-County, Minnesota
Our Model Tree links this Mary Anderson across the 1920, 1930 and 1940 US Censuses in Wadena-County, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1876), then head of a 8-person household.
Age 64
b. ~1876
Female
Spouse
Born: Finland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wadena-County, Minnesota |
| Surname | Anderson |
| Given Name | Mary P |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Finland |
| 1935 Residence (City) | Blueberry Township |
| 1935 Residence (County) | Wadena |
| Naturalization Status | Alien |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same house |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
| Township / Ward | Blueberry Township |
| Est. Birth Year | ~1876 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| W Eenton | Daughter | — | 30 | ~1910 |
| Fores Anderson | Head | — | 79 | ~1861 |
| M Hans | Other | — | 2 | ~1938 |
| L Betty | Other | — | 7 | ~1933 |
| A Gloria | Other | — | 4 | ~1936 |
| Arvid Anderson | Son | — | 27 | ~1913 |
| William Anderson | Son | — | 31 | ~1909 |
| Mary Anderson | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Otter Tail, …
Spouse, age 46
Otter Tail, Minnesota · implied b. ~1874 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Finland |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Finnish |
| Birth Country | Finland |
| Year of Naturalization | 1882 |
| Birthplace (normalized) | finland |
1930
Wadena, Minnesota
Spouse, age 56
Wadena, Minnesota · implied b. ~1874 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Finland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1883 |
| Age at First Marriage | 20 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read/Write | Yes |
| Mother Tongue | Finnish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1940
Wadena-County, Minnesota
Spouse, age 64
Wadena-County, Minnesota · implied b. ~1876 — 8 household members
| Surname | Anderson |
| Given Name | Mary P |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Finland |
| 1935 Residence (City) | Blueberry Township |
| 1935 Residence (County) | Wadena |
| Naturalization Status | Alien |
| Income (1939) | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same house |
| 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 Mary Anderson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Anderson
Spouse · 1940 · age 64 · b. ~1876 · 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 — Wadena-County, Minnesota
Open full size
1940 US Federal Census — Wadena-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01966-00032)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Dickerson | 5 | Son | — | Minnesota |
| 2 | Fores Anderson | 79 | Head | — | Finland |
| 3 | Mary P Anderson THIS PERSON | 64 | Wife | — | Finland |
| 4 | Arvid A Anderson | 27 | Son | Laborer | Minnesota |
| 5 | William S Anderson | 31 | Son | Laborer | Minnesota |
| 6 | W Eenton | 30 | Daughter | — | Minnesota |
| 7 | L Betty | 7 | Granddaughter | — | Minnesota |
| 8 | A Gloria | 4 | Granddaughter | — | Minnesota |
| 9 | M Hans | 2 | Grandson | — | Minnesota |
| 10 | Henry J Polo | 69 | Head | — | Finland |
| 11 | Walpari Polo | 53 | Wife | — | Finland |
| 12 | Svante H Polo | 32 | Son | Laborer | Finland |
| 13 | Everett Ranna | 52 | Head | Laborer | Minnesota |
| 14 | Anna L Ranna | 32 | Wife | — | Minnesota |
| 15 | Ellen J Ranna | 6 | Daughter | — | Minnesota |
| 16 | George E Ranna | 4 | Son | — | Minnesota |
| 17 | John E Ranna | 2 | Son | — | Minnesota |
| 18 | Walter E Ranna | 1 | Son | — | Minnesota |
| 19 | Arthur O Johnson | 27 | Head | Laborer | Minnesota |
| 20 | Annabelle B Johnson | 21 | Wife | — | Minnesota |
| 21 | Sylvia E Pope | 77 | Head | — | Iowa |
| 22 | B Le Roy | 49 | Son | Laborer | Kansas |
| 23 | Katy Junula | 16 | Lodger | — | Minnesota |
| 24 | Signe Tuoma | 18 | Lodger | — | Minnesota |
| 25 | A E Hevala | 40 | Head | Laborer | Minnesota |
| 26 | Hilda S Hevala | 26 | Wife | — | Minnesota |
| 27 | Alvo E Hevala | 5 | Son | — | Minnesota |
| 28 | Dagmar H Hevala | 3 | Daughter | — | Minnesota |
| 29 | Asma E Hevala | 2 | Daughter | — | Minnesota |
| 30 | Julia M Hevala | 1 | Daughter | — | Minnesota |
| 31 | Matti Hardinen | 49 | Head | Laborer | Finland |
| 32 | Lydia S Hardinen | 44 | Wife | — | Minnesota |
| 33 | Leonard F Hardinen | 21 | Son | — | Minnesota |
| 34 | Edna I Hardinen | 18 | Daughter | — | Minnesota |
| 35 | Helen E Hardinen | 14 | Daughter | — | Minnesota |
| 36 | Elaine L Hardinen | 11 | Daughter | — | Minnesota |
| 37 | Anton H Hardinen | 9 | Son | — | Minnesota |
| 38 | Lillian S Hardinen | 7 | Daughter | — | Minnesota |
| 39 | Elsie F Hardinen | 5 | Daughter | — | Minnesota |
| 40 | Douglas M Hardinen | 3 | Son | — | 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)