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Mary Larson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jackson-County, Minnesota
Our Model Tree links this Mary Larson across the 1930 and 1940 US Censuses in Jackson-County, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1899), then head of a 9-person household.
Age 41
b. ~1899
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Minnesota |
| Surname | Larson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Jackson City |
| 1935 Residence (County) | Jackson |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Jackson City |
| Est. Birth Year | ~1899 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Ruth Larson | Daughter | — | 21 | ~1919 |
| Laura Larson | Daughter | — | 13 | ~1927 |
| Irene Larson | Daughter | — | 15 | ~1925 |
| Dorothy Larson | Daughter | — | 22 | ~1918 |
| Martin Larson | Head | — | 52 | ~1888 |
| Bonnie Larson | Son | — | 19 | ~1921 |
| Gordon Larson | Son | — | 17 | ~1923 |
| Johnny Larson | Son | — | 4 | ~1936 |
| Mary Larson | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Jackson, Minnesota
Spouse, age 30
Jackson, Minnesota · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larsens |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Canada |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Jackson-County, Minnesota
Spouse, age 41
Jackson-County, Minnesota · implied b. ~1899 — 9 household members
| Surname | Larson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Jackson City |
| 1935 Residence (County) | Jackson |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Larson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Larson
Spouse · 1940 · age 41 · b. ~1899 · 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 — Jackson-County, Minnesota
Open full size
1940 US Federal Census — Jackson-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01929-00247)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Larry Hanson | 42 | Head | Clerk | Minnesota |
| 2 | Ann Hanson | 36 | Wife | — | Minnesota |
| 3 | Peter Hanson | 18 | Son | Clerk | Minnesota |
| 4 | Robert Hanson | 17 | Son | — | Minnesota |
| 5 | Nancy Hanson | 15 | Daughter | — | Minnesota |
| 6 | Curtis Hanson | 13 | Son | — | Minnesota |
| 7 | Harry E. Gessner | 48 | Head | Retailer | Minnesota |
| 8 | Ruby Gessner | 47 | Wife | — | Minnesota |
| 9 | Milton Barnes | 51 | Head | Retailer | Wisconsin |
| 10 | Louise Barnes | 50 | Wife | — | Wisconsin |
| 11 | Nellie Scarfoss | 54 | Sister-in-law | — | Wisconsin |
| 12 | Dorsey Scarfoss | 24 | Daughter | Teacher | North Dakota |
| 13 | Frank Mundell | 46 | Head | Retailer | Minnesota |
| 14 | Mabel Mundell | 47 | Wife | — | Minnesota |
| 15 | Mary Mundell | 13 | Daughter | — | Minnesota |
| 16 | Clyde Beck | 48 | Head | Salesman | Minnesota |
| 17 | Elsie Beck | 48 | Wife | — | Iowa |
| 18 | Floyd Beck | 21 | Son | Clerk | Minnesota |
| 19 | Leo Beck | 17 | Son | — | Minnesota |
| 20 | Fred Mcvenes | 63 | Head | Manager | Iowa |
| 21 | Addie Mcvenes | 61 | Wife | — | South Dakota |
| 22 | Thomas Mcvenes | 19 | Son | Navy | Minnesota |
| 23 | Robert Mcvenes | 16 | Son | — | Minnesota |
| 24 | Lars Kvande | 77 | Head | — | Norway |
| 25 | John Gillestad | 49 | Lodger | Painter | Norway |
| 26 | Martin Larson | 52 | Head | Engineer | Minnesota |
| 27 | Mary Larson THIS PERSON | 41 | Wife | — | Illinois |
| 28 | Dorothy Larson | 22 | Daughter | — | Minnesota |
| 29 | Ruth Larson | 21 | Daughter | Clerk | Minnesota |
| 30 | Bonnie Larson | 19 | Son | Helper | Minnesota |
| 31 | Gordon Larson | 17 | Son | — | Minnesota |
| 32 | Irene Larson | 15 | Daughter | — | Minnesota |
| 33 | Laura Larson | 13 | Daughter | — | Minnesota |
| 34 | Johnny Larson | 4 | Son | — | Minnesota |
| 35 | Jane Knox | 84 | Head | — | Wisconsin |
| 36 | William Splinter | 53 | Head | — | Iowa |
| 37 | Blanche Splinter | 29 | Wife | Dray Line | Iowa |
| 38 | Martin Iverson | 62 | Head | — | Minnesota |
| 39 | Elizabeth Iverson | 39 | Wife | — | Minnesota |
| 40 | Francis Vlachman | 30 | Head | — | 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)