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Ruth Larson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Isanti-County, Minnesota
Our Model Tree links this Ruth Larson across the 1930 and 1940 US Censuses in Isanti-County, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 10-person household.
Age 10
b. ~1930
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Isanti-County, Minnesota |
| Surname | Larson |
| Given Name | Ruth M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Bradford twp. |
| 1935 Residence (County) | Isanti |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Bradford Twp |
| Est. Birth Year | ~1930 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Carolyn Larson | Daughter | — | 12 | ~1928 |
| John Larson | Son | — | 1 | ~1939 |
| Marilyn Larson | Daughter | — | 4 | ~1936 |
| Elsie Larson | Spouse | — | 33 | ~1907 |
| Melvin Larson | Son | — | 10 | ~1930 |
| Wesley Larson | Son | — | 4 | ~1936 |
| Raymond Larson | Son | — | 8 | ~1932 |
| Robert Larson | Son | — | 6 | ~1934 |
| Ruth Larson | Daughter | — | 10 | ~1930 |
| Gust Larson | Head | — | 34 | ~1906 |
Census Appearances
1930
Isanti, Minnesota
Daughter, age 2
Isanti, Minnesota · implied b. ~1928 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Ruth M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read/Write | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Isanti-County, Minnesota
Daughter, age 10
Isanti-County, Minnesota · implied b. ~1930 — 10 household members
| Surname | Larson |
| Given Name | Ruth M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Bradford twp. |
| 1935 Residence (County) | Isanti |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Ruth Larson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Larson
Daughter · 1940 · age 10 · b. ~1930 · Minnesota
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Sibling
Carolyn Larson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Larson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Larson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Larson
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melvin Larson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wesley Larson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marilyn Larson
Sibling · 1940 · age 4
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 — Isanti-County, Minnesota
Open full size
1940 US Federal Census — Isanti-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01927-00852)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harold O Swanson | 41 | Head | Laborer | Minnesota |
| 2 | Mabel M Swanson | 40 | Wife | — | Minnesota |
| 3 | Harold T Swanson | 18 | Son | Truck Driver | Minnesota |
| 4 | Lawrence V Swanson | 15 | Son | — | Minnesota |
| 5 | Robert O Swanson | 15 | Son | — | Minnesota |
| 6 | Ann Louise Swanson | 4 | Daughter | — | Minnesota |
| 7 | Andrew L Martin | 58 | Head | Farmer | Sweden |
| 8 | Nina M Martin | 51 | Wife | — | Minnesota |
| 9 | Lloyd S Martin | 19 | Partner | Farmer | Minnesota |
| 10 | Wesley P Peterson | 35 | Head | Farmer | Minnesota |
| 11 | Anna E Peterson | 38 | Wife | — | Minnesota |
| 12 | Bruce W Peterson | 11 | Son | — | Minnesota |
| 13 | Alice J Peterson | 9 | Daughter | — | Minnesota |
| 14 | Carol A Peterson | 6 | Daughter | — | Minnesota |
| 15 | Bernice K Peterson | 5 | Daughter | — | Minnesota |
| 16 | Gust A Larson | 34 | Head | Farmer | Minnesota |
| 17 | Elsie V Larson | 33 | Wife | — | Minnesota |
| 18 | Carolyn M Larson | 12 | Daughter | — | Minnesota |
| 19 | Ruth M Larson THIS PERSON | 10 | Daughter | — | Minnesota |
| 20 | Melvin D Larson | 10 | Son | — | Minnesota |
| 21 | Raymond R Larson | 8 | Son | — | Minnesota |
| 22 | Robert W Larson | 6 | Son | — | Minnesota |
| 23 | Marilyn C Larson | 4 | Daughter | — | Minnesota |
| 24 | Wesley A Larson | 4 | Son | — | Minnesota |
| 25 | John E Larson | 1 | Son | — | Minnesota |
| 26 | Andrew T Anderson | 71 | Head | — | Sweden |
| 27 | Annie C Anderson | 55 | Wife | — | Minnesota |
| 28 | Dorothy M Anderson | 18 | Daughter | — | Minnesota |
| 29 | William Floyd | 44 | Head | Farmer | Missouri |
| 30 | Carry M Floyd | 69 | Wife | — | Tennessee |
| 31 | Dewey H Floyd | 41 | Son | — | Minnesota |
| 32 | Hans A Caggins | 52 | Head | Farmer | Minnesota |
| 33 | William Caggins | 50 | Partner | Farmer | Minnesota |
| 34 | Lottie Caggins | 89 | Mother | — | Sweden |
| 35 | Nels H Ostrom | 58 | Head | Farmer | Sweden |
| 36 | Agda C Ostrom | 53 | Wife | — | Sweden |
| 37 | Paul M Ostrom | 16 | Son | — | Minnesota |
| 38 | Edward E Colburn | 67 | Head | Farmer | Minnesota |
| 39 | Phoebe A Colburn | 71 | Wife | — | Maine |
| 40 | Fred C Westlund | 63 | Head | Farmer | 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)