MJ
Martha Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Crow-Wing-County, Minnesota
Our Model Tree links this Martha Johnson across the 1920, 1930 and 1940 US Censuses in Crow-Wing-County, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1861), then head of a 3-person household.
Age 79
b. ~1861
Female
Spouse
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Crow-Wing-County, Minnesota |
| Surname | Johnson |
| Given Name | Martha S. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 79 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Crosby village |
| 1935 Residence (County) | Crow Wing |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Crosby Village |
| Est. Birth Year | ~1861 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Esther Johnson | Daughter | — | 41 | ~1899 |
| Richard Johnson | Head | — | 73 | ~1867 |
| Martha Johnson | Spouse | — | 79 | ~1861 |
Census Appearances
1920
Crow Wing, …
Spouse, age 58
Crow Wing, Minnesota · implied b. ~1862 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1886 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Year of Naturalization | 1893 |
| Birthplace (normalized) | sweden |
1930
Crow Wing, …
Other, age 69
Crow Wing, Minnesota · implied b. ~1861 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Martha |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1886 |
| Age at First Marriage | 31 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Crow-Wing-County, Minnesota
Spouse, age 79
Crow-Wing-County, Minnesota · implied b. ~1861 — 3 household members
| Surname | Johnson |
| Given Name | Martha S. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 79 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Crosby village |
| 1935 Residence (County) | Crow Wing |
| Naturalization Status | Naturalized |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Martha Johnson
Spouse · 1940 · age 79 · b. ~1861 · Minnesota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Crow-Wing-County, Minnesota
Open full size
1940 US Federal Census — Crow-Wing-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01916-00391)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary C. Lee | 10 | daughter | — | Minnesota |
| 42 | James L. Lee | 7 | son | — | Minnesota |
| 43 | James F. O. Jenkins | 47 | head | Laborer | Minnesota |
| 44 | Reba M. Jenkins | 34 | wife | — | Minnesota |
| 45 | Stena M. Anderson | 78 | head | — | Sweden |
| 46 | Frank Roach | 68 | head | — | Minnesota |
| 47 | Viola E. Roach | 65 | wife | — | Minnesota |
| 48 | Doris A. Roach | 28 | daughter | Secretary | Minnesota |
| 49 | Betty R. Driver | 16 | niece | — | Minnesota |
| 50 | Theona M. Roach | 12 | daughter | — | Minnesota |
| 51 | Jack Roach | 11 | son | — | Minnesota |
| 52 | Roy L. Speakes | 51 | head | Laborer | Missouri |
| 53 | Hattie G. Speakes | 51 | wife | — | Missouri |
| 54 | Richard Johnson | 73 | head | — | Sweden |
| 55 | Martha S. Johnson THIS PERSON | 79 | wife | — | Sweden |
| 56 | Esther Johnson | 41 | daughter | — | Minnesota |
| 57 | Carl O. G. Risness | 58 | head | Carpenter | Norway |
| 58 | Esther M. Risness | 35 | wife | — | Minnesota |
| 59 | Eileen M. Thompson | 19 | daughter | Seamstress | Minnesota |
| 60 | Robert H. Thompson | 17 | son | — | Minnesota |
| 61 | Lawrence A. Risness | 9 | son | — | Minnesota |
| 62 | Carl G. Risness | 5 | son | — | Minnesota |
| 63 | Anne M. Lodeo | 63 | mother-in-law | — | Sweden |
| 64 | Fred G. Lake | 27 | head | Caterpillar Tractor Operator | Minnesota |
| 65 | Doris N. Lake | 21 | wife | — | South Dakota |
| 66 | Ernest C. E. Notman | 38 | head | Miner | Sweden |
| 67 | Bernice B. Notman | 33 | wife | — | Minnesota |
| 68 | Dorothy L. Notman | 16 | daughter | — | Minnesota |
| 69 | Gloria J. Notman | 15 | daughter | — | Minnesota |
| 70 | Lorraine Notman | 13 | daughter | — | Minnesota |
| 71 | Rosemary Notman | 10 | daughter | — | Minnesota |
| 72 | Robert Notman | 8 | son | — | Minnesota |
| 73 | Thomas Notman | 7 | son | — | Minnesota |
| 74 | David J. Price | 62 | head | Laborer | Wales |
| 75 | Lily L. Price | 52 | wife | — | Indiana |
| 76 | Donald D. Price | 25 | son | Attendant | Iowa |
| 77 | Myron C. Price | 19 | son | Laborer | Iowa |
| 78 | Edgar E. Price | 17 | son | — | Iowa |
| 79 | R. Louis Miller | 60 | head | Laborer | Minnesota |
| 80 | Maude Miller | 50 | wife | — | Indiana |
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)