LJ
Lydia Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Itasca-County, Minnesota
Our Model Tree links this Lydia Johnson across the 1930 and 1940 US Censuses in Itasca-County, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 6-person household.
Age 43
b. ~1897
Female
Spouse
Born: Finland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Itasca-County, Minnesota |
| Surname | Johnson |
| Given Name | Lydia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Finland |
| 1935 Residence (City) | Blackberry Township |
| 1935 Residence (County) | Itasca |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
| Township / Ward | Blackberry Township |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lydia | Age | Birth yr |
|---|---|---|---|---|
| Howard Johnson | Son | — | 14 | ~1926 |
| Aris Johnson | Son | — | 21 | ~1919 |
| Helen Johnson | Daughter | — | 14 | ~1926 |
| Lydia Johnson | Spouse | — | 43 | ~1897 |
| Lillian Johnson | Daughter | — | 20 | ~1920 |
| Oscar Johnson | Head | — | 44 | ~1896 |
Census Appearances
1930
Itasca, Minnesota
Other, age 32
Itasca, Minnesota · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lydia J. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| 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
Itasca-County, Minnesota
Spouse, age 43
Itasca-County, Minnesota · implied b. ~1897 — 6 household members
| Surname | Johnson |
| Given Name | Lydia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Finland |
| 1935 Residence (City) | Blackberry Township |
| 1935 Residence (County) | Itasca |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Lydia Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lydia Johnson
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 — Itasca-County, Minnesota
Open full size
1940 US Federal Census — Itasca-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01928-00112)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles Unquetah|Unquetahle | 25 | Son | Laborer | Illinois |
| 2 | John S Erholtz | 37 | Head | Farmer | Minnesota |
| 3 | Marie E Erholtz | 34 | Wife | — | Minnesota |
| 4 | Alice M Erholtz | 12 | Daughter | — | Minnesota |
| 5 | Jack R Erholtz | 11 | Son | — | Minnesota |
| 6 | David W Erholtz | 7 | Son | — | Minnesota |
| 7 | Doris J Erholtz | 5 | Daughter | — | Minnesota |
| 8 | Jane L Erholtz | 3 | Daughter | — | Minnesota |
| 9 | Arvid E Erholtz | 1 | Son | — | Minnesota |
| 10 | Charles Anderson | 54 | Head | W.P.A. | Wisconsin |
| 11 | Martha Anderson | 43 | Wife | — | Kentucky |
| 12 | Vivian Anderson | 18 | Daughter | Waitress | Wisconsin |
| 13 | Gladys Anderson | 13 | Daughter | — | Minnesota |
| 14 | Joyce Anderson | 11 | Daughter | — | Minnesota |
| 15 | Donald Anderson | 8 | Son | — | Minnesota |
| 16 | Robert Anderson | 7 | Son | — | Minnesota |
| 17 | Lois Anderson | 4 | Daughter | — | Minnesota |
| 18 | Jerry Anderson | 2 | Son | — | Minnesota |
| 19 | Oscar O Johnson | 44 | Head | Farmer | Minnesota |
| 20 | Lydia Johnson THIS PERSON | 43 | Wife | — | Finland |
| 21 | Aris Johnson | 21 | Son | New Worker | Minnesota |
| 22 | Lillian Johnson | 20 | Daughter | — | Minnesota |
| 23 | Helen Johnson | 14 | Daughter | — | Minnesota |
| 24 | Howard Johnson | 14 | Son | — | Minnesota |
| 25 | Erland Tempis | 49 | Head | Farmer | Finland |
| 26 | Milma Tempis | 53 | Wife | — | Finland |
| 27 | Edwin L Jackson | 42 | Head | Farmer | Illinois |
| 28 | Ida I Jackson | 39 | Wife | — | Minnesota |
| 29 | Robert E Jackson | 9 | Son | — | Minnesota |
| 30 | James V Jackson | 7 | Son | — | Minnesota |
| 31 | Emil E Laurel | 54 | Head | Farmer | Finland |
| 32 | Art N Johnson | 35 | Head | Bus Driver | North Dakota |
| 33 | Bessie E Johnson | 34 | Wife | — | Indiana |
| 34 | Ronald L Johnson | 10 | Son | — | North Dakota |
| 35 | Burnell A Johnson | 7 | Son | — | North Dakota |
| 36 | Yvonne B Johnson | 4 | Daughter | — | Minnesota |
| 37 | Alice Smith | 52 | Mother in law | — | Indiana |
| 38 | Ida Smith | 17 | Sister in law | — | North Dakota |
| 39 | Peter F Kilburg | 48 | Head | W.P.A. | Minnesota |
| 40 | Alice F Kilburg | 45 | Wife | — | Nebraska |
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)