LJ
Lydia Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-County, Minnesota
Our Model Tree links this Lydia Johnson across the 1930 and 1940 US Censuses in St.-Louis-County, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 5-person household.
Age 40
b. ~1900
Female
Spouse
Born: Finland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Minnesota |
| Surname | Johnson |
| Given Name | Lydia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Finland |
| 1935 Residence (City) | St. Louis |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
| Township / Ward | Biwabik |
| Est. Birth Year | ~1900 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lydia | Age | Birth yr |
|---|---|---|---|---|
| John Johnson | Head | — | 40 | ~1900 |
| Laverne Johnson | Daughter | — | 13 | ~1927 |
| Gladis Johnson | Daughter | — | 5 | ~1935 |
| Jannette Johnson | Daughter | — | 7 | ~1933 |
| Lydia Johnson | Spouse | — | 40 | ~1900 |
Census Appearances
1930
St Louis, …
Spouse, age 30
St Louis, Minnesota · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lydia M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Finland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Age at First Marriage | 26 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read/Write | Yes |
| Mother Tongue | Finnish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1940
St.-Louis-County, Minnesota
Spouse, age 40
St.-Louis-County, Minnesota · implied b. ~1900 — 5 household members
| Surname | Johnson |
| Given Name | Lydia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Finland |
| 1935 Residence (City) | St. Louis |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | 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 40 · b. ~1900 · 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 — St.-Louis-County, Minnesota
Open full size
1940 US Federal Census — St.-Louis-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01955-00176)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert W. Ostby | 17 | Nephew | — | Minnesota |
| 42 | Shirley H. Ostby | 15 | Niece | — | Minnesota |
| 43 | Harold H. Ostby | 13 | Nephew | — | Minnesota |
| 44 | Fred Miners | 48 | Head | Shovel Runner | England |
| 45 | Ingerta Miners | 45 | Wife | — | Norway |
| 46 | Fredrick Miners | 24 | Son | Labor | Michigan |
| 47 | Jane Miners | 21 | Daughter | — | Minnesota |
| 48 | James Milos | 27 | Head | Locomotive Fireman | Minnesota |
| 49 | Norma Milos | 25 | Wife | — | Minnesota |
| 50 | Jan Milos | 4 | Son | — | Minnesota |
| 51 | Helen Harrison | 42 | Head | — | Minnesota |
| 52 | Donna Harrison | 16 | Daughter | — | Minnesota |
| 53 | Clarence E. Hagie | 53 | Head | Superintendent | Iowa |
| 54 | Ruby Hagie | 47 | Wife | — | Iowa |
| 55 | Eileen D. Hagie | 18 | Daughter | — | Montana |
| 56 | Henry Lindstrom | 59 | Head | Hustler | Finland |
| 57 | Maren Lindstrom | 55 | Wife | — | Finland |
| 58 | John W. Johnson | 40 | Head | Butcher | Minnesota |
| 59 | Lydia Johnson THIS PERSON | 40 | Wife | — | Finland |
| 60 | Laverne Johnson | 13 | Daughter | — | Minnesota |
| 61 | Jannette Johnson | 7 | Daughter | — | Minnesota |
| 62 | Gladis Johnson | 5 | Daughter | — | Minnesota |
| 63 | Carmon Monteleone | 57 | Head | Labor | Italy |
| 64 | Mary Monteleone | 55 | Wife | — | Italy |
| 65 | Elizabeth Monteleone | 19 | Daughter | — | Minnesota |
| 66 | Fannie Monteleone | 18 | Daughter | — | Minnesota |
| 67 | Joseph J. Robinson | 74 | Head | — | Canada-French |
| 68 | Georgina Robinson | 65 | Wife | — | Canada-French |
| 69 | Joseph Colangelo | 59 | Head | Janitor | Italy |
| 70 | Josephine Colangelo | 54 | Wife | — | Italy |
| 71 | Amico Colangelo | 32 | Son | Proprietor | Italy |
| 72 | Viola Colangelo | 21 | Daughter | Waitress | Minnesota |
| 73 | Tony Colangelo | 20 | Son | — | Minnesota |
| 74 | Frank Colangelo | 16 | Son | — | Minnesota |
| 75 | Elizabeth Colangelo | 15 | Daughter | — | Minnesota |
| 76 | Sam Difazio | 48 | Head | Barber | Italy |
| 77 | Rose Difazio | 39 | Wife | — | Italy |
| 78 | Sophia Difazio | 16 | Daughter | — | Minnesota |
| 79 | Dorothy Difazio | 13 | Daughter | — | Minnesota |
| 80 | Mitchel Difazio | 8 | 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)