IJ
Irene Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-County, Minnesota
Our Model Tree links this Irene Johnson across the 1920, 1930 and 1940 US Censuses in St.-Louis-County, Minnesota (XGBoost, ~Confirmed), with identified parents Otto & Hilda — first a daughter (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Minnesota |
| Surname | Johnson |
| Given Name | Irene |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | City of Duluth |
| 1935 Residence (County) | ST. LOUIS |
| Additional Details | |
| Occupation | Bookkeeper Stenographer |
| Industry | Doctor's Office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 920 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Bookkeeper Stenographer |
| Township / Ward | City Of Duluth |
| Est. Birth Year | ~1916 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Irene | Age | Birth yr |
|---|---|---|---|---|
| Irene Johnson | Daughter | — | 24 | ~1916 |
| Carl Johnson | Head | — | 50 | ~1890 |
| Lawrence Johnson | Son | — | 20 | ~1920 |
| Johnson | Spouse | — | 50 | ~1890 |
Census Appearances
1920
St Louis, …
Daughter, age 3
St Louis, Minnesota · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Irene |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
St Louis, …
Daughter, age 14
St Louis, Minnesota · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Irene |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
St.-Louis-County, Minnesota
Daughter, age 24
St.-Louis-County, Minnesota · implied b. ~1916 — 4 household members
| Surname | Johnson |
| Given Name | Irene |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | City of Duluth |
| 1935 Residence (County) | ST. LOUIS |
| Occupation | Bookkeeper Stenographer |
| Industry | Doctor's Office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 920 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Irene Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Otto Johnson (~0.92 confidence) and mother Hilda Johnson (~0.92 confidence) and father Carl Johnson (~0.92 confidence) and father Carl Johnson (~0.92 confidence) and mother Nannie Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Otto Johnson
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Hilda Johnson
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
Carl Johnson
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Carl Johnson
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Nannie Johnson
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Irene Johnson
Daughter · 1940 · age 24 · b. ~1916 · Minnesota
★ You are viewing this record
Sibling
Lawrence Johnson
Sibling · 1940 · age 20
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 — 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-t0627-01974-00593)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Myrtle Anderson | 48 | Wife | — | Michigan |
| 42 | Dorothy M. Anderson | 28 | Daughter | Candler | Michigan |
| 43 | Claude Anderson | 20 | Son | Cutter | Minnesota |
| 44 | Florence Anderson | 18 | Daughter | — | Minnesota |
| 45 | June Anderson | 15 | Daughter | — | Minnesota |
| 46 | Herman S. Jackson | 47 | Head | Laborer | Minnesota |
| 47 | Sophie Jackson | 39 | Wife | — | Minnesota |
| 48 | Herman S. Jackson | 14 | Son | — | Minnesota |
| 49 | Richard Jackson | 12 | Son | — | Minnesota |
| 50 | Charles L. Christensen | 29 | Head | Laborer | Minnesota |
| 51 | Dagmar Christensen | 28 | Wife | — | Minnesota |
| 52 | Janice Christensen | 3 | Daughter | — | Minnesota |
| 53 | Janet Christensen | 3 | Daughter | — | Minnesota |
| 54 | Hjordis C.B. Nelson | 34 | Head | — | Minnesota |
| 55 | Robert Nelson | 15 | Son | — | Minnesota |
| 56 | Donald Nelson | 11 | Son | — | Minnesota |
| 57 | Gerald Nelson | 7 | Son | — | Minnesota |
| 58 | Earl S. Welhaven | 29 | Brother | Musician | Minnesota |
| 59 | Lowell K. Fermenich | 28 | Head | Helper | Minnesota |
| 60 | Evelyn Fermenich | 24 | Wife | — | Michigan |
| 61 | Sylvester A. Pfetser | 45 | Head | Machinist | Minnesota |
| 62 | Josephine Pfetser | 44 | Wife | — | Minnesota |
| 63 | Lola Mae Pfetser | 13 | Daughter | — | Minnesota |
| 64 | Carl A. Johnson | 50 | Head | Contractor | Sweden |
| 65 | Nan Johnson | 50 | Wife | — | Sweden |
| 66 | Irene Johnson THIS PERSON | 24 | Daughter | Bookkeeper Stenographer | Minnesota |
| 67 | Lawrence Johnson | 20 | Son | — | Minnesota |
| 68 | N. D. Filiatrault | 32 | Head | Proprietor | Minnesota |
| 69 | Mercedes Filiatrault | 32 | Wife | — | Minnesota |
| 70 | Thomas J. Filiatrault | 7 | Son | — | Minnesota |
| 71 | Infant Filiatrault | 0 | Son | — | Minnesota |
| 72 | Lilly Larson | 24 | Maid | Housekeeper | Minnesota |
| 73 | Clara V. Rich | 45 | Head | Saleslady | Wisconsin |
| 74 | John Rich | 23 | Son | Mechanic Helper | Minnesota |
| 75 | Marion Rich | 21 | Daughter | Telephone Operator | Minnesota |
| 76 | James Rich | 13 | Son | — | Minnesota |
| 77 | Hans L. Wick | 59 | Head | Bus Washer | Norway |
| 78 | Hilda Wick | 53 | Wife | — | Finland |
| 79 | Henry L. Wick | 24 | Son | Laborer | Minnesota |
| 80 | Mabel Wick | 21 | Daughter | New Worker | Minnesota |
Pedigree Summary
Irene + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)