GJ
Gilbert Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-County, Minnesota
Our Model Tree links this Gilbert Johnson across the 1910, 1920, 1930 and 1940 US Censuses in St.-Louis-County, Minnesota (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Minnesota |
| Surname | Johnson |
| Given Name | Gilbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Duluth city |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Occupation | Tool Maker |
| Industry | Tool Factory |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1086 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Tool Maker |
| Township / Ward | Duluth City |
| Est. Birth Year | ~1910 |
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 Gilbert | Age | Birth yr |
|---|---|---|---|---|
| Gilbert Johnson | Son | — | 30 | ~1910 |
| Alice Johnson | Daughter | — | 32 | ~1908 |
| Alvin Johnson | Head | — | 59 | ~1881 |
| Mabel Johnson | Daughter | — | 28 | ~1912 |
Census Appearances
1910
St Louis, …
Son, age
St Louis, Minnesota · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Gilbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
St Louis, …
Son, age 10
St Louis, Minnesota · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Gilbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
St Louis, …
Son, age 20
St Louis, Minnesota · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Gilbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Age at First Marriage | 20 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Baker |
| Industry | Bakery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
St.-Louis-County, Minnesota
Son, age 30
St.-Louis-County, Minnesota · implied b. ~1910 — 4 household members
| Surname | Johnson |
| Given Name | Gilbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Duluth city |
| 1935 Residence (County) | St. Louis |
| Occupation | Tool Maker |
| Industry | Tool Factory |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1086 |
| Highest Grade | Hs 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 Gilbert Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Johnson (~0.92 confidence) and father Charles Johnson (~0.92 confidence) and mother Hulda Johnson (~0.92 confidence) and mother Hulda Johnson (~0.92 confidence) and father Alvin Johnson (~0.92 confidence) and mother Hedwig Johnson (~0.92 confidence) and father Elvin Johnson (~0.92 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Johnson
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Charles Johnson
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Hulda Johnson
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Hulda Johnson
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Alvin Johnson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Hedwig Johnson
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Elvin Johnson
b. ~1885
Source father
● Household
· direct · ~0.92
This person
Anchor record
Gilbert Johnson
Son · 1940 · age 30 · b. ~1910 · Minnesota
★ You are viewing this record
Sibling
Mabel Johnson
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Johnson
Sibling · 1940 · age 32
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
39 people indexed on this census page (nara:1940:m-t0627-01974-00490)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Laverne Gustafson | 15 | Daughter | — | Minnesota |
| 2 | Alvin Johnson | 59 | Head | — | Sweden |
| 3 | Alice Johnson | 32 | Daughter | Receptionist | Minnesota |
| 4 | Gilbert Johnson THIS PERSON | 30 | Son | Tool Maker | Minnesota |
| 5 | Mabel Johnson | 28 | Daughter | Receptionist | Minnesota |
| 7 | Victor Motel | 49 | Head | Operator-Clerk | Poland |
| 8 | Catherine Motel | 48 | Wife | Operator-Clerk | Minnesota |
| 9 | John Randall | 24 | Head | Janitor Work | Minnesota |
| 10 | Leone Randall | 24 | Wife | — | Minnesota |
| 11 | Gustav Ronnquist | 75 | Head | — | Sweden |
| 12 | Mable Ronnquist | 42 | Daughter | Bookkeeper | Minnesota |
| 13 | Gustav Adolf Rakowsky | 70 | Head | Watchman | Wisconsin |
| 14 | Anna Louise Rakowsky | 64 | Wife | — | Sweden |
| 15 | Alfred Johnson | 38 | Head | Shipping Clerk | Sweden |
| 16 | Hilda Johnson | 34 | Wife | — | Minnesota |
| 17 | Sherman Wallace | 35 | Head | Iron Worker | Minnesota |
| 18 | Lucille Wallace | 39 | Wife | — | Wisconsin |
| 19 | Evelyn Lucille Wallace | 12 | Daughter | — | Minnesota |
| 20 | Oscar L. Larson | 49 | Head | Salesman | Minnesota |
| 21 | Elsie Larson | 43 | Wife | — | Minnesota |
| 22 | Willard Larson | 21 | Son | Ass'T Time Keeper | Minnesota |
| 23 | Gordon Larson | 17 | Son | — | Minnesota |
| 24 | Delbert Larson | 10 | Son | — | Minnesota |
| 25 | Marie Larson | 9 | Daughter | — | Minnesota |
| 26 | Roy Nylund | 25 | Head | Kettle Man | Minnesota |
| 27 | Helga Nylund | 23 | Wife | — | Minnesota |
| 28 | Ronald Nylund | 3 | Son | — | Minnesota |
| 29 | Oscar Anderson | 63 | Head | — | Sweden |
| 30 | Hannah P. Anderson | 66 | Wife | — | Sweden |
| 31 | Hildur Virrilius | 38 | Daughter | — | Minnesota |
| 32 | Oscar Virrilius | 40 | Son-in-law | Fence Post Maker | Michigan |
| 33 | Edward Dennett | 68 | Head | Foreman | Canada-Eng |
| 34 | Jenny Dennett | 68 | Wife | — | Canada-Eng |
| 35 | Clara J. Dennett | 41 | Daughter | Public Health Nurse | Maine |
| 36 | Charles W. Harris | 37 | Nephew | Black Stow Baler | Canada-Eng |
| 37 | Henry Jacobson | 74 | Head | — | Denmark |
| 38 | Carrie Jacobson | 76 | Wife | — | Denmark |
| 39 | Theresa Jacobson | 46 | Daughter | Bookkeeper | Minnesota |
| 40 | Leroy E. Brotherton | 20 | Head | Apprentice-Elect. | Minnesota |
Related Census Records
Pedigree Summary
Gilbert + 2 siblings
Gen 1 · 7 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)