BJ
Bertha Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kandiyohi-County, Minnesota
Our Model Tree links this Bertha Johnson across the 1920, 1930 and 1940 US Censuses in Kandiyohi-County, Minnesota (XGBoost, ~Confirmed), with identified parents Alfred & Alfred — first a daughter (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kandiyohi-County, Minnesota |
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Kandiyohi |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Gennessee |
| Est. Birth Year | ~1914 |
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 Bertha | Age | Birth yr |
|---|---|---|---|---|
| Bertha Johnson | Daughter | — | 26 | ~1914 |
| Alfred Johnson | Head | — | 54 | ~1886 |
| Glenn Johnson | Son | — | 18 | ~1922 |
| Hulda Johnson | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Kandiyohi, Minnesota
Daughter, age 5
Kandiyohi, Minnesota · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | No |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Kandiyohi, Minnesota
Daughter, age 16
Kandiyohi, Minnesota · implied b. ~1914 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Bertha A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Servant |
| Industry | Priv Home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Kandiyohi-County, Minnesota
Daughter, age 26
Kandiyohi-County, Minnesota · implied b. ~1914 — 4 household members
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Kandiyohi |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Minnesota |
| 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 Bertha Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alfred Johnson (~0.92 confidence) and father Alfred Johnson (~0.92 confidence) and father Alfred Johnson (~0.92 confidence) and mother Hulda Johnson (~0.92 confidence) and mother Hulda Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alfred Johnson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Alfred Johnson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Alfred Johnson
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Hulda Johnson
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Hulda Johnson
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Bertha Johnson
Daughter · 1940 · age 26 · b. ~1914 · Minnesota
★ You are viewing this record
Sibling
Glenn Johnson
Sibling · 1940 · age 18
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 — Kandiyohi-County, Minnesota
Open full size
1940 US Federal Census — Kandiyohi-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01930-00146)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Haldo Grotte | 57 | Head | Farm Laborer | Norway |
| 42 | George Swenson | 23 | Head | Farmer | Minnesota |
| 43 | Ruth Swenson | 20 | Wife | — | Minnesota |
| 44 | Clarence Zield | 25 | Hand | Farm Laborer | Minnesota |
| 45 | Elmer Stenberg | 56 | Head | Farmer | Iowa |
| 46 | Mary Stenberg | 39 | Wife | — | South Dakota |
| 47 | Edwin Stenberg | 10 | Son | — | Iowa |
| 48 | Ruth Stenberg | 7 | Daughter | — | Iowa |
| 49 | Tom Stenberg | 1 | Son | — | Minnesota |
| 50 | Lillian Powell | 20 | Daughter | Finisher | South Dakota |
| 51 | Arthur Dahlin | 46 | Head | Farmer | Minnesota |
| 52 | J. Harriet Dahlin | 25 | Wife | — | Minnesota |
| 53 | Joseph Dahlin | 3 | Son | — | Minnesota |
| 54 | Marie Dahlin | 2 | Daughter | — | Minnesota |
| 55 | Ada Dahlin | 0 | Daughter | — | Minnesota |
| 56 | Lloyd Mattson | 30 | Head | Farmer | Minnesota |
| 57 | Leone Mattson | 28 | Wife | — | Minnesota |
| 58 | Fred Corne | 51 | Head | Farmer | Iowa |
| 59 | Jennie Corne | 49 | Wife | — | Iowa |
| 60 | Walter V. Olson | 68 | Head | — | Sweden |
| 61 | Alma Olson | 60 | Sister | — | Sweden |
| 62 | Lambert Strandberg | 51 | Head | Farmer | Sweden |
| 63 | Minnie Strandberg | 51 | Wife | — | Minnesota |
| 64 | Glenn Strandberg | 22 | Son | Trapper, Farm Laborer | Minnesota |
| 65 | Joseph Parsons | 55 | Head | Farmer | New York |
| 66 | Fred Peterson | 48 | Head | Farmer | Minnesota |
| 67 | Claus Anderson | 41 | Head | Farmer | Denmark |
| 68 | Clara Anderson | 29 | Wife | — | South Dakota |
| 69 | Mavis Anderson | 8 | Daughter | — | Minnesota |
| 70 | Doyle Anderson | 6 | Son | — | Minnesota |
| 71 | Elade Anderson | 3 | Son | — | Minnesota |
| 72 | Janice Anderson | 2 | Daughter | — | Minnesota |
| 73 | E. Luther Anderson | 69 | Father | Laborer | Minnesota |
| 74 | Melvin Martinson | 45 | Head | Farmer | Minnesota |
| 75 | Alice Martinson | 36 | Wife | — | Minnesota |
| 76 | Olea Martinson | 4 | Daughter | — | Minnesota |
| 77 | Alfred Johnson | 54 | Head | Farmer | Sweden |
| 78 | Hulda C. Johnson | 49 | Wife | — | Sweden |
| 79 | Bertha Johnson THIS PERSON | 26 | Daughter | — | Minnesota |
| 80 | Glenn Johnson | 18 | Son | Farm Laborer | Minnesota |
Pedigree Summary
Bertha + 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)