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Bertha Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mcpherson-County, Kansas
Our Model Tree links this Bertha Nelson across the 1920, 1930 and 1940 US Censuses in Mcpherson-County, Kansas (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 7-person household.
Age 40
b. ~1900
Female
Spouse
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mcpherson-County, Kansas |
| Surname | Nelson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Smoky Hill |
| 1935 Residence (County) | McPherson |
| Additional Details | |
| Industry | NP |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Smoky Hill |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Betty Nelson | Daughter | — | 12 | ~1928 |
| Warren Nelson | Son | — | 15 | ~1925 |
| John Nelson | Son | — | 12 | ~1928 |
| John Nelson | Head | — | 53 | ~1887 |
| Juanita Nelson | Daughter | — | 18 | ~1922 |
| Bertha Nelson | Spouse | — | 40 | ~1900 |
| Viola Johnson | Daughter | — | 18 | ~1922 |
Census Appearances
1920
Mcpherson, Kansas
Spouse, age 21
Mcpherson, Kansas · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Kansas |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Mcpherson, Kansas
Other, age 31
Mcpherson, Kansas · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Bertha M |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 19 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Mcpherson-County, Kansas
Spouse, age 40
Mcpherson-County, Kansas · implied b. ~1900 — 7 household members
| Surname | Nelson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Smoky Hill |
| 1935 Residence (County) | McPherson |
| Industry | NP |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Bertha Nelson
Spouse · 1940 · age 40 · b. ~1900 · Kansas
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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 — Mcpherson-County, Kansas
Open full size
1940 US Federal Census — Mcpherson-County, Kansas
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01243-00641)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | K. G. Tarnstrom | 59 | Head | Farmer | Kansas |
| 42 | Ida Tarnstrom | 60 | Wife | — | Minnesota |
| 43 | J. J. Morris | 66 | Head | Farmer | Kansas |
| 44 | Selma Morris | 55 | Wife | — | Kansas |
| 45 | J. Royal Morris | 23 | Son | New Worker | Kansas |
| 46 | W. B. Ferm | 42 | Head | Farmer | Illinois |
| 47 | Lillie Ferm | 39 | Wife | — | Missouri |
| 48 | Sandra Ferm | 15 | Son | — | Missouri |
| 49 | Ray Rae Ferm | 14 | Son | — | Kansas |
| 50 | Patricia Ferm | 12 | Daughter | — | Kansas |
| 51 | Jacqueline Ferm | 10 | Daughter | — | Kansas |
| 52 | Ernest Ferm | 9 | Son | — | Kansas |
| 53 | Karl Tockstrom | 37 | Head | Salesman | Kansas |
| 54 | Madge Tockstrom | 37 | Wife | — | Kansas |
| 55 | Lois Tockstrom | 13 | Daughter | — | Kansas |
| 56 | Shirley Tockstrom | 11 | Daughter | — | Kansas |
| 57 | Abel Carlson | 55 | Head | Farmer | Sweden |
| 58 | Ellen Carlson | 50 | Wife | — | Kansas |
| 59 | Homer Carlson | 22 | Son | Laborer | Kansas |
| 60 | Terence Carlson | 18 | Son | — | Kansas |
| 61 | Eunice Carlson | 15 | Daughter | — | Kansas |
| 62 | Johanna Broberg | 25 | Head | Farmer | Kansas |
| 63 | John Broberg | 76 | Father | — | Sweden |
| 64 | Oscar Lundblom | 45 | Head | Farmer | Sweden |
| 65 | Bertha Lundblom | 28 | Wife | — | Nebraska |
| 66 | John Lundblom | 6 | Son | — | Kansas |
| 67 | Franklin Lundblom | 4 | Son | — | Kansas |
| 68 | Gladys Lundblom | 5 | Daughter | — | Kansas |
| 69 | S. C. Johnson | 52 | Head | Farmer | Kansas |
| 70 | Minnie Johnson | 49 | Wife | — | Kansas |
| 71 | Leroy Johnson | 20 | Son | Farm Labor | Kansas |
| 72 | Howard Johnson | 21 | Son | Farm Labor | Kansas |
| 73 | John E. Nelson | 53 | Head | Farmer | Kansas |
| 74 | Bertha Nelson THIS PERSON | 40 | Wife | — | Kansas |
| 75 | Juanita Nelson | 18 | Daughter | Waitress | Kansas |
| 76 | Warren Nelson | 15 | Son | — | Kansas |
| 77 | John Nelson | 12 | Son | — | Kansas |
| 78 | Betty Nelson | 12 | Daughter | — | Kansas |
| 79 | Viola Johnson | 18 | Daughter | — | Kansas |
Related Census Records
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)