BN
Bertha Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Watonwan-County, Minnesota
Our Model Tree links this Bertha Nelson across the 1920, 1930 and 1940 US Censuses in Watonwan-County, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 4-person household.
Age 61
b. ~1879
Female
Spouse
Born: Norway
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Watonwan-County, Minnesota |
| Surname | Nelson |
| Given Name | Bertha M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | St. James City |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Township / Ward | St James City |
| Est. Birth Year | ~1879 |
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 |
|---|---|---|---|---|
| George Nelson | Son | — | 29 | ~1911 |
| Arthur Nelson | Son | — | 31 | ~1909 |
| Andrew Nelson | Head | — | 70 | ~1870 |
| Bertha Nelson | Spouse | — | 61 | ~1879 |
Census Appearances
1920
Watonwan, Minnesota
Spouse, age 41
Watonwan, Minnesota · implied b. ~1879 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1897 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1930
Watonwan, Minnesota
Spouse, age 51
Watonwan, Minnesota · implied b. ~1879 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | First papers filed |
| Year of Immigration | 1885 |
| Age at First Marriage | 27 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Fancy Baking |
| Industry | At home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Watonwan-County, Minnesota
Spouse, age 61
Watonwan-County, Minnesota · implied b. ~1879 — 4 household members
| Surname | Nelson |
| Given Name | Bertha M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | St. James City |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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.
Show:
This person
Anchor record
Bertha Nelson
Spouse · 1940 · age 61 · b. ~1879 · Minnesota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Watonwan-County, Minnesota
Open full size
1940 US Federal Census — Watonwan-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01967-01089)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Holfrid J Johnson | 37 | Head | Auctioneer | Minnesota |
| 2 | Julia Johnson | 40 | Wife | — | Minnesota |
| 3 | Holfrid Johnson | 10 | Son | — | Minnesota |
| 4 | Joyce Johnson | 7 | Daughter | — | Minnesota |
| 5 | Carl Johnson | 4 | Son | — | Minnesota |
| 6 | Carolyn Johnson | 2 | Daughter | — | Minnesota |
| 7 | Andrew H Nelson | 70 | Head | — | Sweden |
| 8 | Bertha M Nelson THIS PERSON | 61 | Wife | — | Norway |
| 9 | Arthur L Nelson | 31 | Son | Cook And Restaurant | Minnesota |
| 10 | George W Nelson | 29 | Son | Laborer | Minnesota |
| 11 | Carl F Swenson | 43 | Head | Contractor | Minnesota |
| 12 | Effie B Swenson | 44 | Wife | — | Minnesota |
| 13 | Robert Swenson | 12 | Son | — | Minnesota |
| 14 | Ida M Nelson | 63 | Head | — | Sweden |
| 15 | Gerard Swenson | 45 | Head | Contractor | Minnesota |
| 16 | Beatrice Swenson | 38 | Wife | — | Minnesota |
| 17 | Clarence Ellingson | 39 | Head | Owner-Manager | Minnesota |
| 18 | Myrtle Ellingson | 29 | Wife | — | Minnesota |
| 19 | Clair Ellingson | 9 | Son | — | Minnesota |
| 20 | Merle Ellingson | 8 | Son | — | Minnesota |
| 21 | Annie Nelson | 54 | Maid | Housekeeper | Sweden |
| 22 | Julia Swenson | 67 | Head | — | Sweden |
| 23 | Claude Seal | 37 | Son-in-law | Bus Driver | Iowa |
| 24 | Edith Seal | 37 | Daughter | — | Minnesota |
| 25 | James Seal | 2 | Grandson | — | Minnesota |
| 26 | Carl A Elaine | 47 | Head | Motor Patrol Operator | Minnesota |
| 27 | Augusta B Elaine | 39 | Wife | — | Minnesota |
| 28 | Leon Elaine | 21 | Son | Farm Laborer | Minnesota |
| 29 | Patricia Elaine | 10 | Daughter | — | Minnesota |
| 30 | Virgil Peterson | 33 | Head | Section Hand | Minnesota |
| 31 | Thelma Peterson | 27 | Wife | — | Minnesota |
| 32 | Sid C Klotz | 37 | Head | Truck Driver | Iowa |
| 33 | Allie Klotz | 34 | Wife | — | Minnesota |
| 34 | Frederick Klotz | 9 | Son | — | Minnesota |
| 35 | Marius Freeman | 32 | Head | Painter | Iowa |
| 36 | Elsie Freeman | 28 | Wife | — | Sweden |
| 37 | Guy O Bigelow | 63 | Head | Locomotive Engineer | Connecticut |
| 38 | Georgia Bigelow | 59 | Wife | — | Minnesota |
| 39 | Donald Bigelow | 21 | Son | — | Minnesota |
| 40 | John Roberts | 29 | Head | Retail Hardware | 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)