BJ
Bertha Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Dunn, Wisconsin
Our Model Tree links this Bertha Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Dunn, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 3-person household.
Age 52
b. ~1878
Female
Head
Born: Norway
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Dunn, Wisconsin |
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Widowed |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1884 |
| Age at First Marriage | 29 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Additional Details | |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | R |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Occupation | Farmer |
| Township / Ward | Lucas Township |
| Est. Birth Year | ~1878 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Ruth Johnson | Daughter | — | 21 | ~1909 |
| Bertha Johnson | Head | — | 52 | ~1878 |
| Clarence Johnson | Son | — | 25 | ~1905 |
Census Appearances
1910
Dunn, Wisconsin
Spouse, age 32
Dunn, Wisconsin · implied b. ~1878 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Norway |
| Years Married | 3 |
| Children Born | 1 |
| Children Living | 1 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1920
Dunn, Wisconsin
Spouse, age 42
Dunn, Wisconsin · implied b. ~1878 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1930
Dunn, Wisconsin
Head, age 52
Dunn, Wisconsin · implied b. ~1878 — 3 household members
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Widowed |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1884 |
| Age at First Marriage | 29 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | R |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Dunn-County, Wisconsin
Other, age 62
Dunn-County, Wisconsin · implied b. ~1878 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Mother in law |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Norway |
| 1935 Residence (City) | Lucas |
| 1935 Residence (County) | Dunn |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | H 6 |
| 1935 Residence | Same house |
| 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 Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha Johnson
Head · 1930 · age 52 · b. ~1878 · Wisconsin
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Dunn, Wisconsin
Open full size
1930 US Federal Census — Dunn, Wisconsin
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2571unit:0181)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Bertha Johnson THIS PERSON | 52 | Head | Farmer | Norway |
| 52 | Ruth G Johnson | 21 | Daughter | None | Wisconsin |
| 53 | Clarence Johnson | 25 | Son | Laborer | Wisconsin |
| 54 | Philip Mattison | 31 | Head | Farmer | Wisconsin |
| 55 | Ragna Mattison | 33 | Wife | None | Wisconsin |
| 56 | Irvin P Mattison | 6 | Son | None | Wisconsin |
| 57 | Marilyn E Mattison | 3 | Daughter | None | Wisconsin |
| 58 | Charles Brehm | 70 | Head | Farmer | Wisconsin |
| 59 | Lucy M Brehm | 53 | Wife | None | Wisconsin |
| 60 | Evelyn L Brehm | 18 | Daughter | None | Wisconsin |
| 61 | Joseph Brehm | 40 | Son | Laborer | Wisconsin |
| 62 | Ross J Frieburg | 35 | Head | Farmer | Illinois |
| 63 | Ethel P Frieburg | 27 | Wife | None | Minnesota |
| 64 | William Petrie | 36 | Head | Farmer | Wisconsin |
| 65 | Laura H Petrie | 21 | Wife | None | Iowa |
| 66 | Ross C Petrie | 48 | Head | Farmer | Wisconsin |
| 67 | Elinor A Petrie | 39 | Wife | None | Minnesota |
| 68 | Henry Plaster | 15 | Hired man | Laborer | Minnesota |
| 69 | John D Owens | 42 | Head | Salesman | Maine |
| 70 | Mabel E Owens | 34 | Wife | None | Wisconsin |
| 71 | Delmar L Owens | 15 | Son | None | Wisconsin |
| 72 | Richard A Owens | 13 | Son | None | Wisconsin |
| 73 | Lloyd V Owens | 11 | Son | None | Wisconsin |
| 74 | Ardis M Owens | 9 | Daughter | None | Wisconsin |
| 75 | Harold B Owens | 3 | Son | None | Wisconsin |
| 76 | Joy L Owens | 0 | Son | None | Wisconsin |
| 77 | Ludwig Blagen | 31 | Head | Farmer | Wisconsin |
| 78 | Eva J Blagen | 21 | Wife | None | Wisconsin |
| 79 | Laurene E Blagen | 2 | Daughter | None | Wisconsin |
| 80 | Bernice J Blagen | 1 | Daughter | None | Wisconsin |
| 81 | Bonnie E Blagen | 0 | Son | None | Wisconsin |
| 82 | Frederick Brehm | 42 | Head | Farmer | Wisconsin |
| 83 | Viola E Brehm | 14 | Daughter | None | Wisconsin |
| 84 | Acil I Brehm | 17 | Son | None | Wisconsin |
| 85 | Virgil M Brehm | 15 | Son | None | Wisconsin |
| 86 | Guy E Morgan | 42 | Head | Farmer | Wisconsin |
| 87 | Ethel J Morgan | 35 | Wife | None | Iowa |
| 88 | Ruby E Morgan | 16 | Daughter | None | Wisconsin |
| 89 | James R Morgan | 12 | Son | None | Wisconsin |
| 90 | Clifford E Morgan | 6 | Son | None | Wisconsin |
| 91 | Albert H Morgan | 5 | Son | None | Wisconsin |
| 92 | Ben R Husby | 43 | Head | Farmer | Wisconsin |
| 93 | Kate M Husby | 37 | Wife | None | Wisconsin |
| 94 | Laurence G Husby | 14 | Son | None | Wisconsin |
| 95 | Frances E Husby | 11 | Son | None | Wisconsin |
| 96 | Eugene J Husby | 9 | Son | None | Wisconsin |
| 97 | Richard J Husby | 6 | Son | None | Wisconsin |
| 98 | Herbert J Husby | 3 | Son | None | Wisconsin |
| 99 | Ed L Quilling | 45 | Head | Farmer | Wisconsin |
| 100 | Rose H Quilling | 31 | Wife | None | Wisconsin |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)