BP
Bertha Peterson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Pierce, Washington
Our Model Tree links this Bertha Peterson across the 1920, 1930 and 1940 US Censuses in Pierce, Washington (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 3-person household.
Age 29
b. ~1891
Female
Spouse
Born: Minnesota
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Pierce, Washington |
| Surname | Peterson |
| Given Name | Bertha A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Breckon Precinct |
| Est. Birth Year | ~1891 |
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 1920 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Bertha Peterson | Spouse | — | 29 | ~1891 |
| Raymond Peterson | Son | — | 1 | ~1919 |
| John Peterson | Head | — | 39 | ~1881 |
Census Appearances
1920
Pierce, Washington
Spouse, age 29
Pierce, Washington · implied b. ~1891 — 3 household members
| Surname | Peterson |
| Given Name | Bertha A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Pierce, Washington
Spouse, age 39
Pierce, Washington · implied b. ~1891 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 24 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Pierce-County, Washington
Spouse, age 49
Pierce-County, Washington · implied b. ~1891 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Bertha |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Brook Precinct |
| 1935 Residence (County) | Pierce |
| Highest Grade | No 8 |
| 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 Bertha Peterson 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 Peterson
Spouse · 1920 · age 29 · b. ~1891 · Washington
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Pierce, Washington
Open full size
1920 US Federal Census — Pierce, Washington
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1935unit:0563)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred Kupper | 44 | Head | Farmer | Oregon |
| 2 | Bessie Kupper | 35 | Wife | — | Washington |
| 3 | Mary E. Kupper | 13 | Daughter | — | Washington |
| 4 | Fred J. Kupper | 11 | Son | — | Washington |
| 5 | Paul L. Kupper | 10 | Son | — | Washington |
| 6 | Louis Kupper | 40 | Brother | Laborer | Washington |
| 7 | George A. Fowler | 79 | Boarder | Teamster | Washington |
| 8 | Oliver C. Lindsley | 43 | Head | Laborer | Kansas |
| 9 | Lillie Lindsley | 41 | Wife | — | Utah |
| 10 | Edith L. Lindsley | 13 | Daughter | — | Washington |
| 11 | Ester E. Lindsley | 11 | Daughter | — | Washington |
| 12 | Irene Lindsley | 3 | Daughter | — | Washington |
| 13 | Fred Vasse | 37 | Boarder | Contractor | America |
| 14 | Royal W. White | 65 | Head | Farmer | Canada |
| 15 | Anna White | 63 | Wife | — | Canada |
| 16 | Richard K. White | 32 | Son | Mechanic | South Dakota |
| 17 | Evelyn M. White | 4 | Granddaughter | — | Oregon |
| 18 | Leroy Jordan | 32 | Boarder | Laborer | Iowa |
| 19 | John Lorenson | 50 | Head | Laborer | Denmark |
| 20 | Bessie Lorenson | 37 | Wife | — | Denmark |
| 21 | Agnes B. Lorenson | 14 | Daughter | — | Washington |
| 22 | Hilmer P. Andrain | 40 | Head | Farmer | Sweden |
| 23 | Ida M. Andrain | 35 | Wife | — | Minnesota |
| 24 | Virginia M. Andrain | 4 | Daughter | — | Washington |
| 25 | August Pinette | 67 | Head | Farmer | Canada |
| 26 | Sarah A. Pinette | 66 | Wife | — | Canada |
| 27 | Martin Virgilio | 7 | Boarder | — | Washington |
| 28 | David Virgilio | 6 | Boarder | — | Washington |
| 29 | Daniel Virgilio | 5 | Boarder | — | Washington |
| 30 | Elizabeth Holmes | 78 | Head | Farmer | Canada |
| 31 | Jessie D. Holmes | 40 | Daughter | Farmer | Canada |
| 32 | Pete Knudsen | 32 | Head | Fisherman | Norway |
| 33 | Anna M. Knudsen | 36 | Wife | — | Norway |
| 34 | Margaret C. Knudsen | 6 | Daughter | — | Washington |
| 35 | Bertha C. Knudsen | 5 | Daughter | — | Washington |
| 36 | Henry J. Knudsen | 4 | Son | — | Washington |
| 37 | Samuel R. Westlake | 51 | Head | Lineman | England |
| 38 | Bessie B. Westlake | 46 | Wife | — | Indiana |
| 39 | Dorothy Westlake | 4 | Granddaughter | — | Washington |
| 40 | George H. Westlake | 59 | Head | Laborer | England |
| 41 | Mary W. Westlake | 55 | Wife | — | England |
| 42 | John C. Peterson | 39 | Head | Laborer | Norway |
| 43 | Bertha A. Peterson THIS PERSON | 29 | Wife | — | Minnesota |
| 44 | Raymond C. Peterson | 1 | Son | — | Washington |
| 45 | Gilbert W. Root | 62 | Head | Cook | Wisconsin |
| 46 | Emma E. Root | 60 | Wife | — | Wisconsin |
| 47 | Arthur W. Root | 33 | Son | Waiter | Wisconsin |
| 48 | Chester W. Root | 23 | Son | Waiter | Wisconsin |
| 49 | Helen A. Sullivan | 28 | Daughter | — | Wisconsin |
| 50 | Thomas K. Sullivan | 2 | Grandson | — | Idaho |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)