BP
Bertha Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bear-Lake-County, Idaho
Our Model Tree links this Bertha Peterson across the 1920, 1930 and 1940 US Censuses in Bear-Lake-County, Idaho (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 4-person household.
Age 57
b. ~1883
Female
Spouse
Born: Idaho
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bear-Lake-County, Idaho |
| Surname | Peterson |
| Given Name | Bertha A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Idaho |
| 1935 Residence (City) | St Charles |
| 1935 Residence (County) | Bear Lake |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Township / Ward | St Charles |
| Est. Birth Year | ~1883 |
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 |
|---|---|---|---|---|
| Ilene Peterson | Daughter | — | 16 | ~1924 |
| Lois Peterson | Daughter | — | 8 | ~1932 |
| Bertha Peterson | Spouse | — | 57 | ~1883 |
| Alvin Peterson | Head | — | 60 | ~1880 |
Census Appearances
1920
Bear Lake, …
Spouse, age 36
Bear Lake, Idaho · implied b. ~1884 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Bertha M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Idaho |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1930
Bear Lake, …
Spouse, age 47
Bear Lake, Idaho · implied b. ~1883 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Bertha A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Idaho |
| Age at First Marriage | 21 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Utah |
| Can Read/Write | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Bear-Lake-County, Idaho
Spouse, age 57
Bear-Lake-County, Idaho · implied b. ~1883 — 4 household members
| Surname | Peterson |
| Given Name | Bertha A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Idaho |
| 1935 Residence (City) | St Charles |
| 1935 Residence (County) | Bear Lake |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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.
Show:
This person
Anchor record
Bertha Peterson
Spouse · 1940 · age 57 · b. ~1883 · Idaho
★ 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 — Bear-Lake-County, Idaho
Open full size
1940 US Federal Census — Bear-Lake-County, Idaho
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00738-00253)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elsie Sitra | 14 | Daughter | — | Idaho |
| 2 | Darlene Sitra | 10 | Daughter | — | Idaho |
| 3 | Nadine A. Sitra | 1 | Daughter | — | Idaho |
| 4 | Cleveland Stafford | 63 | Head | Farmer | Idaho |
| 5 | Beulah Stafford | 61 | Wife | — | Idaho |
| 6 | Max Stafford | 25 | Son | Laborer | Idaho |
| 7 | Alvin O. Peterson | 60 | Head | Farming | Idaho |
| 8 | Bertha A. Peterson THIS PERSON | 57 | Wife | — | Idaho |
| 9 | Ilene M. Peterson | 16 | Daughter | — | Idaho |
| 10 | Lois Ann Peterson | 8 | Daughter | — | Idaho |
| 11 | David M. Pugmire | 70 | Head | Farming | Idaho |
| 12 | Mina W. Pugmire | 60 | Wife | — | Idaho |
| 13 | John S. Handley | 52 | Head | — | Idaho |
| 14 | Wayne J. Stevens | 33 | Head | Cheese Maker | Utah |
| 15 | Kathrine S. Stevens | 24 | Wife | — | Utah |
| 16 | Jerry Stevens | 3 | Son | — | Idaho |
| 17 | Sandra Stevens | 0 | Daughter | — | Idaho |
| 18 | Josiah H. Clark | 62 | Head | Operator | Idaho |
| 19 | Vilo P. G. Harrup | 74 | Head | Farming | Denmark |
| 20 | Eliza C. Harrup | 73 | Wife | — | Idaho |
| 21 | Vilo Glen Harrup | 31 | Head | Farming | Idaho |
| 22 | Larriel Harrup | 22 | Wife | — | Idaho |
| 23 | Angela Lee Harrup | 1 | Daughter | — | Idaho |
| 24 | Surtell E. Pugmire | 38 | Head | Foreman | Idaho |
| 25 | Eliza C. Pugmire | 37 | Wife | — | Idaho |
| 26 | James Jr. Pugmire | 27 | Head | Farming | Idaho |
| 27 | Ada R. Pugmire | 21 | Wife | — | Utah |
| 28 | Johnnie Pugmire | 80 | Head | — | Sweden |
| 29 | Henry M. Pugmire | 52 | Head | Farming | Idaho |
| 30 | Grace E. Pugmire | 55 | Wife | — | Idaho |
| 31 | Mark G. Pugmire | 18 | Son | Farming | Idaho |
| 32 | Louis M. Pugmire | 16 | Son | — | Idaho |
| 33 | William C. Heli | 50 | Head | Farming | Idaho |
| 34 | Annie E. Heli | 48 | Wife | — | Idaho |
| 35 | William E. Jr. Heli | 17 | Son | — | Idaho |
| 36 | Clinton M. Heli | 14 | Son | — | Idaho |
| 37 | Sterling Heli | 12 | Son | — | Idaho |
| 38 | Ella M. Heli | 9 | Daughter | — | Idaho |
| 39 | Elijah C. Keetch | 75 | Head | Farming | Idaho |
| 40 | Annie P. Keetch | 72 | Wife | — | Idaho |
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)