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William Erickson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Phillips-County, Montana
Our Model Tree links this William Erickson across the 1920, 1930 and 1940 US Censuses in Phillips-County, Montana (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Phillips-County, Montana |
| Surname | Erickson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | School District 28 |
| 1935 Residence (County) | Phillips |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | School District 28 |
| Est. Birth Year | ~1907 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Herbert Erickson | Son | — | 1 | ~1939 |
| Lillian Erickson | Daughter | — | 2 | ~1938 |
| Thelma Erickson | Spouse | — | 24 | ~1916 |
| William Erickson | Head | — | 33 | ~1907 |
Census Appearances
1920
Phillips, Montana
Son, age 13
Phillips, Montana · implied b. ~1907 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Erickson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Phillips, Montana
Son, age 23
Phillips, Montana · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Erikson |
| Given Name | William E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Norway |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Phillips-County, Montana
Head, age 33
Phillips-County, Montana · implied b. ~1907 — 4 household members
| Surname | Erickson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | School District 28 |
| 1935 Residence (County) | Phillips |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 William Erickson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Erikson (~0.92 confidence) and father John Erickson (~0.92 confidence) and mother Gerda Erickson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Erikson
b. ~1879
Source father
● Household
· direct · ~0.92
Father
John Erickson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Gerda Erickson
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Erickson
Head · 1940 · age 33 · b. ~1907 · Montana
★ 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 — Phillips-County, Montana
Open full size
1940 US Federal Census — Phillips-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02226-01081)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John S Bruckner | 40 | Head | Farmer | North Dakota |
| 42 | Raymond L Bruckner | 18 | Son | Farm Laborer | Montana |
| 43 | Harvey A Bruckner | 16 | Son | Farm Laborer | Montana |
| 44 | Lauren H Bruckner | 15 | Son | Farm Laborer | Montana |
| 45 | Ida M Bruckner | 12 | Daughter | — | Montana |
| 46 | Lois I Bruckner | 10 | Daughter | — | Montana |
| 47 | Everet A Bruckner | 7 | Son | — | Montana |
| 48 | Frances M Dolezal | 25 | Lodger | Teacher | Montana |
| 49 | Emil Akerland | 59 | Head | Farmer | Sweden |
| 50 | Florence Akerland | 47 | Wife | — | Massachusetts |
| 51 | Lillian Akerland | 18 | Daughter | — | Montana |
| 52 | Oliver Akerland | 14 | Son | — | Montana |
| 53 | Oscar Akerland | 57 | Brother | Farmer | Sweden |
| 54 | William Erickson THIS PERSON | 33 | Head | Farmer | Illinois |
| 55 | Thelma C Erickson | 24 | Wife | — | Illinois |
| 56 | Lillian M Erickson | 2 | Daughter | — | Montana |
| 57 | Herbert L Erickson | 1 | Son | — | Montana |
| 58 | Oscar Oha | 57 | Head | Farmer | Sweden |
| 59 | Lana Oha | 55 | Wife | — | Sweden |
| 60 | Gust Oha | 32 | Son | Farmer | Sweden |
| 61 | David Oha | 19 | Son | Farm Laborer | Montana |
| 62 | Dennis Oha | 17 | Son | Farm Laborer | Montana |
| 63 | Wallace Oha | 14 | Son | — | Montana |
| 64 | Ilene Oha | 12 | Daughter | — | Montana |
| 65 | Elsie Conner | 34 | Daughter | — | Sweden |
| 66 | Leon Conner | 10 | Grandson | — | Oregon |
| 67 | Kathleen Conner | 8 | Granddaughter | — | Washington |
| 68 | Ernest O Charlund | 64 | Head | Farmer | Sweden |
| 69 | Sofia Charlund | 62 | Wife | — | Sweden |
| 70 | Harold Charlund | 19 | Son | Farm Laborer | Montana |
| 71 | Linda Flory | 24 | Daughter | — | North Dakota |
| 72 | Ronald Flory | 2 | Grandson | — | Montana |
| 73 | Henry Lubbers | 57 | Head | Farmer | Minnesota |
| 74 | Crescentia Lubbers | 59 | Wife | — | Minnesota |
| 75 | Leo Lubbers | 16 | Son | Farm Laborer | Montana |
| 76 | Henry B Jernigan | 50 | Head | Farmer | Texas |
| 77 | William F Cunningham | 70 | Head | Herder | Illinois |
| 78 | Elma Cunningham | 33 | Wife | — | Illinois |
| 79 | William F Jr Cunningham | 10 | Son | — | Montana |
| 80 | End Of E.D. | None | — | — | — |
Pedigree Summary
William
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)