HP
Henry Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Deer-Lodge-County, Montana
Our Model Tree links this Henry Peterson across the 1920, 1930 and 1940 US Censuses in Deer-Lodge-County, Montana (XGBoost, ~Confirmed), with identified parents Gunnar & Sylvia — first a son (b.~1920), then head of a 4-person household.
Age 20
b. ~1920
Male
Son
Born: Montana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Deer-Lodge-County, Montana |
| Surname | Peterson |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Anaconda City |
| 1935 Residence (County) | Deer Lodge |
| Additional Details | |
| Occupation | Painter |
| Industry | Paint Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 34 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Occupation | Painter |
| Township / Ward | Anaconda City |
| Est. Birth Year | ~1920 |
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 Henry | Age | Birth yr |
|---|---|---|---|---|
| Elvera Peterson | Daughter | — | 22 | ~1918 |
| Gunnar Peterson | Head | — | 45 | ~1895 |
| Henry Peterson | Son | — | 20 | ~1920 |
| Sylvia Peterson | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Deer Lodge, …
Son, age
Deer Lodge, Montana · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1930
Deer Lodge, …
Son, age 10
Deer Lodge, Montana · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Deer-Lodge-County, Montana
Son, age 20
Deer-Lodge-County, Montana · implied b. ~1920 — 4 household members
| Surname | Peterson |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Anaconda City |
| 1935 Residence (County) | Deer Lodge |
| Occupation | Painter |
| Industry | Paint Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 34 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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 Henry Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Gunnar Peterson (~0.92 confidence) and mother Sylvia Peterson (~0.92 confidence) and mother Sylvia Peterson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Gunnar Peterson
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Sylvia Peterson
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Sylvia Peterson
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Henry Peterson
Son · 1940 · age 20 · b. ~1920 · Montana
★ You are viewing this record
Sibling
Elvera Peterson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Deer-Lodge-County, Montana
Open full size
1940 US Federal Census — Deer-Lodge-County, Montana
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02217-00761)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Blaskovich | 17 | Son | — | Montana |
| 2 | Carl Blaskovich | 15 | Son | — | Montana |
| 3 | Anna Blaskovich | 12 | Daughter | — | Montana |
| 5 | Steve Hoher | 55 | Head | Labor | South Dakota |
| 6 | Clifford Staffanson | 30 | Head | Mechanic | Montana |
| 7 | Viola Staffanson | 30 | Wife | — | Montana |
| 8 | Dale Staffanson | 3 | Son | — | Montana |
| 9 | Doris Beck | 21 | Sister-in-law | Secretary | Montana |
| 10 | Gunnar Peterson | 45 | Head | Mechanic | Sweden |
| 11 | Sylvia Peterson | 43 | Wife | — | Sweden |
| 12 | Elvera Peterson | 22 | Daughter | Operator | Montana |
| 13 | Henry Peterson THIS PERSON | 20 | Son | Painter | Montana |
| 14 | Edward Cyr | 29 | Head | Stationary Engineer | Montana |
| 15 | Anne Cyr | 22 | Wife | — | Montana |
| 16 | Edward Jr. Cyr | 5 | Son | — | Montana |
| 17 | June Cyr | 3 | Daughter | — | Montana |
| 18 | John Cyr | 1 | Son | — | Montana |
| 19 | Donald Eddington | 44 | Head | Carpenter | Idaho |
| 20 | Elsie Eddington | 31 | Wife | — | Utah |
| 21 | Pauline Eddington | 11 | Daughter | — | Idaho |
| 22 | Beverly Eddington | 10 | Daughter | — | Utah |
| 23 | Evelyn Eddington | 8 | Daughter | — | Idaho |
| 24 | James Eddington | 6 | Son | — | Idaho |
| 25 | Bruce Eddington | 2 | Son | — | Montana |
| 26 | Harry Mcguire | 33 | Head | Zinc Operator | Idaho |
| 27 | Alice Mcguire | 29 | Wife | — | Montana |
| 28 | Ernest Mcguire | 25 | Brother | Zinc Operator | Montana |
| 29 | Charles Mcguire | 32 | Brother | Copper Operator | Montana |
| 30 | Steve Tane | 52 | Head | Laborer | Yugoslavia |
| 31 | Josephine Tane | 49 | Wife | — | Yugoslavia |
| 32 | Julia Tane | 17 | Daughter | Seamstress | Montana |
| 33 | Anne Tane | 16 | Daughter | Maid | Montana |
| 34 | Jean Tane | 15 | Daughter | — | Montana |
| 35 | Steve Jr. Tane | 13 | Son | — | Montana |
| 36 | Frances Tane | 11 | Daughter | — | Montana |
| 37 | Frank Tane | 10 | Son | — | Montana |
| 38 | Mike Donohue | 46 | Head | Laborer | Ireland |
| 39 | Mary Donohue | 40 | Wife | — | Montana |
| 40 | Margaret Donohue | 19 | Daughter | Tray-Girl | Montana |
Pedigree Summary
Henry + 1 sibling
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)