CP
Clarence Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Deer-Lodge-County, Montana
Our Model Tree links this Clarence Peterson across the 1920, 1930 and 1940 US Censuses in Deer-Lodge-County, Montana (XGBoost, ~Confirmed), with identified parents Signa & Claus — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Montana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Deer-Lodge-County, Montana |
| Surname | Peterson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Anaconda City |
| 1935 Residence (County) | Deer Lodge |
| Additional Details | |
| Occupation | Clerk |
| Industry | Dry Goods Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1255 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Occupation | Clerk |
| Township / Ward | Anaconda City |
| Est. Birth Year | ~1918 |
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 Clarence | Age | Birth yr |
|---|---|---|---|---|
| Clarence Peterson | Son | — | 22 | ~1918 |
| Claude Peterson | Son | — | 25 | ~1915 |
| Signa Peterson | Head | — | 60 | ~1880 |
| Ernest Peterson | Son | — | 18 | ~1922 |
Census Appearances
1920
Deer Lodge, …
Son, age 1
Deer Lodge, Montana · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Clarence |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1930
Deer Lodge, …
Son, age 12
Deer Lodge, Montana · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Clarence L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Deer-Lodge-County, Montana
Son, age 22
Deer-Lodge-County, Montana · implied b. ~1918 — 4 household members
| Surname | Peterson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Anaconda City |
| 1935 Residence (County) | Deer Lodge |
| Occupation | Clerk |
| Industry | Dry Goods Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1255 |
| 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 Clarence Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Signa Peterson (~0.92 confidence) and father Claus Peterson (~0.92 confidence) and mother Diana Peterson (~0.92 confidence) and mother Signe Peterson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Signa Peterson
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
Claus Peterson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Diana Peterson
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Signe Peterson
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Peterson
Son · 1940 · age 22 · b. ~1918 · Montana
★ You are viewing this record
Sibling
Ernest Peterson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claude Peterson
Sibling · 1940 · age 25
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
40 people indexed on this census page (nara:1940:m-t0627-02217-00623)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Verona Rankin | 43 | Head | Seamstress | Canada |
| 2 | Eva Stagg | 46 | Head | Proprietor | Montana |
| 3 | Margaret Stagg | 17 | Daughter | — | Montana |
| 4 | Nibbe Elizabeth H Stagg | 62 | M-in-law | — | Ohio |
| 5 | Margaret Morse | 72 | Head | Real Estate | England |
| 6 | Ward L Breneman | 55 | Head | Carrier | Montana |
| 7 | Maude Breneman | 57 | Wife | — | Indiana |
| 8 | Cleo I Hicks | 31 | Head | Cook | Illinois |
| 9 | Margaret Hicks | 27 | Wife | Waitress | Texas |
| 10 | Charles Hicks | 7 | Son | — | Oklahoma |
| 11 | Gary Hicks | 4 | Son | — | Oklahoma |
| 12 | John Nick | 67 | Head | Tailor | Finland |
| 13 | Signa Peterson | 60 | Head | Janitress | Sweden |
| 14 | Claude Peterson | 25 | Son | Clerk | Montana |
| 15 | Clarence Peterson THIS PERSON | 22 | Son | Clerk | Montana |
| 16 | Ernest Peterson | 18 | Son | — | Montana |
| 17 | Ben Harrison Poston | 51 | Head | W.P.A | Kansas |
| 18 | Anne Poston | 48 | Wife | — | Pennsylvania |
| 19 | Herbert Poston | 20 | Son | — | Missouri |
| 20 | Alice Poston | 16 | Daughter | — | Missouri |
| 21 | Mae Poston | 14 | Daughter | — | Missouri |
| 22 | George Poston | 16 | Son | — | Missouri |
| 23 | Theodore Poston | 10 | Son | — | Missouri |
| 24 | John Poston | 8 | Son | — | Montana |
| 25 | Guy L Cruchelow | 34 | Head | Repair Helper | Missouri |
| 26 | Glen Willis Simkins | 27 | Head | Bartender | Montana |
| 27 | Betty Simkins | 26 | Wife | — | Montana |
| 28 | Ashley W Kurty | 43 | Head | Machinist Helper | Oregon |
| 29 | Pansy Mae Kurty | 33 | Wife | — | Montana |
| 30 | Dorothy Mae Kurty | 17 | Daughter | — | Montana |
| 31 | Shirley L Kurty | 13 | Daughter | — | Montana |
| 32 | Albert P Smith | 43 | Head | Machinist | Nevada |
| 33 | William A Smith | 38 | Brother | — | Montana |
| 34 | Richard J Richardson | 39 | Head | Musician | Washington |
| 35 | Margerie Richardson | 30 | Wife | — | Washington |
| 36 | Margerie Richardson | 1 | Daughter | — | Washington |
| 37 | Georgie Williams | 41 | M-in-law | — | Washington |
| 38 | James J D'Arcy | 57 | Head | Assistant Vender | Illinois |
| 39 | Julia D'Arcy | 55 | Wife | — | Michigan |
| 40 | Jane D'Arcy | 27 | Daughter | Stenographer | Montana |
Pedigree Summary
Clarence + 2 siblings
Gen 1 · 4 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)