CP
Carl Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Iron-County, Michigan
Our Model Tree links this Carl Peterson across the 1920, 1930 and 1940 US Censuses in Iron-County, Michigan (XGBoost, ~Confirmed), with identified parents Gust & Carl — first a son (b.~1910), then head of a 6-person household.
Age 30
b. ~1910
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Iron-County, Michigan |
| Surname | Peterson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Crystal Falls city |
| 1935 Residence (County) | Iron |
| Additional Details | |
| Occupation | Laborer |
| Industry | Road Construction |
| Class of Worker | PW |
| Hours Worked | 108 |
| Income (1939) | 460 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Laborer |
| Township / Ward | Crystal Falls City |
| Est. Birth Year | ~1910 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Carl | Age | Birth yr |
|---|---|---|---|---|
| Edith Johnson | Daughter | — | 38 | ~1902 |
| Dorothy Johnson | Daughter | — | 11 | ~1929 |
| Albert Peterson | Head | — | 69 | ~1871 |
| Andrew Peterson | Son | — | 37 | ~1903 |
| Carl Peterson | Son | — | 30 | ~1910 |
| Elmer Peterson | Son | — | 35 | ~1905 |
Census Appearances
1920
Iron, Michigan
Son, age 12
Iron, Michigan · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Iron, Michigan
Son, age 22
Iron, Michigan · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Occupation | Laborer |
| Industry | R.R. Section |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Iron-County, Michigan
Son, age 30
Iron-County, Michigan · implied b. ~1910 — 6 household members
| Surname | Peterson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Crystal Falls city |
| 1935 Residence (County) | Iron |
| Occupation | Laborer |
| Industry | Road Construction |
| Class of Worker | PW |
| Hours Worked | 108 |
| Income (1939) | 460 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Carl Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Gust Peterson (~0.92 confidence) and father Carl Peterson (~0.92 confidence) and father Albert Peterson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Gust Peterson
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Carl Peterson
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Albert Peterson
b. ~1871
Source father
● Household
· direct · ~0.92
This person
Anchor record
Carl Peterson
Son · 1940 · age 30 · b. ~1910 · Michigan
★ You are viewing this record
Sibling
Andrew Peterson
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Johnson
Sibling · 1940 · age 38
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Johnson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Peterson
Sibling · 1940 · age 35
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 — Iron-County, Michigan
Open full size
1940 US Federal Census — Iron-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01765-00324)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wallace Haap | 27 | Head | Lumberjack | Michigan |
| 2 | Irene Haap | 24 | Wife | — | Michigan |
| 3 | Dorothy Haap | 2 | Daughter | — | Michigan |
| 4 | Edward West | 35 | Head | Attendant | Michigan |
| 5 | June E. West | 34 | Wife | — | Michigan |
| 6 | Shirley West | 10 | Daughter | — | Michigan |
| 7 | Neil West | 4 | Son | — | Michigan |
| 8 | Matt Lundquist | 55 | Father-in-law | Laborer | Finland |
| 9 | Laurie Hall | 27 | Brother-in-law | Lumberjack | Michigan |
| 10 | Sophie Rosenlund | 65 | Head | — | Finland |
| 11 | Forest William Rosenlund | 23 | Son | Laborer | Michigan |
| 12 | Albert Peterson | 69 | Head | — | Michigan |
| 13 | Andrew Peterson | 37 | Son | Laborer | Michigan |
| 14 | Carl Peterson THIS PERSON | 30 | Son | Laborer | Michigan |
| 15 | Elmer Peterson | 35 | Son | — | Michigan |
| 16 | Edith D. Johnson | 38 | Daughter | — | Michigan |
| 17 | Dorothy Johnson | 11 | Daughter | — | Tennessee |
| 18 | Rose Rondos | 53 | Head | — | Italy |
| 19 | Carmella Rondos | 21 | Daughter | Stenographer | Michigan |
| 20 | Hazel Rondos | 20 | Daughter | — | Michigan |
| 21 | Mary Emma Rondos | 11 | Daughter | — | Michigan |
| 22 | John Pedragon | 22 | Head | — | Italy |
| 23 | Josephine Bouchard | 66 | Head | — | Canada French |
| 24 | David Carlson | 29 | Head | Body Mechanic | Colorado |
| 25 | Agnes Carlson | 27 | Wife | — | Michigan |
| 26 | David Lee Carlson | 3 | Son | — | Michigan |
| 27 | Henry Junkari | 57 | Head | Foreman | Finland |
| 28 | Ellen Junkari | 50 | Wife | — | Michigan |
| 29 | Charles Henry Junkari | 22 | Son | New Worker | Michigan |
| 30 | Elizabeth Jarvi | 66 | Head | — | Finland |
| 31 | Walter Jarvi | 36 | Son | Blacksmith | Michigan |
| 32 | Arvid Jarvi | 21 | Son | Section Hand | Michigan |
| 33 | William Jarvi | 23 | Son | Janitor | Michigan |
| 34 | Thias Niemi | 24 | Head | Attendant | Michigan |
| 35 | Margaret Niemi | 23 | Wife | — | Michigan |
| 36 | Muriel Niemi | 0 | Daughter | — | Michigan |
| 37 | Elizabeth Niemi | 55 | Head | — | Finland |
| 38 | Carrie Niemi | 26 | Daughter | Saleslady | Michigan |
| 39 | Helen Niemi | 23 | Daughter | Saleslady | Michigan |
| 40 | Franklin Niemi | 18 | Son | — | Michigan |
Pedigree Summary
Carl + 4 siblings
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)