AP
Alfred Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Houghton-County, Michigan
Our Model Tree links this Alfred Peterson across the 1920, 1930 and 1940 US Censuses in Houghton-County, Michigan (XGBoost, ~Confirmed), with identified parents Johanna — first a son (b.~1880), then head of a 3-person household.
Age 60
b. ~1880
Male
Son
Born: Norway
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Houghton-County, Michigan |
| Surname | Peterson |
| Given Name | Alfred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Single |
| Birthplace | Norway |
| 1935 Residence (City) | Calumet |
| 1935 Residence (County) | Houghton |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Miner |
| Industry | Copper Mine |
| Class of Worker | PW |
| Hours Worked | 15 |
| Income (1939) | 10 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Occupation | Miner |
| Township / Ward | Calumet |
| Est. Birth Year | ~1880 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alfred | Age | Birth yr |
|---|---|---|---|---|
| Johanna Peterson | Head | — | 80 | ~1860 |
| Alfred Peterson | Son | — | 60 | ~1880 |
| Lawrence Peterson | Son | — | 38 | ~1902 |
Census Appearances
1920
Wayne, Michigan
Other, age 39
Wayne, Michigan · implied b. ~1881 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Alfred |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Norway |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Factory Clerk |
| Industry | Auto Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Year of Naturalization | 1892 |
| Birthplace (normalized) | norway |
1930
Houghton, Michigan
Son, age 50
Houghton, Michigan · implied b. ~1880 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Alfred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Single |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1882 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Underground foreman |
| Industry | Copper mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Houghton-County, Michigan
Son, age 60
Houghton-County, Michigan · implied b. ~1880 — 3 household members
| Surname | Peterson |
| Given Name | Alfred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Single |
| Birthplace | Norway |
| 1935 Residence (City) | Calumet |
| 1935 Residence (County) | Houghton |
| Naturalization Status | Naturalized |
| Occupation | Miner |
| Industry | Copper Mine |
| Class of Worker | PW |
| Hours Worked | 15 |
| Income (1939) | 10 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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 Alfred Peterson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: mother Johanna Peterson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Johanna Peterson
b. ~1860
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alfred Peterson
Son · 1940 · age 60 · b. ~1880 · Michigan
★ You are viewing this record
Sibling
Lawrence Peterson
Sibling · 1940 · age 38
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 — Houghton-County, Michigan
Open full size
1940 US Federal Census — Houghton-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01756-00475)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Delores M. Sullivan | 14 | Daughter | — | Michigan |
| 42 | Loraine R. Sullivan | 12 | Daughter | — | Michigan |
| 43 | Paul W. Sullivan | 9 | Son | — | Michigan |
| 44 | David A. Sullivan | 7 | Son | — | Michigan |
| 45 | Rudolph F., Sr. Spelar | 42 | Head | Copper Imputer | Michigan |
| 46 | Lucille M. Spelar | 41 | Wife | — | Michigan |
| 47 | Rudolph J. Spelar | 17 | Son | — | Michigan |
| 48 | Leona B. Spelar | 15 | Daughter | — | Michigan |
| 49 | Edward W., Sr. Burgwinder | 28 | Head | Trammer | Michigan |
| 50 | Olive M. Burgwinder | 27 | Wife | — | Michigan |
| 51 | Francis A. Burgwinder | 7 | Son | — | Michigan |
| 52 | Charles E. Burgwinder | 3 | Son | — | Michigan |
| 53 | Bartho. La Frenier | 44 | Head | Seamstress | Michigan |
| 54 | Albert Ferrari | 48 | Head | — | Italy |
| 55 | Natale Lencioni | 47 | Son in law | Miner | Michigan |
| 56 | Mary Lencioni | 46 | Daughter | — | Michigan |
| 57 | Delphine Lencioni | 20 | Granddaughter | Sewing | Michigan |
| 58 | Angelo J. Lencioni | 18 | Grandson | New Worker | Michigan |
| 59 | Leontine J. Lencioni | 13 | Granddaughter | — | Michigan |
| 60 | Jenny M. Lencioni | 2 | Granddaughter | — | Michigan |
| 61 | Victor Giovannini | 44 | Head | Oiler | Michigan |
| 62 | Theresa Giovannini | 40 | Wife | — | Italy |
| 63 | Theresa Giovannini | 18 | Daughter | Clerk | Italy |
| 64 | Minni Giovannini | 17 | Daughter | Clerk | Michigan |
| 65 | Peter J. Hammes | 63 | Head | Captain Mine | Michigan |
| 66 | Mary Hammes | 61 | Wife | — | Canada English |
| 67 | Grace C. Hammes | 22 | Daughter | Teacher | Michigan |
| 68 | Johanna Peterson | 80 | Head | — | Norway |
| 69 | Alfred Peterson THIS PERSON | 60 | Son | Miner | Norway |
| 70 | Lawrence Peterson | 38 | Son | Labor | Michigan |
| 71 | Minnie S. Richards | 54 | Head | — | Michigan |
| 72 | Harold E. Richards | 28 | Son | Instructor | Michigan |
| 73 | Elmer E. Richards | 20 | Son | Janitor | Michigan |
| 74 | Walter S. Danielson | 49 | Lodger | — | Michigan |
| 75 | Jerome Labranche | 24 | Head | Labor | Michigan |
| 76 | Margaret Labranche | 28 | Wife | — | Michigan |
| 77 | Barbara Labranche | 0 | Daughter | — | Michigan |
| 78 | Edward Engebretson | 67 | Head | — | Norway |
| 79 | Catherine Engebretson | 63 | Wife | — | Michigan |
| 80 | Frank Gillet | 82 | Head | — | France |
Pedigree Summary
Alfred + 1 sibling
Gen 1 · 1 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)