EP
Elmer Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marquette-County, Michigan
Our Model Tree links this Elmer Peterson across the 1920, 1930 and 1940 US Censuses in Marquette-County, Michigan (XGBoost, ~Confirmed), with identified parents Martin & Olga — first a son (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marquette-County, Michigan |
| Surname | Peterson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | ISHPEMING |
| 1935 Residence (County) | MARQUETTE |
| Additional Details | |
| Occupation | Laborer |
| Industry | Cleaners |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 784 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Laborer |
| Township / Ward | Ishpeming |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Elmer | Age | Birth yr |
|---|---|---|---|---|
| Anna Peterson | Other | — | 15 | ~1925 |
| Rudolph Peterson | Son | — | 25 | ~1915 |
| Clinton Peterson | Son | — | 33 | ~1907 |
| Olga Peterson | Spouse | — | 55 | ~1885 |
| Martin Peterson | Head | — | 69 | ~1871 |
| Elmer Peterson | Son | — | 22 | ~1918 |
| Evangeline Peterson | Other | — | 21 | ~1919 |
Census Appearances
1920
Marquette, Michigan
Son, age 2
Marquette, Michigan · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Norway |
| Mother's Birthplace | Michigan |
| Mother Tongue | Norwegian |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Marquette, Michigan
Son, age 12
Marquette, Michigan · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Norway |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Marquette-County, Michigan
Son, age 22
Marquette-County, Michigan · implied b. ~1918 — 7 household members
| Surname | Peterson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | ISHPEMING |
| 1935 Residence (County) | MARQUETTE |
| Occupation | Laborer |
| Industry | Cleaners |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 784 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 Elmer Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Martin Peterson (~0.92 confidence) and mother Olga Peterson (~0.92 confidence) and mother Olga Peterson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Martin Peterson
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Olga Peterson
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Olga Peterson
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elmer Peterson
Son · 1940 · age 22 · b. ~1918 · Michigan
★ You are viewing this record
Sibling
Rudolph Peterson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clinton Peterson
Sibling · 1940 · age 33
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 — Marquette-County, Michigan
Open full size
1940 US Federal Census — Marquette-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01786-00244)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Doris Holmgren | 15 | Dau | — | Michigan |
| 42 | Althea Holmgren | 13 | Dau | — | Michigan |
| 43 | Edith Larson | 58 | Head | — | Michigan |
| 44 | Ronald B. Larson | 25 | Son | Laborer | Michigan |
| 45 | Grace Larson | 20 | Dau-in-law | — | Michigan |
| 46 | Ronald Larson | 2 | G-Son | — | Michigan |
| 47 | Martin Peterson | 69 | Head | — | Norway |
| 48 | Olga Peterson | 55 | Wife | — | Michigan |
| 49 | Clinton Peterson | 33 | Son | Laborer | Michigan |
| 50 | Rudolph Peterson | 25 | Son | Laborer | Michigan |
| 51 | Elmer Peterson THIS PERSON | 22 | Son | Laborer | Michigan |
| 52 | Evangeline Peterson | 21 | Dau | Machine Operator | Michigan |
| 53 | Anna Peterson | 15 | Dau | — | Michigan |
| 54 | George Sr. Gill | 53 | Head | Foreman | Michigan |
| 55 | Jane D. Gill | 49 | Wife | — | Michigan |
| 56 | George Jr. Gill | 20 | Son | — | Michigan |
| 57 | Gordon Gill | 12 | Son | — | Michigan |
| 58 | Maurice Knage | 39 | Head | Miner | Michigan |
| 59 | Edna Knage | 40 | Wife | — | Michigan |
| 60 | Alice Knage | 20 | Dau | Typist-Clerk | Michigan |
| 61 | Stuart Knage | 17 | Son | — | Michigan |
| 62 | Gust B. Holmgren | 69 | Head | Miner | Sweden |
| 63 | Anna Holmgren | 66 | Wife | Cutter | Michigan |
| 64 | Leslie Holmgren | 31 | Son | Laborer | Michigan |
| 65 | Roy Holmgren | 29 | Son | Miner | Michigan |
| 66 | Victor Carlson | 73 | Head | — | Sweden |
| 67 | Anna Carlson | 64 | Wife | — | Michigan |
| 68 | Edward Bennett | 50 | Head | Foreman | Michigan |
| 69 | Anna Bennett | 49 | Wife | — | Michigan |
| 70 | Clifford Bennett | 20 | Son | New Worker | Michigan |
| 71 | Richard Temin | 63 | Head | Engineer | Michigan |
| 72 | Hilda Temin | 59 | Wife | — | Michigan |
| 73 | Ulrick Ulrickson | 60 | Head | Laborer | Norway |
| 74 | Lydia Ulrickson | 52 | Wife | — | Michigan |
| 75 | George Ulrickson | 21 | Son | New Worker | Michigan |
| 76 | William F. Ulrickson | 19 | Son | New Worker | Michigan |
| 77 | Evelyn A. Ulrickson | 17 | Dau | — | Michigan |
| 78 | Louisa Quayee | 66 | Head | — | Isle of Man |
| 79 | William Quayee | 33 | Son | Clerk | Isle of Man |
| 80 | Gladys Quayee | 33 | Dau in Law | — | Michigan |
Pedigree Summary
Elmer + 2 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)