EP
Elmer Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Douglas-County, Minnesota
Our Model Tree links this Elmer Peterson across the 1920, 1930 and 1940 US Censuses in Douglas-County, Minnesota (XGBoost, ~Confirmed), with identified parents J & Olive — first a head (b.~1891), then head of a 3-person household.
Age 49
b. ~1891
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Douglas-County, Minnesota |
| Surname | Peterson |
| Given Name | Elmer |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Ida township |
| 1935 Residence (County) | Douglas |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 20 |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farmer |
| Township / Ward | Ida Township |
| Est. Birth Year | ~1891 |
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 Elmer | Age | Birth yr |
|---|---|---|---|---|
| Elmer Peterson | Head | — | 49 | ~1891 |
| Jennie Peterson | Spouse | — | 45 | ~1895 |
| Evelyn Peterson | Daughter | — | 21 | ~1919 |
Census Appearances
1920
Douglas, Minnesota
Son, age 28
Douglas, Minnesota · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Douglas, Minnesota
Head, age 39
Douglas, Minnesota · implied b. ~1891 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Elmer A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 34 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | General Farming |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| Veteran | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Douglas-County, Minnesota
Head, age 49
Douglas-County, Minnesota · implied b. ~1891 — 3 household members
| Surname | Peterson |
| Given Name | Elmer |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Ida township |
| 1935 Residence (County) | Douglas |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 20 |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 J Peterson (~0.92 confidence) and mother Olive Peterson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
J Peterson
b. ~1856
Source father
● Household
· direct · ~0.92
Mother
Olive Peterson
b. ~1864
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elmer Peterson
Head · 1940 · age 49 · b. ~1891 · Minnesota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Douglas-County, Minnesota
Open full size
1940 US Federal Census — Douglas-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01919-00721)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ernest Myrin | 40 | Head | Farmer | Minnesota |
| 42 | Evelyn Myrin | 24 | Wife | — | Minnesota |
| 43 | Eugene Myrin | 10 | Son | — | Minnesota |
| 44 | Ethulwyn Myrin | 4 | Daughter | — | Minnesota |
| 45 | Charles Johnson | 69 | Head | Farmer | Sweden |
| 46 | Annie Johnson | 66 | Wife | — | Sweden |
| 47 | Dorothy Johnson | 23 | Daughter | — | Minnesota |
| 48 | Hilmer Johnson | 20 | Son | Farm Laborer | Minnesota |
| 49 | Elmer P. Lauderbahl | 39 | Head | Clergy Minister | Minnesota |
| 50 | Helen Lauderbahl | 31 | Wife | — | Minnesota |
| 51 | Paul Lauderbahl | 5 | Son | — | Minnesota |
| 52 | Faith Lauderbahl | 2 | Daughter | — | Minnesota |
| 53 | Carl Myrin | 34 | Head | Farmer | Minnesota |
| 54 | Vera Myrin | 34 | Wife | — | Minnesota |
| 55 | Arnold Klimek | 20 | Lodger | Farm Laborer | Minnesota |
| 56 | Elmer Carlson | 39 | Head | Farmer | Iowa |
| 57 | Alma Carlson | 37 | Wife | — | Minnesota |
| 58 | Donna Mae Carlson | 7 | Daughter | — | Minnesota |
| 59 | Gloria Ann Carlson | 5 | Daughter | — | Minnesota |
| 60 | Ole B. Myrin | 76 | Head | Farmer | Sweden |
| 61 | Anna Myrin | 67 | Wife | — | Sweden |
| 62 | Milton Myrin | 35 | Son | Farmer | Minnesota |
| 63 | Florence Myrin | 27 | Daughter | Servant | Minnesota |
| 64 | Harry Myrin | 38 | Head | Farmer | Minnesota |
| 65 | Mildred Myrin | 33 | Wife | — | Minnesota |
| 66 | Duane Myrin | 10 | Son | — | Minnesota |
| 67 | Charles Myrin | 4 | Son | — | Minnesota |
| 68 | Roger Myrin | 4 | Son | — | Minnesota |
| 69 | Axel Anderson | 53 | Head | Well Driller Carpenter | Minnesota |
| 70 | Elmer Peterson THIS PERSON | 49 | Head | Farmer | Minnesota |
| 71 | Jennie Peterson | 45 | Wife | — | Minnesota |
| 72 | Evelyn Peterson | 21 | Daughter | — | Minnesota |
| 73 | Frank Klimek | 52 | Head | Farmer | Minnesota |
| 74 | Elizabeth Klimek | 47 | Wife | — | Minnesota |
| 75 | Emmet Klimek | 18 | Son | — | Minnesota |
| 76 | Myron Klimek | 16 | Son | — | Minnesota |
| 77 | Edwin Klimek | 13 | Son | — | Minnesota |
| 78 | Betty Mae Klimek | 9 | Daughter | — | Minnesota |
| 79 | Enoch Dalquist | 57 | Head | Farmer | Sweden |
| 80 | Lydia Dalquist | 54 | Wife | — | Minnesota |
Pedigree Summary
Elmer
Gen 1 · 2 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)