EP
Elmer Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Douglas-County, Wisconsin
Our Model Tree links this Elmer Peterson across the 1930 and 1940 US Censuses in Douglas-County, Wisconsin (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 20-person household.
Age 11
b. ~1929
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Douglas-County, Wisconsin |
| Surname | Peterson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Superior |
| 1935 Residence (County) | Douglas |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same House |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Superior |
| Est. Birth Year | ~1929 |
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.
20 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Elmer | Age | Birth yr |
|---|---|---|---|---|
| Clarence Thorne | Other | — | 43 | ~1897 |
| Milo Lane | Son | — | 18 | ~1922 |
| Lois Peterson | Daughter | — | 14 | ~1926 |
| Jerome Johnson | Son | — | 12 | ~1928 |
| Thomas Johnson | Son | — | 9 | ~1931 |
| Hugh Johnson | Son | — | 5 | ~1935 |
| Theodore Leszczynski | Son | — | 17 | ~1923 |
| Casimir Leszczynski | Son | — | 21 | ~1919 |
| Anita Johnson | Daughter | — | 13 | ~1927 |
| Harold Johnson | Head | — | 41 | ~1899 |
| Irene Moran | Other | — | 22 | ~1918 |
| Leora Bradshaw | Daughter | — | 29 | ~1911 |
| Entered Thorne | Other | — | — | |
| Sherman Peterson | Son | — | 15 | ~1925 |
| Lillian Johnson | Spouse | — | 41 | ~1899 |
| Irving Peterson | Son | — | 5 | ~1935 |
| Entered Peterson | Other | — | — | |
| Elmer Peterson | Son | — | 11 | ~1929 |
| Mary Stewart | Daughter | — | 23 | ~1917 |
| Harold Numminen | Son | — | 17 | ~1923 |
Census Appearances
1930
Douglas, Wisconsin
Son, age 1
Douglas, Wisconsin · implied b. ~1929 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Norway |
| Mother's Birthplace | Minnesota |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Douglas-County, Wisconsin
Son, age 11
Douglas-County, Wisconsin · implied b. ~1929 — 20 household members
| Surname | Peterson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Superior |
| 1935 Residence (County) | Douglas |
| Highest Grade | 4 |
| 1935 Residence | Same House |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Elmer Peterson
Son · 1940 · age 11 · b. ~1929 · Wisconsin
★ You are viewing this record
Sibling
Irving Peterson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leora Bradshaw
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Milo Lane
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Numminen
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Peterson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Stewart
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Casimir Leszczynski
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Johnson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerome Johnson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anita Johnson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hugh Johnson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Leszczynski
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sherman Peterson
Sibling · 1940 · age 15
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 — Douglas-County, Wisconsin
Open full size
1940 US Federal Census — Douglas-County, Wisconsin
Page Contents
32 people indexed on this census page (nara:1940:m-t0627-04475-00823)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harold Johnson | 41 | Head | Labor | Wisconsin |
| 2 | Lillian Johnson | 41 | Wife | — | Minnesota |
| 3 | Anita Johnson | 13 | Daughter | — | Wisconsin |
| 4 | Jerome Johnson | 12 | Son | — | Wisconsin |
| 5 | Thomas Johnson | 9 | Son | — | Wisconsin |
| 6 | Hugh Johnson | 5 | Son | — | Wisconsin |
| 7 | Leora Bradshaw | 29 | Daughter | School Teacher | Minnesota |
| 8 | Harold Numminen | 17 | Son | — | Wisconsin |
| 9 | Milo Lane | 18 | Son | Truck Driver | Minnesota |
| 10 | Casimir Leszczynski | 21 | Son | Labor | Wisconsin |
| 11 | Theodore Leszczynski | 17 | Son | — | Wisconsin |
| 12 | Sherman Peterson | 15 | Son | — | Wisconsin |
| 13 | Lois Peterson | 14 | Daughter | — | Wisconsin |
| 14 | Elmer Peterson THIS PERSON | 11 | Son | — | Wisconsin |
| 15 | Irving Peterson | 5 | Son | — | Wisconsin |
| 16 | Entered By Office Peterson | None | — | — | — |
| 17 | Irene Marie Moran | 22 | Lodger | Register | Wisconsin |
| 18 | Mary Stewart | 23 | daughter | Teacher | Wisconsin |
| 19 | Clarence C. Thorne | 43 | brother | — | Montana |
| 20 | Entered By Office Thorne | None | — | — | — |
| 21 | Alf O. Osmundson | 74 | Head | — | Norway |
| 22 | Mary Osmundson | 74 | wife | — | Norway |
| 23 | Clarence Osmundson | 30 | Son | Carpenter | Wisconsin |
| 24 | Verna Osmundson | 32 | daughter | — | Wisconsin |
| 25 | Arthur Osmundson | 42 | Son | Proprietor | Wisconsin |
| 26 | Myrtle Osmundson | 40 | daughter-in-law | — | Wisconsin |
| 27 | Arthur Jr. Osmundson | 15 | grandson | — | Wisconsin |
| 28 | Carol Osmundson | 11 | daughter | — | Wisconsin |
| 29 | William Routh | 32 | Head | Laborer | Nebraska |
| 30 | Lucille Routh | 26 | Wife | — | Wisconsin |
| 31 | Edward Routh | 2 | Son | — | Wisconsin |
| 32 | Claudia Jean Routh | 0 | daughter | — | Wisconsin |
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)