EP
Elmer Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Elmer Peterson across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1896), then head of a 7-person household.
Age 44
b. ~1896
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Peterson |
| Given Name | Elmer |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Braddock Boro |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 300 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Braddock Boro |
| Est. Birth Year | ~1896 |
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 |
|---|---|---|---|---|
| Elmer Peterson | Head | — | 44 | ~1896 |
| Frank Lechani | Other | — | 76 | ~1864 |
| Elmer Peterson | Son | — | 4 | ~1936 |
| Lucille Newlin | Daughter | — | 9 | ~1931 |
| Bukovac Peterson | Son | — | 19 | ~1921 |
| Mary Peterson | Spouse | — | 43 | ~1897 |
| Joan Peterson | Daughter | — | 7 | ~1933 |
Census Appearances
1920
Allegheny, Pennsylvania
Other, age 23
Allegheny, Pennsylvania · implied b. ~1897 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Elmer E. |
| Relationship to Head | Step-son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Tailor |
| Industry | Merchant Tailor |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 32
Allegheny, Pennsylvania · implied b. ~1898 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Elmer |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 27 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | Stone Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 33.00 |
| Radio Set | R |
| Veteran | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 44
Allegheny-County, Pennsylvania · implied b. ~1896 — 7 household members
| Surname | Peterson |
| Given Name | Elmer |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Braddock Boro |
| 1935 Residence (County) | Allegheny |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 300 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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.
Show:
This person
Anchor record
Elmer Peterson
Head · 1940 · age 44 · b. ~1896 · Pennsylvania
★ 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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03399-00036)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Brajas | 57 | Head | Repairman | Austria |
| 2 | Agnes Brajas | 54 | Wife | — | Pennsylvania |
| 3 | Helen Brajas | 22 | Daughter | Maid | Pennsylvania |
| 4 | Anna Brajas | 20 | Daughter | Day-Work | Pennsylvania |
| 5 | Josephine Brajas | 18 | Daughter | — | Pennsylvania |
| 6 | Barbara Brajas | 16 | Daughter | — | Pennsylvania |
| 7 | Mary Brajas | 14 | Daughter | — | Pennsylvania |
| 8 | Alice Brajas | 13 | Daughter | — | Pennsylvania |
| 9 | Madeline Brajas | 11 | Daughter | — | Pennsylvania |
| 10 | Patricia Brajas | 9 | Daughter | — | Pennsylvania |
| 11 | Stephanie Brajas | 6 | Daughter | — | Pennsylvania |
| 12 | Cassian Byzek | 57 | Head | Laborer | Austria |
| 13 | Helen Byzek | 43 | Wife | — | Austria |
| 14 | Valentine Byzek | 24 | Son | Worker | Pennsylvania |
| 15 | Max Konezia | 52 | Head | Laborer | Hungary |
| 16 | Helen Konezia | 53 | Wife | — | Hungary |
| 18 | Clifford Eagleson | 41 | Head | Inspector | Pennsylvania |
| 19 | Elizabeth Eagleson | 42 | Wife | — | Pennsylvania |
| 20 | Harry Garletti | 34 | Head | Tractor Operator | Pennsylvania |
| 21 | Caroline Garletti | 31 | Wife | — | England |
| 22 | Dorothy Garletti | 15 | Daughter | — | Pennsylvania |
| 23 | Harry Garletti | 14 | Son | — | Pennsylvania |
| 24 | Agnes Garletti | 12 | Daughter | — | Pennsylvania |
| 25 | Eugene Mcgowan | 33 | Head | Rigger | Pennsylvania |
| 26 | Mary Mcgowan | 37 | Wife | Checker | Pennsylvania |
| 27 | John Frost | 49 | Head | Master | Pennsylvania |
| 28 | Mary Frost | 44 | Wife | — | Pennsylvania |
| 29 | Joseph Rudman | 69 | Head | — | Austria |
| 30 | Johanna Rudman | 74 | Wife | — | Austria |
| 31 | Michael Rudman | 34 | Son | Clerk Typist | Pennsylvania |
| 32 | Elmer Peterson THIS PERSON | 44 | Head | Laborer | Pennsylvania |
| 33 | Mary Peterson | 43 | Wife | — | Pennsylvania |
| 34 | Bukovac Russell Peterson | 19 | Son | Truck Driver | Pennsylvania |
| 35 | Joan Peterson | 7 | Daughter | — | Pennsylvania |
| 36 | Elmer Peterson | 4 | Son | — | Pennsylvania |
| 37 | Frank Lechani | 76 | Lodger | — | Hungary |
| 38 | Lucille Newlin | 9 | Daughter | — | Pennsylvania |
| 39 | Michael Natz | 61 | Head | — | Hungary |
| 40 | Daniel Green | 34 | Head | Stationary Engineer | Pennsylvania |
Related Census Records
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)