EP
Elmer Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Indiana
Our Model Tree links this Elmer Peterson across the 1920, 1930 and 1940 US Censuses in Lake-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1893), then head of a 4-person household.
Age 47
b. ~1893
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Indiana |
| Surname | Peterson |
| Given Name | Elmer E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Hammond |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Occupation | Steam Fitter |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3350 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Steam Fitter |
| Township / Ward | Hammond |
| Est. Birth Year | ~1893 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Elmer | Age | Birth yr |
|---|---|---|---|---|
| William Peterson | Son | — | 17 | ~1923 |
| Elmer Peterson | Head | — | 47 | ~1893 |
| Kate Stizer | Other | — | 82 | ~1858 |
| Verna Peterson | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Lake, Indiana
Head, age 27
Lake, Indiana · implied b. ~1893 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Elmer C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Lake, Indiana
Head, age 37
Lake, Indiana · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Elmer |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 23 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Steam-fitter |
| Industry | Inventory Plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 7,000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Lake-County, Indiana
Head, age 47
Lake-County, Indiana · implied b. ~1893 — 4 household members
| Surname | Peterson |
| Given Name | Elmer E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Hammond |
| 1935 Residence (County) | Lake |
| Occupation | Steam Fitter |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3350 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 47 · b. ~1893 · Indiana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lake-County, Indiana
Open full size
1940 US Federal Census — Lake-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01067-00477)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Adolph Heiserman | 28 | Lodger | Chemist | Indiana |
| 42 | Carlton E Ruedeling | 32 | Lodger | Electrical Engineer | Illinois |
| 43 | Oliver North | 50 | Lodger | Locomotive Engineer | Illinois |
| 44 | Jessie F Martin | 31 | Lodger | Supervising Teacher | Indiana |
| 45 | Smith Osker | 55 | Head | Book Binder | Indiana |
| 46 | Lucile Osker | 52 | Wife | — | Indiana |
| 47 | Irene Osker | 23 | Daughter | Cashier | Illinois |
| 48 | Jerome J Lourman | 51 | Head | Clerk | Indiana |
| 49 | Barbara A Lourman | 48 | Wife | — | Illinois |
| 50 | Mildred Lourman | 24 | Daughter | House Keeper | Indiana |
| 51 | Walter Lourman | 20 | Son | Assembler | Indiana |
| 52 | Porthea Lourman | 17 | Daughter | — | Indiana |
| 53 | Eugene Lourman | 14 | Son | — | Indiana |
| 54 | Charles Lourman | 11 | Son | — | Indiana |
| 55 | Richard Lourman | 7 | Son | — | Indiana |
| 56 | Walter W Last | 23 | Head | Truck Driver | Indiana |
| 57 | Gertrude Last | 27 | Daughter | — | Indiana |
| 58 | Elmer E Peterson THIS PERSON | 47 | Head | Steam Fitter | Indiana |
| 59 | Verna Peterson | 47 | Wife | — | Michigan |
| 60 | William Peterson | 17 | Son | — | Illinois |
| 61 | Kate Stizer | 82 | Mother in law | — | Ohio |
| 62 | Julius W Pilsenke | 58 | Head | Salesman | Indiana |
| 63 | Cora Pilsenke | 54 | Wife | — | Indiana |
| 64 | Harold E Pilsenke | 24 | Son | New Worker | Indiana |
| 65 | Edward Hacker | 68 | Lodger | Valve Tester | Illinois |
| 66 | Alfred Kozanke | 35 | Lodger | Truck Driver | Indiana |
| 67 | Olive Kozanke | 33 | Lodger | Book Keeper | Illinois |
| 68 | Patsy Kozanke | 8 | Daughter | — | Illinois |
| 69 | Otto Knoth | 47 | Head | Foreman | Illinois |
| 70 | Virginia Knoth | 58 | Wife | — | Pennsylvania |
| 71 | William Meekman | 59 | Head | Steel Worker | Pennsylvania |
| 72 | Mae Meekman | 52 | Wife | — | Pennsylvania |
| 73 | Helen Meekman | 24 | Niece | Saleslady | Pennsylvania |
| 74 | Betty Meekman | 22 | Niece | Clerical | Pennsylvania |
| 75 | — | None | — | — | — |
| 76 | Andrew Pellar | 34 | Head | Policeman | Pennsylvania |
| 77 | Mary Pellar | 31 | Wife | — | Illinois |
| 78 | Mary Ann Pellar | 8 | Daughter | — | Indiana |
| 79 | George Kruick | 52 | Lodger | Second Helper | Austria |
| 80 | Susie Kruick | 55 | Wife | — | Czechoslovakia |
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)