EP
Elmer Peterson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Elmer Peterson across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Elmer & Elmer — first a son (b.~1917), then head of a 7-person household.
Age 13
b. ~1917
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Peterson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1917 |
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 1930 census.
| Name | Relation to head | Relative to Elmer | Age | Birth yr |
|---|---|---|---|---|
| Elmer Peterson | Head | — | 42 | ~1888 |
| Mary Block | Other | — | 70 | ~1860 |
| Lucille Peterson | Daughter | — | 8 | ~1922 |
| Anna Peterson | Spouse | — | 43 | ~1887 |
| Shirley Peterson | Daughter | — | 5 | ~1925 |
| Evelyn Peterson | Daughter | — | 17 | ~1913 |
| Elmer Peterson | Son | — | 13 | ~1917 |
Census Appearances
1920
Cook, Illinois
Son, age 3
Cook, Illinois · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 13
Cook, Illinois · implied b. ~1917 — 7 household members
| Surname | Peterson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Other, age 24
Cook-County, Illinois · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Elmer R |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Shipping Clerk |
| Industry | Tailoring |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 226 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Elmer Peterson (~0.92 confidence) and father Elmer Peterson (~0.92 confidence) and mother Agnes Peterson (~0.92 confidence) and mother Anna Peterson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Elmer Peterson
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Elmer Peterson
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Agnes Peterson
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Anna Peterson
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elmer Peterson
Son · 1930 · age 13 · b. ~1917 · Illinois
★ You are viewing this record
Sibling
Shirley Peterson
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Peterson
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Peterson
Sibling · 1930 · age 8
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
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel479:1064)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry Belzer | 6 | Son | — | Illinois |
| 2 | Edward Belzer | 4 | Son | — | Illinois |
| 3 | Lillian Belzer | 28 | Sister | Supervisor | Illinois |
| 4 | Lillie Larson | 63 | Mother-in-law | Operator | Sweden |
| 5 | Max Mascherhoff | 41 | Head | — | Illinois |
| 6 | Julia Mascherhoff | 39 | Wife | — | Michigan |
| 7 | Helen Mascherhoff | 13 | Daughter | Practitioner | Missouri |
| 8 | Leo Mascherhoff | 10 | Son | — | Missouri |
| 9 | Marie H. Heintz | 39 | Head | Operator | Illinois |
| 10 | Harry Heintz | 17 | Son | — | Illinois |
| 11 | Arthur Heintz | 12 | Son | — | Illinois |
| 12 | Beulah Heintz | 25 | Sister | Stenographer | Illinois |
| 13 | Elmer Peterson | 42 | Head | Manager | Illinois |
| 14 | Anna Peterson | 43 | Wife | — | Illinois |
| 15 | Evelyn Peterson | 17 | Daughter | Clerk | Illinois |
| 16 | Elmer Peterson THIS PERSON | 13 | Son | — | Illinois |
| 17 | Lucille Peterson | 8 | Daughter | — | Illinois |
| 18 | Shirley Peterson | 5 | Daughter | — | Illinois |
| 19 | Mary Block | 70 | Mother-in-law | — | Germany |
| 20 | Anthony Smutka | 35 | Head | Decorator | Illinois |
| 21 | Rose Smutka | 30 | Wife | — | Illinois |
| 22 | Virginia Smutka | 2 | Daughter | — | Illinois |
| 23 | Daniel Smutka | 1 | Son | — | Illinois |
| 24 | Dorothy Smutka | 19 | Niece | Operator | Illinois |
| 25 | Albert Schoff | 50 | Head | Chauffeur | Illinois |
| 26 | Minnie Schoff | 50 | Wife | — | Germany |
| 27 | Fred Hoffman | 22 | Step-son | — | Illinois |
| 28 | John A. Swanson | 43 | Head | Clerk | Illinois |
| 29 | Annette Swanson | 58 | Wife | — | Sweden |
| 30 | Henry Wurthmann | 38 | Head | Fireman | Illinois |
| 31 | Selma Wurthmann | 33 | Wife | — | Illinois |
| 32 | Kenneth Wurthmann | 10 | Son | — | Illinois |
| 33 | Earl Wurthmann | 1 | Son | — | Illinois |
| 34 | John Burleigh | 33 | Head | Engineer | Wisconsin |
| 35 | Anna Burleigh | 32 | Wife | — | Illinois |
| 36 | Walter Burleigh | 12 | Son | — | Illinois |
| 37 | Richard Burleigh | 9 | Son | — | Illinois |
| 38 | Robert Burleigh | 6 | Son | — | Illinois |
| 39 | Lennart Applequist | 40 | Head | Supervisor | Sweden |
| 40 | Leonie Applequist | 39 | Wife | — | Pennsylvania |
| 41 | Jane Applequist | 5 | Daughter | — | Illinois |
| 42 | Frank W. Krampihowski | 28 | Head | Erector | Illinois |
| 43 | Marguerite Krampihowski | 21 | Wife | — | Iowa |
| 44 | Frank E. Krampihowski | 3 | Son | — | Illinois |
| 45 | Anastasia Krampihowski | 50 | Mother | — | Illinois |
| 46 | Frank Krampihowski | 55 | Father | Watchman | Illinois |
| 47 | Julius Krampihowski | 12 | Brother | — | Illinois |
| 48 | Giles Macowen | 60 | Lodger | Checker | Canada |
| 49 | Conrad Walaszewski | 42 | Head | Salesman | Germany |
| 50 | Clara M. Walaszewski | 39 | Wife | — | Wisconsin |
Pedigree Summary
Elmer + 3 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)