EP
Elmer Peterson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Elmer Peterson across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 9-person household.
Age 10
b. ~1920
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 | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1920 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Elmer | Age | Birth yr |
|---|---|---|---|---|
| Alexander Priser | Other | — | 72 | ~1858 |
| Robert Peterson | Son | — | 8 | ~1922 |
| Richard Peterson | Son | — | 4 | ~1926 |
| Margaret Peterson | Daughter | — | 5 | ~1925 |
| Elmer Peterson | Son | — | 10 | ~1920 |
| Solmey Peterson | Head | — | 44 | ~1886 |
| William Peterson | Son | — | 1 | ~1929 |
| Donald Peterson | Son | — | 3 | ~1927 |
| Francis Peterson | Spouse | — | 40 | ~1890 |
Census Appearances
1930
Cook, Illinois
Son, age 10
Cook, Illinois · implied b. ~1920 — 9 household members
| Surname | Peterson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 20
Cook-County, Illinois · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | PETERSEN |
| Given Name | ELMER |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | ILLINOIS |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | LABOR |
| Industry | STREET PROJECT |
| Class of Worker | GW |
| Hours Worked | 47 |
| Income (1939) | 900 |
| Highest Grade | H 4 |
| 1935 Residence | SAME HOUSE |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Elmer Peterson
Son · 1930 · age 10 · b. ~1920 · Illinois
★ You are viewing this record
Sibling
Margaret Peterson
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Peterson
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Peterson
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Peterson
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Peterson
Sibling · 1930 · age 4
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:illinoiscensus00reel477:0753)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Samuel Borofsky | 54 | Head | Baker | Poland |
| 52 | Anna Borofsky | 53 | Wife | — | Poland |
| 53 | Zelda Borofsky | 22 | Daughter | Stenographer | Illinois |
| 54 | Ben Borofsky | 19 | Son | Bookkeeper | Illinois |
| 55 | Jerome Borofsky | 17 | Son | Messenger | Illinois |
| 56 | Isaac Weintraub | 41 | Head | Proprietor | Czechoslovakia |
| 57 | Rae Weintraub | 36 | Wife | — | Russia |
| 58 | Constance Weintraub | 9 | Daughter | — | Illinois |
| 59 | Beverly Weintraub | 6 | Daughter | — | Illinois |
| 60 | Max Gater | 40 | Head | Painter | Russia |
| 61 | Anna Gater | 33 | Wife | — | Russia |
| 62 | Alice Gater | 8 | Daughter | — | Illinois |
| 63 | Sylvia Gater | 3 | Daughter | — | Ohio |
| 64 | Alvin J. Gater | 1 | Son | — | Illinois |
| 65 | David H. Nathan | 45 | Head | Dealer | Russia |
| 66 | Mae Nathan | 36 | Wife | — | New York |
| 67 | Rose Nathan | 11 | Daughter | — | Illinois |
| 68 | Sherri Nathan | 4 | Daughter | — | Illinois |
| 69 | Robert Hawks | 41 | Head | Carpenter | Georgia |
| 70 | Martha Hawks | 32 | Wife | — | Kentucky |
| 71 | John Pakan | 54 | Head | Proprietor | Czechoslovakia |
| 72 | Mary Pakan | 48 | Wife | — | Czechoslovakia |
| 73 | Ernest Schaaf | 47 | Head | Motorman | Illinois |
| 74 | Alma Schaaf | 46 | Wife | — | Illinois |
| 75 | Jeanette Schaaf | 8 | Daughter | — | Illinois |
| 76 | Ernest Jr. Schaaf | 7 | Son | — | Illinois |
| 77 | John Kloppenstein | 55 | Cousin | Checker | Illinois |
| 78 | Alexander Kalinir | 39 | Head | Proprietor | Poland |
| 79 | Anna Kalinir | 36 | Wife | — | Russia |
| 80 | Robert Kalinir | 5 | Son | — | Illinois |
| 81 | Donald Kalinir | 0 | Son | — | Illinois |
| 82 | Solmey E. Peterson | 44 | Head | Plasterer | Sweden |
| 83 | Francis Peterson | 40 | Wife | — | Illinois |
| 84 | Elmer Peterson THIS PERSON | 10 | Son | — | Illinois |
| 85 | Robert Peterson | 8 | Son | — | Illinois |
| 86 | Margaret Peterson | 5 | Daughter | — | Illinois |
| 87 | Richard Peterson | 4 | Son | — | Illinois |
| 88 | Donald Peterson | 3 | Son | — | Illinois |
| 89 | William Peterson | 1 | Son | — | Illinois |
| 90 | Alexander Priser | 72 | Boarder | — | Hungary |
| 91 | Gottfried Klippstein | 42 | Head | Motorman | Illinois |
| 92 | Mathilda Klippstein | 37 | Wife | — | Illinois |
| 93 | Walter Klippstein | 19 | Son | Messenger | Illinois |
| 94 | George Klippstein | 15 | Son | — | Illinois |
| 95 | Melvin Klippstein | 10 | Daughter | — | Illinois |
| 96 | Otto Reinhardt | 46 | Head | Proprietor | Illinois |
| 97 | Ruth Reinhardt | 18 | Daughter | — | Illinois |
| 98 | Walter Reinhardt | 16 | Son | Apprentice | Illinois |
| 99 | Constantine Mundelius | 52 | Head | Broker | Germany |
| 100 | Louise Mundelius | 53 | Wife | — | Illinois |
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)