DP
Dorothy Peterson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Dorothy Peterson across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Anna & Simon — first a daughter (b.~1904), then head of a 4-person household.
Age 26
b. ~1904
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Peterson |
| Given Name | Dorothy J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Paper Mfg. Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Bookkeeper |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1904 |
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 1930 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Anna Peterson | Head | — | 51 | ~1879 |
| Dorothy Peterson | Daughter | — | 26 | ~1904 |
| Earl Birch | Other | — | 30 | ~1900 |
| Bertha Birch | Daughter | — | 29 | ~1901 |
Census Appearances
1910
Cook, Illinois
Daughter, age 6
Cook, Illinois · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petterson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Daughter, age 17
Cook, Illinois · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 26
Cook, Illinois · implied b. ~1904 — 4 household members
| Surname | Peterson |
| Given Name | Dorothy J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Bookkeeper |
| Industry | Paper Mfg. Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Dorothy Peterson across 3 US Census years (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: mother Anna Peterson (~0.92 confidence) and father Simon Petterson (~0.92 confidence) and mother Hilda Petterson (~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
Mother
Anna Peterson
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
Simon Petterson
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Hilda Petterson
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Anna Peterson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Peterson
Daughter · 1930 · age 26 · b. ~1904 · Illinois
★ You are viewing this record
Sibling
Bertha Birch
Sibling · 1930 · age 29
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
48 people indexed on this census page (ia:1930:illinoiscensus00reel428:1008)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary E. Farrell | 44 | Wife-H | — | Illinois |
| 52 | Mary E. Farrell | 12 | Daughter | — | Illinois |
| 53 | Richard C. Farrell | 10 | Son | — | Illinois |
| 54 | Catherine M. Farrell | 8 | Daughter | — | Illinois |
| 55 | John J. Casey | 51 | Head | Merchant | New York |
| 56 | Mary A. Casey | 47 | Wife-H | — | Illinois |
| 57 | Margaret M. Casey | 19 | Daughter | — | Illinois |
| 59 | Anna T. Peterson | 51 | Head | — | Sweden |
| 60 | Dorothy J. Peterson THIS PERSON | 26 | Daughter | Bookkeeper | Illinois |
| 61 | Earl S. Birch | 30 | Son-in-law | Salesman | Illinois |
| 62 | Bertha A. Birch | 29 | Daughter | Stenographer | Illinois |
| 63 | Harry M. Rich | 46 | Head | Amusement Mgr. | Wisconsin |
| 64 | Maude K. Rich | 45 | Wife-H | — | Illinois |
| 65 | Charles M. Rich | 16 | Son | — | Illinois |
| 66 | James H. O'Connor | 45 | Head | — | Illinois |
| 67 | Jennie A. O'Connor | 39 | Wife-H | — | Indiana |
| 68 | Irene G. O'Connor | 13 | Daughter | — | Illinois |
| 69 | James H. Jr. O'Connor | 11 | Son | — | Illinois |
| 70 | Otto Kamprath | 61 | Head | Machinist | Germany |
| 71 | Elizabeth Kamprath | 59 | Wife-H | — | Germany |
| 72 | Mabel K. Hogan | 29 | Daughter | Typist | Illinois |
| 73 | Ronald Hogan | 11 | Grandson | — | Illinois |
| 74 | Russell J. O'Brien | 35 | Head | Superintendent | Indiana |
| 75 | Mary D. O'Brien | 34 | Wife-H | — | Illinois |
| 76 | Mary J. O'Brien | 6 | Daughter | — | Illinois |
| 77 | Mabel S. Taylor | 39 | Head | General Office | Illinois |
| 78 | Edward S. Taylor | 20 | Son | Asst. Mechanic | Illinois |
| 79 | George H. Taylor | 19 | Son | — | Illinois |
| 80 | Harold H. Withington | 42 | Head | Salesman | Illinois |
| 81 | Helen Withington | 32 | Wife-H | — | Iowa |
| 82 | Mary Withington | 1 | Daughter | — | Illinois |
| 83 | Robert W. Thompson | 28 | Head | Painter | New Jersey |
| 84 | Irene Thompson | 25 | Wife-H | Stenographer | Illinois |
| 86 | Edward M. Spaula | 39 | Head | Salesman | Illinois |
| 87 | Suzanne M. Spaula | 31 | Wife-H | — | France |
| 88 | Chas. B. Lenno | 31 | Head | Mechanic | Wisconsin |
| 89 | Corrine M. Lenno | 29 | Wife-H | — | Illinois |
| 90 | Patricia Lou Lenno | 4 | Son | — | Illinois |
| 91 | Emma J. Green | 60 | Head | Matron | Missouri |
| 92 | Donald J. Green | 24 | Son | Asst. Manager | Illinois |
| 93 | Walter J. Stock | 34 | Head | Asst. Cashier | Illinois |
| 94 | Evelyn E. Stock | 34 | Wife-H | — | Illinois |
| 95 | Paul C. Brignall | 31 | Head | Bookkeeper | Illinois |
| 96 | Hester J. Brignall | 27 | Wife-H | — | Illinois |
| 97 | Jerry H. Brignall | 1 | Daughter | — | Illinois |
| 98 | Thomas J. Fondahl | 32 | Head | Trader | Illinois |
| 99 | Ruth Fondahl | 29 | Wife-H | — | Washington |
| 100 | Bernard H. Stock | 10 | Son | — | Illinois |
Pedigree Summary
Dorothy + 1 sibling
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)