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 August & Anna — first a daughter (b.~1909), then head of a 3-person household.
Age 21
b. ~1909
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Peterson |
| Given Name | Dorothy G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | SECRETARY |
| Industry | INSURANCE |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Secretary |
| Township / Ward | Chicago |
| Est. Birth Year | ~1909 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Grace Peterson | Head | — | 46 | ~1884 |
| Dorothy Peterson | Daughter | — | 21 | ~1909 |
| James Peterson | Son | — | 20 | ~1910 |
Census Appearances
1910
Cook, Illinois
Daughter, age 1
Cook, Illinois · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Daughter, age 10
Cook, Illinois · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Dorothy A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 21
Cook, Illinois · implied b. ~1909 — 3 household members
| Surname | Peterson |
| Given Name | Dorothy G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Occupation | SECRETARY |
| Industry | INSURANCE |
| 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: father August Peterson (~0.92 confidence) and mother Anna Peterson (~0.92 confidence) and mother Grace Peterson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
August Peterson
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Anna Peterson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Grace Peterson
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Peterson
Daughter · 1930 · age 21 · b. ~1909 · Illinois
★ You are viewing this record
Sibling
James Peterson
Sibling · 1930 · age 20
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:illinoiscensus00reel492:0848)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ralph Heberling | 45 | Head | Manager | Illinois |
| 2 | Mabel Heberling | 45 | Wife-H | None | Illinois |
| 3 | Katherine Heberling | 20 | Daughter | None | Illinois |
| 4 | Howard Heberling | 18 | Son | None | Minnesota |
| 5 | Margaret Heberling | 12 | Daughter | None | Wisconsin |
| 6 | William J. Mills | 48 | Head | Salesman | Kansas |
| 7 | Sheila Mills | 51 | Wife-H | None | Pennsylvania |
| 8 | William J. Jr. Mills | 5 | Son | None | Kansas |
| 9 | Edward J. Wales | 42 | Head | Clerk | Illinois |
| 10 | Clara Wales | 35 | Wife-H | None | Minnesota |
| 11 | Harold S. Choney | 30 | Head | Manager | Nebraska |
| 12 | Anita Choney | 29 | Wife-H | None | California |
| 13 | Alexander Bernfield | 30 | Head | Accountant | Russia |
| 14 | Eva Bernfield | 27 | Wife-H | None | Illinois |
| 15 | Lois Bernfield | 0 | Daughter | None | Illinois |
| 16 | Pauline Denenholz | 51 | Mother-in-law | None | Austria |
| 17 | Harold Crowder | 28 | Head | Lino-Operator | New York |
| 18 | Doris Crowder | 26 | Wife-H | File Clerk | Missouri |
| 19 | Anne May Wilkins | 18 | Sister | Clerk | Missouri |
| 20 | Herbert E. Bowen | 32 | Head | Manager | New York |
| 21 | Emma Bowen | 32 | Wife-H | None | New York |
| 22 | Arthur Couch | 51 | Head | Manager | New York |
| 23 | Harriet G. Couch | 48 | Wife-H | None | Illinois |
| 24 | Haldor O. Olberg | 35 | Head | Cashier | Norway |
| 25 | Betty B. Olberg | 35 | Wife-H | None | Michigan |
| 26 | Herman C. Rosenblum | 46 | Head | Salesman | Poland |
| 27 | Hannah Rosenblum | 38 | Wife-H | None | Kentucky |
| 28 | Beatrice H. Rosenblum | 8 | Daughter | None | Missouri |
| 29 | David Riordan | 47 | Head | Salesman | Illinois |
| 30 | Estella Riordan | 37 | Wife-H | None | Illinois |
| 31 | Charlotte M. Riordan | 5 | Daughter | None | Illinois |
| 32 | David M. Riordan | 4 | Son | None | Illinois |
| 33 | John J. Riordan | 2 | Son | None | Illinois |
| 34 | Gail Hambleton | 44 | Head | Dentist | Michigan |
| 35 | Alice Hambleton | 40 | Wife-H | None | Wisconsin |
| 36 | Mary A. Hambleton | 7 | Daughter | None | Illinois |
| 37 | John E. Hambleton | 6 | Son | None | Illinois |
| 38 | Francis Schlissman | 22 | Brother-in-law | Player | Wisconsin |
| 39 | Edward Miller | 48 | Head | Accountant | Ohio |
| 40 | Margaret Miller | 44 | Wife-H | None | Illinois |
| 41 | Frank L. Hvide | 49 | Roomer | Auditor | Ohio |
| 42 | Grace Peterson | 46 | Head | Manager | Iowa |
| 43 | Dorothy G. Peterson THIS PERSON | 21 | Daughter | Secretary | Illinois |
| 44 | James E. J. Peterson | 20 | Son | None | Illinois |
| 45 | William E. Phares | 41 | Head | Salesman | New Jersey |
| 46 | Esther Phares | 34 | Wife-H | None | New Jersey |
| 47 | Walker Phares | 9 | Son | None | New Jersey |
| 48 | William Phares | 1 | Son | None | New Jersey |
| 49 | John Erskine | 50 | Head | Salesman | Ohio |
| 50 | Mary Erskine | 52 | Wife-H | None | W. Virginia |
Pedigree Summary
Dorothy + 1 sibling
Gen 1 · 3 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)