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Helen Dunn — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Helen Dunn across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents George & Robert — first a daughter (b.~1908), then head of a 12-person household.
Age 22
b. ~1908
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Dunn |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Teacher |
| Industry | School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Teacher |
| Township / Ward | Chicago |
| Est. Birth Year | ~1908 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Colette Dunn | Daughter | — | 29 | ~1901 |
| Marilynn Bowler | Other | — | 9 | ~1921 |
| Joseph Dunn | Son | — | 26 | ~1904 |
| Joseph Bowler | Other | — | 5 | ~1925 |
| Elizabeth Dunn | Daughter | — | 24 | ~1906 |
| Genevieve Bowler | Daughter | — | 34 | ~1896 |
| Agnes Dunn | Daughter | — | 20 | ~1910 |
| Kenneth Bowler | Other | — | 10 | ~1920 |
| Helen Dunn | Daughter | — | 22 | ~1908 |
| John Bowler | Other | — | 34 | ~1896 |
| Catherine Dunn | Head | — | 60 | ~1870 |
| Catherine Dunn | Daughter | — | 30 | ~1900 |
Census Appearances
1910
Cook, Illinois
Daughter, age
Cook, Illinois · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | New York |
| 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 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| 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 22
Cook, Illinois · implied b. ~1908 — 12 household members
| Surname | Dunn |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Teacher |
| Industry | School |
| 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 Helen Dunn across 3 US Census years (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father George Dunn (~0.92 confidence) and father Robert Dunn (~0.92 confidence) and mother Catherine Dunn (~0.92 confidence) and mother Hazel Dunn (~0.92 confidence) and mother La Dunn (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Dunn
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Robert Dunn
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Catherine Dunn
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Hazel Dunn
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
La Dunn
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Dunn
Daughter · 1930 · age 22 · b. ~1908 · Illinois
★ You are viewing this record
Sibling
Agnes Dunn
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Dunn
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Dunn
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Dunn
Sibling · 1930 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Colette Dunn
Sibling · 1930 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genevieve Bowler
Sibling · 1930 · age 34
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
47 people indexed on this census page (ia:1930:illinoiscensus00reel451:0801)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Catherine Dunn | 60 | Head | None | Illinois |
| 52 | Catherine S Dunn | 30 | Daughter | Stenographer | Illinois |
| 53 | Colette Dunn | 29 | Daughter | Stenographer | Illinois |
| 54 | Elizabeth Dunn | 24 | Daughter | Teacher | Illinois |
| 55 | Joseph Dunn | 26 | Son | Driver | Illinois |
| 56 | Helen Dunn THIS PERSON | 22 | Daughter | Teacher | Illinois |
| 57 | Agnes Dunn | 20 | Daughter | Stenographer | Illinois |
| 58 | John Bowler | 34 | Son-in-law | Clerk | Illinois |
| 59 | Genevieve Bowler | 34 | Daughter | None | Illinois |
| 60 | Kenneth Bowler | 10 | Grandson | None | Illinois |
| 61 | Marilynn Bowler | 9 | Granddaughter | None | Illinois |
| 62 | Joseph W. Bowler | 5 | Grandson | None | Illinois |
| 63 | Antone Krawczyk | 52 | Head | None | Poland |
| 64 | Lillian Krawczyk | 21 | Daughter | Server | Illinois |
| 65 | Emily Krawczyk | 18 | Daughter | Clerk | Illinois |
| 66 | John Krawczyk | 16 | Son | None | Illinois |
| 67 | Julius Nowalinski | 80 | Cousin | None | Poland |
| 68 | Walter Romanucki | 35 | Head | Bench Worker | Poland |
| 69 | Mary Romanucki | 32 | Wife | None | Poland |
| 70 | Edward Romanucki | 3 | Son | None | Illinois |
| 71 | Raymond Romanucki | 0 | Son | None | Illinois |
| 72 | Joseph Kierzkowski | 59 | Head | Helper | Poland |
| 73 | Catherine Kierzkowski | 54 | Wife-H | None | Poland |
| 74 | Casimir Kierzkowski | 24 | Son | Driver | Illinois |
| 75 | Clare Kierzkowski | 17 | Daughter | Telegrapher | Illinois |
| 76 | Eleanor Kierzkowski | 12 | Daughter | None | Illinois |
| 77 | Edmund J Garney | 30 | Head | Engineer | Illinois |
| 78 | Helen Garney | 28 | Wife-H | None | Illinois |
| 79 | George Garney | 5 | Son | None | Illinois |
| 80 | Leonard Garney | 2 | Son | None | Illinois |
| 83 | Patrick Mullin | 48 | Head | Inspector | Ireland |
| 84 | Mary Ann Mullin | 23 | Sister-H | Clerk | Ireland |
| 85 | Maurice Mullin | 22 | Nephew | Cable Former | Ireland |
| 86 | Joseph Mullin | 16 | Nephew | None | Illinois |
| 87 | Arthur J Kennedy | 36 | Head | Salesman | Illinois |
| 88 | Margaret Kennedy | 34 | Wife-H | None | Illinois |
| 89 | Margaret Kennedy | 10 | Daughter | None | Illinois |
| 90 | Ruth R. Kennedy | 9 | Daughter | None | Illinois |
| 91 | Dorothy Kennedy | 5 | Daughter | None | Illinois |
| 92 | Catherine Kennedy | 2 | Daughter | None | Indiana |
| 93 | Felix Monastick | 38 | Head | Mechanic | Germany |
| 94 | Anne Monastick | 36 | Wife | None | Germany |
| 95 | Dorila Florence Monastick | 24 | Brother-in-law | Laborer | Minnesota |
| 96 | Eva Monastick | 18 | Sister-in-law | Insulating Wire | Minnesota |
| 97 | Thomas Albert Monastick | 24 | Nephew | Mechanic | Germany |
| 98 | Michael Noelle | 64 | Head | Printer | Ohio |
| 99 | Emma Noelle | 59 | Wife | None | Illinois |
Pedigree Summary
Helen + 6 siblings
Gen 1 · 5 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)