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Lucille Brown — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Lucille Brown across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Philip & Helen — first a daughter (b.~1909), then head of a 5-person household.
Age 21
b. ~1909
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Brown |
| Given Name | Lucille |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Typist |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Typist |
| Township / Ward | City Of 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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Lucille | Age | Birth yr |
|---|---|---|---|---|
| Lucille Brown | Daughter | — | 21 | ~1909 |
| Margaret Brown | Daughter | — | 19 | ~1911 |
| Helen Brown | Spouse | — | 50 | ~1880 |
| Philip Brown | Head | — | 54 | ~1876 |
| Philip Brown | Son | — | 23 | ~1907 |
Census Appearances
Daughter, age
Cook, Illinois · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Lucile M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ohio |
| 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 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Lucille |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Germany |
| 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 21
Cook, Illinois · implied b. ~1909 — 5 household members
| Surname | Brown |
| Given Name | Lucille |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Illinois |
| Occupation | Typist |
| Industry | Office |
| 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 Lucille Brown across 3 US Census years (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Philip Brown (~0.92 confidence) and mother Helen Brown (~0.92 confidence) and mother Helen Brown (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Philip Brown
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Helen Brown
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Helen Brown
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lucille Brown
Daughter · 1930 · age 21 · b. ~1909 · Illinois
★ You are viewing this record
Sibling
Philip Brown
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Brown
Sibling · 1930 · age 19
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:illinoiscensus00reel476:0191)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marian Nelson | 7 | Daughter | — | Illinois |
| 2 | John A Person | 84 | Father-in-law | — | Sweden |
| 3 | Augusta Person | 69 | Mother-in-law | — | Sweden |
| 4 | Axel B Person | 43 | Brother-in-law | Photographer | Sweden |
| 5 | William Whitley | 41 | Head | Proprietor | Alabama |
| 6 | Mildred Whitley | 35 | Wife | — | Louisiana |
| 7 | Glen Whitley | 5 | Son | — | Illinois |
| 8 | Anton Anderson | 48 | Head | Carpenter | Norway |
| 9 | Christine Anderson | 41 | Wife | — | Norway |
| 10 | Arthur Anderson | 16 | Son | — | Illinois |
| 11 | Louis Fors | 36 | Head | Salesman | Illinois |
| 12 | Anna Fors | 31 | Wife | — | Illinois |
| 13 | James Fors | 8 | Son | — | Illinois |
| 14 | Roy Fors | 1 | Son | — | Illinois |
| 15 | George Thompson | 41 | Head | Salesman | Illinois |
| 16 | Laura Thompson | 36 | Wife | — | Illinois |
| 17 | Doris Thompson | 9 | Daughter | — | Illinois |
| 18 | Richard S Hadland | 58 | Head | Manager | Illinois |
| 19 | Jessie H Hadland | 56 | Wife | — | Wisconsin |
| 20 | Richard H Hadland | 11 | Son | — | Illinois |
| 21 | Marilyn Hadland | 6 | Daughter | — | Missouri |
| 22 | Mary Burdin | 69 | Mother-in-law | — | Illinois |
| 23 | Arthur B Ullness | 41 | Head | Mechanic | Wisconsin |
| 24 | Karen Ullness | 39 | Wife | — | Norway |
| 25 | Morris T Ullness | 16 | Son | — | Illinois |
| 26 | Walton Ullness | 14 | Son | — | Illinois |
| 27 | Walter Berg | 34 | Head | Painter | Illinois |
| 28 | Dorothy Berg | 31 | Wife | — | Wisconsin |
| 29 | Albert Berg | 7 | Son | — | Wisconsin |
| 30 | Grace Berg | 2 | Daughter | — | Illinois |
| 31 | Philip Brown | 54 | Head | Foreman | Ohio |
| 32 | Helen Brown | 50 | Wife | — | Illinois |
| 33 | Philip Jr Brown | 23 | Son | Commercial | Illinois |
| 34 | Lucille Brown THIS PERSON | 21 | Daughter | Typist | Illinois |
| 35 | Margaret Brown | 19 | Daughter | Typist | Illinois |
| 36 | Oscar Dorstewitz | 52 | Head | Electrician | Illinois |
| 37 | Rose Dorstewitz | 43 | Wife | — | Wisconsin |
| 38 | Boleslof Borowski | 47 | Head | Asst Superintendent | Poland |
| 39 | Clara Borowski | 43 | Wife | — | Poland |
| 40 | Harriet Borowski | 21 | Daughter | Stenog | Illinois |
| 41 | Henry Borowski | 20 | Son | Clerk | Illinois |
| 42 | Louis Borowski | 18 | Son | Architect | Illinois |
| 43 | Edmond Borowski | 12 | Son | — | Illinois |
| 44 | Jonas Egland | 47 | Head | Sheet Metalworker | Norway |
| 45 | Bessie Egland | 44 | Wife | — | Norway |
| 46 | Bernice Egland | 18 | Daughter | Stenog | Illinois |
| 47 | Constantine Kairis | 42 | Head | Tailor | Lithuania |
| 48 | Valeria Kairis | 42 | Wife | — | Lithuania |
| 49 | Anna Kairis | 19 | Daughter | — | Illinois |
| 50 | George Kalke | 42 | Head | Bricklayer | Illinois |
Related Census Records
Pedigree Summary
Lucille + 2 siblings
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)