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Dorothy Kennedy — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Dorothy Kennedy across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Harry & William — first a daughter (b.~1911), then head of a 5-person household.
Age 19
b. ~1911
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Kennedy |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Operator |
| Industry | Telephone Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Operator |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1911 |
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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Kennedy | Daughter | — | 19 | ~1911 |
| William Kennedy | Son | — | 17 | ~1913 |
| Eleanore Kennedy | Daughter | — | 14 | ~1916 |
| Elizabeth Kennedy | Spouse | — | 41 | ~1889 |
| William Kennedy | Head | — | 43 | ~1887 |
Census Appearances
1910
Cook, Illinois
Daughter, age 1
Cook, Illinois · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| 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 9
Cook, Illinois · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 19
Cook, Illinois · implied b. ~1911 — 5 household members
| Surname | Kennedy |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Operator |
| Industry | Telephone 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 Kennedy across 3 US Census years (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Harry Kennedy (~0.92 confidence) and father William Kennedy (~0.92 confidence) and father William Kennedy (~0.92 confidence) and mother Anna Kennedy (~0.92 confidence) and mother Elizabeth Kennedy (~0.92 confidence) and mother Elizabeth Kennedy (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Kennedy
b. ~1880
Source father
● Household
· direct · ~0.92
Father
William Kennedy
b. ~1887
Source father
● Household
· direct · ~0.92
Father
William Kennedy
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Anna Kennedy
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Kennedy
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Kennedy
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Kennedy
Daughter · 1930 · age 19 · b. ~1911 · Illinois
★ You are viewing this record
Sibling
Eleanore Kennedy
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Kennedy
Sibling · 1930 · age 17
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:illinoiscensus00reel437:0738)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Finnerty | 31 | Head | — | Illinois |
| 2 | Daniel Finnerty | 5 | Son | — | Illinois |
| 3 | Joseph Finnerty | 2 | Son | — | Illinois |
| 4 | Walter Ames | 55 | Head | Painter | New York |
| 5 | Julia Ames | 44 | Wife | — | Illinois |
| 6 | Robert Ames | 7 | Son | Sailor | Illinois |
| 7 | Celesta Elkins | 73 | Mother-in-law | — | Indiana |
| 8 | Mary Lunn | 54 | Head | — | Germany |
| 9 | William Lunn | 20 | Son | Clerk | Illinois |
| 10 | Teresa Lunn | 18 | Daughter | Typist | Illinois |
| 11 | William Kennedy | 43 | Head | Laborer | Illinois |
| 12 | Elizabeth Kennedy | 41 | Wife | — | Illinois |
| 13 | Dorothy Kennedy THIS PERSON | 19 | Daughter | Operator | Illinois |
| 14 | William Kennedy | 17 | Son | Messenger | Illinois |
| 15 | Eleanore Kennedy | 14 | Daughter | — | Illinois |
| 16 | Bridget Wardle | 60 | Head | — | Ireland |
| 17 | Joseph Wardle | 34 | Son | Carpenter | Illinois |
| 18 | Ella May Wardle | 25 | Daughter | Clerk | Illinois |
| 19 | James Kirby | 70 | Brother | — | Ireland |
| 20 | Delia Cook | 58 | Head | — | Ireland |
| 21 | John Cook | 27 | Boarder | Conductor | Ireland |
| 22 | William Cook | 24 | Boarder | Clerk | Ireland |
| 23 | John Ahearn | 26 | Boarder | Laborer | Ireland |
| 24 | Michael Scanlon | 27 | Boarder | Laborer | Ireland |
| 25 | Richard Doherty | 20 | Boarder | Laborer | Ireland |
| 26 | Anna Powers | 21 | Telephone Co | Operator | Illinois |
| 27 | John Dey | 28 | Head | Captain | Illinois |
| 28 | Georgia Dey | 20 | Wife | Operator | California |
| 29 | John Hutchison | 28 | Head | Storekeeper | Austria |
| 30 | Jennie Hutchison | 27 | Wife | — | Czechoslovakia |
| 31 | Martin White | 70 | Head | Laborer | Illinois |
| 32 | Julia White | 71 | Wife | — | Illinois |
| 33 | Joseph White | 28 | Son | Clerk | Illinois |
| 34 | Anna Mae White | 24 | Daughter | School Teacher | Illinois |
| 35 | Walter Vincent | 37 | Head | Laborer | Illinois |
| 36 | Nellie Vincent | 30 | Wife | — | Ireland |
| 37 | Julia M. Vincent | 4 | Daughter | — | Illinois |
| 38 | Walter Jr. Vincent | 1 | Son | — | Illinois |
| 39 | Catherine Finn | 20 | Cousin | Laborer | Ireland |
| 40 | John Finn | 22 | Cousin | Laborer | Ireland |
| 41 | John Stokes | 50 | Head | — | Ireland |
| 42 | Mary Stokes | 27 | Daughter | Laborer | Illinois |
| 43 | John Jr. Stokes | 18 | Son | Milk Driver | Illinois |
| 44 | Thomas Costello | 25 | Head | — | Illinois |
| 45 | Anne Costello | 28 | Wife | — | Illinois |
| 46 | Mary Costello | 2 | Daughter | Laborer | Illinois |
| 47 | Michael Martin | 50 | Head | Clerk | Ireland |
| 48 | Mary Martin | 18 | Daughter | — | Illinois |
| 49 | Anna Martin | 16 | Daughter | — | Illinois |
| 50 | Catherine Nolan | 66 | Mother | — | Ireland |
Pedigree Summary
Dorothy + 2 siblings
Gen 1 · 6 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)