RK
Ruth Kennedy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Ruth Kennedy across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Francis & Ralph — first a daughter (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Kennedy |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | stenographer |
| Industry | steam railroad |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1300 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Stenographer |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1918 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Kennedy | Daughter | — | 22 | ~1918 |
| Raymond Cora | Other | — | 20 | ~1920 |
| Elizabeth Kennedy | Spouse | — | 47 | ~1893 |
| Ralph Kennedy | Head | — | 51 | ~1889 |
| Raymond Cora | Son | — | 1 | ~1939 |
| Jean Cora | Daughter | — | 19 | ~1921 |
Census Appearances
1920
Cook, Illinois
Daughter, age 2
Cook, Illinois · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 12
Cook, Illinois · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 22
Cook-County, Illinois · implied b. ~1918 — 6 household members
| Surname | Kennedy |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | stenographer |
| Industry | steam railroad |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1300 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 Ruth Kennedy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Francis Kennedy (~0.92 confidence) and father Ralph Kennedy (~0.92 confidence) and father Stephen Csasady (~0.92 confidence) and mother Anna Csasady (~0.92 confidence) and mother Catherine 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
Francis Kennedy
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Ralph Kennedy
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Stephen Csasady
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Anna Csasady
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Catherine Kennedy
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Kennedy
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Kennedy
Daughter · 1940 · age 22 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Jean Cora
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Cora
Sibling · 1940 · age 1
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
1940 US Federal Census — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
31 people indexed on this census page (nara:1940:m-t0627-00937-00703)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Laurenti Ologowski | 20 | Son | Loud Speaker Inspector | Illinois |
| 2 | Adolph Ologowski | 11 | Son | — | Illinois |
| 3 | Geraldine Ologowski | 3 | Daughter | — | Illinois |
| 4 | Mary Hortively | 49 | Head | — | Hungary |
| 5 | Stephen Hortively | 29 | Son | Laborer | Illinois |
| 6 | Mary Hortively | 24 | Daughter | Assembler And Lace | Illinois |
| 7 | Joseph Hortively | 21 | Son | Laborer | Illinois |
| 8 | Julius Hortively | 16 | Son | — | Illinois |
| 9 | Joseph Mielnik | 45 | Head | Boiler Washer | Austria |
| 10 | Emma Mielnik | 36 | Wife | — | New Jersey |
| 11 | Aloise Mielnik | 15 | Son | — | Illinois |
| 12 | Jeannette Mielnik | 13 | Daughter | — | Illinois |
| 13 | Josephine Mielnik | 7 | Daughter | — | Illinois |
| 14 | Walter Melnyk | 29 | Nephew | Lunch Counter Waiter | Illinois |
| 15 | Frank Melnyk | 26 | Nephew | Waiter | Illinois |
| 16 | Anna Emady | 52 | Head | — | Hungary |
| 17 | George Emady | 42 | Son | Craneman | Hungary |
| 18 | Anna Emady | 15 | Daughter | — | Illinois |
| 19 | Nick Decker | 32 | Head | Blacksmith Helper | Illinois |
| 20 | Rosie Decker | 29 | Daughter | — | Pennsylvania |
| 21 | Doris Decker | 3 | Daughter | — | Illinois |
| 22 | Anna Singer | 23 | Niece | Binder | Pennsylvania |
| 23 | Ralph Kennedy | 51 | Head | Valuation Accountant | Illinois |
| 24 | Elizabeth Kennedy | 47 | Wife | — | Illinois |
| 25 | Ruth Kennedy THIS PERSON | 22 | Daughter | Stenographer | Illinois |
| 26 | Raymond Cora | 20 | Cousin | Mechanic | Illinois |
| 27 | Jean Cora | 19 | Daughter | — | Illinois |
| 28 | Raymond Cora | 1 | Son | — | Illinois |
| 29 | Harry Rudnocki | 39 | Head | Blacksmith | Poland |
| 30 | Edward Rudnocki | 18 | Son | News Worker | Illinois |
| 31 | Richard Rudnocki | 11 | Son | — | Illinois |
Pedigree Summary
Ruth + 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 1940 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)