KJ
Katherine Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Katherine Jones across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Fred & Louise — first a daughter (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Jones |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Telegraph Operator |
| Industry | Postal Telegraph |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 780 |
| Highest Grade | H 4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Telegraph Operator |
| Township / Ward | Chicago |
| Est. Birth Year | ~1912 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Katherine | Age | Birth yr |
|---|---|---|---|---|
| Katherine Jones | Daughter | — | 28 | ~1912 |
| Blanche Jones | Spouse | — | 54 | ~1886 |
| John Jones | Head | — | 57 | ~1883 |
| Dorothy Jones | Daughter | — | 23 | ~1917 |
Census Appearances
1920
Cook, Illinois
Daughter, age 6
Cook, Illinois · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jonas |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| 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 16
Cook, Illinois · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| 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 28
Cook-County, Illinois · implied b. ~1912 — 4 household members
| Surname | Jones |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Telegraph Operator |
| Industry | Postal Telegraph |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 780 |
| Highest Grade | H 4 |
| 1935 Residence | Illinois |
| 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 Katherine Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Jones (~0.92 confidence) and mother Louise Jonas (~0.92 confidence) and father William Jonas (~0.92 confidence) and father John Jones (~0.92 confidence) and mother Blanche Jones (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Jones
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Louise Jonas
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
William Jonas
b. ~1882
Source father
● Household
· direct · ~0.92
Father
John Jones
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Blanche Jones
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Katherine Jones
Daughter · 1940 · age 28 · b. ~1912 · Illinois
★ You are viewing this record
Sibling
Dorothy Jones
Sibling · 1940 · age 23
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
40 people indexed on this census page (nara:1940:m-t0627-00933-00612)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gilbert Gibson | 26 | Head | Dairy Chemist | Illinois |
| 2 | Mary E. Gibson | 26 | Wife | — | Illinois |
| 3 | Robert W. Gibson | 1 | Son | — | Illinois |
| 4 | Thomas Hagarty | 28 | Head | Spot Welder | Illinois |
| 5 | Mary Hagarty | 29 | Wife | — | Illinois |
| 6 | Frances Money | 50 | Head | Cashier | Mississippi |
| 7 | Merton Ray Money | 30 | Son | Sales Clerk | Mississippi |
| 8 | Ruth Money | 25 | Daughter | Professional Dancer | Missouri |
| 9 | John H. Jones | 57 | Head | Supervisor | England |
| 10 | Blanche Jones | 54 | Wife | — | Illinois |
| 11 | Katherine Jones THIS PERSON | 28 | Daughter | Telegraph Operator | Illinois |
| 12 | Dorothy Jones | 23 | Daughter | Sales Clerk | Illinois |
| 13 | William J. Hafer | 32 | Head | Agent | Illinois |
| 14 | La Morel Hafer | 32 | Wife | — | Illinois |
| 15 | Elaine Hafer | 1 | Daughter | — | Illinois |
| 16 | Douglas M. Le Roy | 42 | Head | Salesman | Missouri |
| 17 | Mabel N. Le Roy | 38 | Wife | Revenue Clerk | Illinois |
| 18 | Frank Le Roy | 18 | Son | New Worker | Illinois |
| 19 | Keith Burnham | 32 | Head | Bookkeeper | Illinois |
| 20 | Mildred Burnham | 29 | Wife | Typist | Illinois |
| 21 | Tekla Danielson | 65 | Mother-in-law | — | Sweden |
| 22 | Jessie Kessinger | 52 | Head | — | New York |
| 23 | Russell Kessinger | 25 | Son | Painter | Illinois |
| 24 | Muriel Kessinger | 19 | Daughter | — | Illinois |
| 25 | Edwin Kiersey | 39 | Head | Engineer | Illinois |
| 26 | Clara Kiersey | 28 | Wife | — | Illinois |
| 27 | Charles Moody | 34 | Head | Estimator | Wisconsin |
| 28 | Charlotte Moody | 31 | Wife | Typist | Illinois |
| 29 | Charles Kerreault | 25 | Head | Office Clerk | Illinois |
| 30 | Cora Kerreault | 29 | Wife | — | Tennessee |
| 31 | Charles Kerreault | 5 | Son | — | Illinois |
| 32 | Josephine Kerreault | 63 | Mother | — | Illinois |
| 33 | Edward Simpson | 41 | Head | Watch Maker | Illinois |
| 34 | Alva Simpson | 42 | Wife | — | Illinois |
| 35 | Lois Simpson | 18 | Daughter | — | Illinois |
| 36 | Jeanne Simpson | 15 | Daughter | — | Illinois |
| 37 | Gail R. Shielas | 48 | Head | Bookkeeper | Illinois |
| 38 | Mae Shielas | 50 | Wife | — | Illinois |
| 39 | Harriet Fahnestock | 70 | Mother | — | Illinois |
| 40 | Axel Nelson | 36 | Head | Janitor | Sweden |
Pedigree Summary
Katherine + 1 sibling
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 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)