WK
Walter Kelly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Walter Kelly across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents George & James — first a head (b.~1897), then head of a 7-person household.
Age 43
b. ~1897
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Kelly |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Executive |
| Industry | Coal Sales |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 5000 |
| Highest Grade | No 12 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Executive |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1897 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Marjorie Hess | Other | — | 19 | ~1921 |
| Walter Kelly | Head | — | 43 | ~1897 |
| Ruth Kelly | Spouse | — | 33 | ~1907 |
| Marie Furey | Other | — | 26 | ~1914 |
| Louise Kelly | Daughter | — | 1 | ~1939 |
| Rose Kelly | Daughter | — | 5 | ~1935 |
| Richard Kelly | Son | — | 8 | ~1932 |
Census Appearances
1920
Cook, Illinois
Son, age 22
Cook, Illinois · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Clerk |
| Industry | Railroad Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 32
Cook, Illinois · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Policeman |
| Industry | City |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 43
Cook-County, Illinois · implied b. ~1897 — 7 household members
| Surname | Kelly |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Executive |
| Industry | Coal Sales |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 5000 |
| Highest Grade | No 12 |
| 1935 Residence | Same House |
| 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 Walter Kelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Kelly (~0.92 confidence) and father James Kelly (~0.92 confidence) and mother Martha Kelly (~0.92 confidence) and mother Mary Kelly (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Kelly
b. ~1865
Source father
● Household
· direct · ~0.92
Father
James Kelly
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Martha Kelly
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Mary Kelly
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Kelly
Head · 1940 · age 43 · b. ~1897 · Illinois
★ You are viewing this record
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-t0627-01009-00397)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jack Winkler | 41 | Head | Merchant | New York |
| 2 | Jeanette O. Winkler | 35 | Wife | — | New York |
| 3 | Jacqueline Winkler | 16 | Daughter | — | Illinois |
| 4 | Joseph Winkler | 65 | Father | Merchant | Hungary |
| 5 | Mina R. Shapiro | 60 | Mother-in-law | — | Austria |
| 6 | Anna Mcpherson | 30 | Servant | Maid | Canada-English |
| 7 | Delia Stevenson | 49 | Servant | Maid | Ireland |
| 8 | Edward L. Keirnan | 47 | Head | Tanner | Illinois |
| 9 | Louise B. Keirnan | 42 | Wife | — | Illinois |
| 10 | Thomas Keirnan | 19 | Son | — | Wisconsin |
| 11 | William Keirnan | 15 | Son | — | Wisconsin |
| 12 | Francis Keirnan | 13 | Son | — | Illinois |
| 13 | Louise Keirnan | 10 | Daughter | — | Illinois |
| 14 | Rose Jameson | 32 | Servant | Maid | Canada-French |
| 15 | Harold E. Davis | 45 | Head | Doctor-Phys. | Tennessee |
| 16 | Pauline D. Davis | 40 | Wife | — | Kansas |
| 17 | Diane Davis | 8 | Daughter | — | Illinois |
| 18 | Ella May Wine | 29 | Servant | Maid | Florida |
| 19 | John Kleen | 64 | Head | Janitor | Russia |
| 20 | Katherine Kleen | 60 | Wife | — | Russia |
| 21 | Walter Kelly THIS PERSON | 43 | Head | Executive | Illinois |
| 22 | Ruth Mary Kelly | 33 | Wife | — | Michigan |
| 23 | Richard Kelly | 8 | Son | — | Illinois |
| 24 | Rose Mary Kelly | 5 | Daughter | — | Illinois |
| 25 | Louise Kelly | 1 | Daughter | — | Illinois |
| 26 | Marie Furey | 26 | Servant | Maid | Ohio |
| 27 | Marjorie Hess | 19 | Servant | Maid | Minnesota |
| 28 | Campbell Ryan | 39 | Head | Sales Executive | Missouri |
| 29 | Genevieve Ryan | 39 | Wife | — | Ohio |
| 30 | Campbell Jr. Ryan | 9 | Son | — | Ohio |
| 31 | Mary Patricia Ryan | 7 | Daughter | — | Ohio |
| 32 | J. A. Mies | 69 | Head | Accountant | Wisconsin |
| 33 | Mary Mies | 42 | Wife | — | Illinois |
| 34 | Margaret Morand | 72 | Head | — | Illinois |
| 35 | Harry J. Morand | 44 | Son | Broker | Illinois |
| 36 | Katherine Maurer | 73 | Sister | — | Illinois |
| 37 | Mae Mcmully | 24 | Servant | Maid | Ireland |
| 38 | M. D. Reed | 51 | Head | Doctor | Lithuania |
| 39 | Marian S. Reed | 48 | Wife | — | Lithuania |
| 40 | Herbert Reed | 21 | Son | — | Illinois |
Pedigree Summary
Walter
Gen 1 · 4 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)