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Catherine Kelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Catherine Kelly across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 6-person household.
Age 47
b. ~1893
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Kelly |
| Given Name | Catherine |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1893 |
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 Catherine | Age | Birth yr |
|---|---|---|---|---|
| Michael Kelly | Head | — | 52 | ~1888 |
| James Kelly | Son | — | 21 | ~1919 |
| Donald Kelly | Son | — | 17 | ~1923 |
| John Kelly | Son | — | 7 | ~1933 |
| Michael Kelly | Son | — | 25 | ~1915 |
| Catherine Kelly | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Cook, Illinois
Spouse, age 27
Cook, Illinois · implied b. ~1893 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Catherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1910 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1919 |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Spouse, age 38
Cook, Illinois · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Catherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 22 |
| Father's Birthplace | Free State |
| Mother's Birthplace | Free State |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Cook-County, Illinois
Spouse, age 47
Cook-County, Illinois · implied b. ~1893 — 6 household members
| Surname | Kelly |
| Given Name | Catherine |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Catherine Kelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Catherine Kelly
Spouse · 1940 · age 47 · b. ~1893 · 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-t0627-00941-00419)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elsie Wyckoff | 45 | wife | Knitting | Ireland |
| 2 | Agnes Reid | 54 | head | — | Ireland |
| 3 | Michael Kelly | 52 | head | Conductor | Ireland |
| 4 | Catherine Kelly THIS PERSON | 47 | wife | — | Ireland |
| 5 | Michael J Kelly | 25 | son | Teller | Illinois |
| 6 | James Kelly | 21 | son | Purchasing Agent | Illinois |
| 7 | Donald Kelly | 17 | son | — | Illinois |
| 8 | John Kelly | 7 | son | — | Illinois |
| 9 | Robert E Kitner | 40 | head | Teacher | Ohio |
| 10 | Levelin Kitner | 39 | wife | — | Ohio |
| 11 | Alice Gillen | 63 | mother-in-law | — | Ohio |
| 12 | William J Feeley | 35 | head | Salesman | Pennsylvania |
| 13 | Beulah M Feeley | 33 | wife | — | Pennsylvania |
| 14 | William J Jr Feeley | 10 | son | — | Pennsylvania |
| 15 | Matthias Fabian | 25 | head | Chief Clerk | Germany |
| 16 | Julia Fabian | 23 | wife | — | Michigan |
| 17 | Joseph Fabian | 5 | son | — | New York |
| 18 | Robert Fabian | 2 | son | — | Illinois |
| 19 | William Jackovich | 37 | head | Foreman | Illinois |
| 20 | Genevieve Jackovich | 37 | wife | — | Illinois |
| 21 | Mary Mcgrath | 75 | mother-in-law | — | Illinois |
| 22 | Joseph M Boyle | 29 | head | Electrician | Illinois |
| 23 | Margaret Boyle | 30 | wife | — | Illinois |
| 24 | Joseph Boyle | 1 | son | — | Illinois |
| 25 | Joseph J Boyle | 53 | father | Electrician | Illinois |
| 26 | Laura Boyle | 52 | mother | — | Illinois |
| 27 | Mabel Boyle | 31 | sister | — | Illinois |
| 28 | Robert Boyle | 21 | brother | Compiler | Illinois |
| 29 | Neil S Booth | 48 | head | Advertising | Indiana |
| 30 | Mildred S Booth | 44 | wife | — | Illinois |
| 31 | Betty Jane Booth | 21 | daughter | Stenographer | Illinois |
| 32 | Suzanne W Booth | 19 | daughter | New Worker | Illinois |
| 33 | John David Booth | 15 | son | — | Indiana |
| 34 | Harry J Moynihan | 39 | head | Lawyer | Illinois |
| 35 | Jeanette Moynihan | 38 | wife | Teacher | Illinois |
| 36 | Patrick F Moynihan | 68 | head | — | Illinois |
| 37 | Aloysius Leck | 30 | head | Bartender | Illinois |
| 38 | Winifred Leck | 35 | wife | Sub-Teacher | Illinois |
| 39 | Winifred Leck | 2 | daughter | — | Illinois |
| 40 | Thomas Mcrussell | 50 | head | Foreman | Scotland |
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)