RK
Ruth Kelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Ruth Kelly across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Kelly |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Saleslady |
| Industry | retail fruit and grocery store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 400 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Saleslady |
| Township / Ward | Chicago |
| Est. Birth Year | ~1921 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Thomas Kelly | Head | — | 49 | ~1891 |
| Thomas Kelly | Son | — | 9 | ~1931 |
| Virginia Kelly | Daughter | — | 11 | ~1929 |
| Robert Kelly | Son | — | 13 | ~1927 |
| Ruth Kelly | Daughter | — | 19 | ~1921 |
| Joan Kelly | Daughter | — | 16 | ~1924 |
| Catherine Kelly | Daughter | — | 6 | ~1934 |
| Mary Kelly | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Cook, Illinois
Daughter, age 9
Cook, Illinois · implied b. ~1921 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 19
Cook-County, Illinois · implied b. ~1921 — 8 household members
| Surname | Kelly |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Saleslady |
| Industry | retail fruit and grocery store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 400 |
| Highest Grade | C 1 |
| 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 Kelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Kelly
Daughter · 1940 · age 19 · b. ~1921 · Illinois
★ You are viewing this record
Sibling
Catherine Kelly
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Kelly
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Kelly
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Kelly
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Kelly
Sibling · 1940 · age 16
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
39 people indexed on this census page (nara:1940:m-t0627-01022-00496)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles Wilson | 2 | Son | — | Illinois |
| 42 | Agnes Schultz | 69 | Mother in law | — | Illinois |
| 43 | Freda Kuhns | 49 | Head | General House Cleaning | Germany |
| 44 | Shirley Kuhns | 18 | Daughter | — | Illinois |
| 45 | August Ericson | 82 | Head | — | Sweden |
| 46 | Anna Ericson | 63 | Wife | — | Sweden |
| 47 | Theodore Lemmer | 39 | Head | Salesman | Illinois |
| 48 | Mildred Lemmer | 38 | Wife | — | Illinois |
| 49 | Eleanor Lemmer | 9 | Daughter | — | Illinois |
| 50 | William Carroll | 36 | Head | Printer | Illinois |
| 51 | Lucille Carroll | 28 | Wife | Typist | South Dakota |
| 52 | Elizabeth Bortatn | 63 | Head | Research Work | Ohio |
| 53 | Gertrude Bortatn | 51 | Sister | Teacher | Ohio |
| 55 | Thomas Hoban | 41 | Head | Foreman | Eire |
| 56 | Catherine Hoban | 33 | Wife | — | Eire |
| 57 | Catherine Hoban | 5 | Daughter | — | Illinois |
| 58 | Mary J. Kane | 5 | Daughter in law | — | Illinois |
| 59 | Joseph Kane | 42 | Head | Proprietor | Illinois |
| 60 | Mary Kane | 40 | Wife | — | Illinois |
| 61 | Joan Alice Kane | 9 | Daughter | — | Illinois |
| 62 | Henry A. Schmit | 40 | Head | Salesman | Illinois |
| 63 | Frances Schmit | 38 | Wife | — | Illinois |
| 64 | James Harry Schmit | 5 | Son | — | Illinois |
| 65 | Ruth Anastasia Schmit | 18 | Daughter | — | Illinois |
| 66 | Bertha Schmit | 78 | Mother | — | Germany |
| 67 | George Kelly | 46 | Head | Superintendent | Illinois |
| 68 | Katherine Kelly | 36 | Wife | — | Minnesota |
| 69 | Thomas E. Kelly | 49 | Head | Salesman | Illinois |
| 70 | Mary Jeannette Kelly | 46 | Wife | — | Illinois |
| 71 | Ruth Kelly THIS PERSON | 19 | Daughter | Saleslady | Illinois |
| 72 | Joan Kelly | 16 | Daughter | Saleslady | Illinois |
| 73 | Robert Kelly | 13 | Son | — | Illinois |
| 74 | Virginia Kelly | 11 | Daughter | — | Illinois |
| 75 | Thomas Jr. Kelly | 9 | Son | — | Illinois |
| 76 | Catherine Kelly | 6 | Daughter | — | Illinois |
| 77 | John Anderson | 68 | Head | — | Sweden |
| 78 | Caroline Anderson | 62 | Wife | — | Sweden |
| 79 | Eric Eden | 34 | Nephew | Lathe Hand | Sweden |
| 80 | Harry Cawthorne | 43 | Head | — | England |
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)