FK
Francis Kelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Francis Kelly across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 10-person household.
Age 12
b. ~1928
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Kelly |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1928 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Francis | Age | Birth yr |
|---|---|---|---|---|
| Raymond Kelly | Son | — | 11 | ~1929 |
| Rose Kelly | Spouse | — | 41 | ~1899 |
| Frank Kelly | Head | — | 51 | ~1889 |
| Catherine Kelly | Daughter | — | 9 | ~1931 |
| Patricia Kelly | Daughter | — | ~1940 | |
| Rose Kelly | Daughter | — | 7 | ~1933 |
| Joseph Kelly | Son | — | 5 | ~1935 |
| Robert Kelly | Daughter | — | 3 | ~1937 |
| Thomas Kelly | Son | — | 14 | ~1926 |
| Francis Kelly | Son | — | 12 | ~1928 |
Census Appearances
1930
Cook, Illinois
Son, age 1
Cook, Illinois · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | S. Ireland |
| Mother's Birthplace | S. Ireland |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 12
Cook-County, Illinois · implied b. ~1928 — 10 household members
| Surname | Kelly |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Highest Grade | No 6 |
| 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 Francis Kelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Francis Kelly
Son · 1940 · age 12 · b. ~1928 · Illinois
★ You are viewing this record
Sibling
Raymond Kelly
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Kelly
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Kelly
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Kelly
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Kelly
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Kelly
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Kelly
Sibling · 1940 · age 7
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
38 people indexed on this census page (nara:1940:m-t0627-00958-00132)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alice Hohl | 22 | Servant | Housework | Indiana |
| 3 | Anna Olds | 65 | Head | — | Illinois |
| 4 | Florence Moss | 48 | Lodger | Stenographer | Illinois |
| 5 | Florence Moss | 19 | Daughter | — | Illinois |
| 6 | Austin Olds | 38 | Head | Electrician | Illinois |
| 7 | Pearl Olds | 34 | Wife | — | Iowa |
| 8 | James Kenny | 58 | Head | Streetcar Cond | Irish Free State |
| 9 | Ellen Kenny | 55 | Wife | — | Irish Free State |
| 10 | Kathleen Kenny | 21 | Daughter | Tel. Operator | Illinois |
| 11 | Eileen Kenny | 17 | Daughter | — | Illinois |
| 12 | John F Kenny | 16 | Son | — | Illinois |
| 13 | Lillian Kenny | 14 | Daughter | — | Illinois |
| 14 | Andrew Cochrane | 42 | Head | Milk Driver | Illinois |
| 15 | Ruth Cochrane | 43 | Wife | — | Illinois |
| 16 | Laverne Cochrane | 18 | Daughter | — | Illinois |
| 17 | Marilyn Cochrane | 16 | Daughter | — | Illinois |
| 18 | William Delany | 62 | Head | Lawyer | Irish Free State |
| 19 | Anna Delany | 60 | Wife | — | Irish Free State |
| 20 | Charles Delany | 25 | Son | Shipping Clerk | Illinois |
| 21 | Gerald Delany | 23 | Son | Shipping Clerk | Illinois |
| 22 | Frank B. Kelly | 51 | Head | Plumbing Ins | Iowa |
| 23 | Rose Kelly | 41 | Wife | — | Illinois |
| 24 | Thomas Kelly | 14 | Son | — | Illinois |
| 25 | Francis Kelly THIS PERSON | 12 | Son | — | Illinois |
| 26 | Raymond Kelly | 11 | Son | — | Illinois |
| 27 | Catherine Kelly | 9 | Daughter | — | Illinois |
| 28 | Rose Mary Kelly | 7 | Daughter | — | Illinois |
| 29 | Joseph Kelly | 5 | Son | — | Illinois |
| 30 | Robert Kelly | 3 | Daughter | — | Illinois |
| 31 | Patricia Kelly | 0 | Daughter | — | Illinois |
| 32 | Oscar R Shepherd | 73 | Head | — | Missouri |
| 33 | Laura F Shepherd | 67 | Wife | — | Missouri |
| 34 | Edward Wicher | 50 | Head | Office Clerk | Illinois |
| 35 | Effie Wicher | 50 | Wife | — | Illinois |
| 37 | Bernard W Tripp | 54 | Head | House Painter | Germany |
| 38 | Anna Tripp | 53 | Wife | — | Germany |
| 39 | Anne Tripp | 28 | Daughter | Stenographer | Illinois |
| 40 | John J. Nugent | 70 | Head | — | Illinois |
Related Census Records
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)