FK
Frank Kennedy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lee-County, Illinois
Our Model Tree links this Frank Kennedy across the 1920, 1930 and 1940 US Censuses in Lee-County, Illinois (XGBoost, ~Confirmed), with identified parents Frank & Frank — first a son (b.~1904), then head of a 5-person household.
Age 36
b. ~1904
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lee-County, Illinois |
| Surname | Kennedy |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Nelson village |
| 1935 Residence (County) | Lee |
| Additional Details | |
| Occupation | attendant |
| Industry | gas station |
| Class of Worker | OA |
| Hours Worked | 84 |
| Income (1939) | 452 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Attendant |
| Township / Ward | Nelson Village |
| Est. Birth Year | ~1904 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Marion Kennedy | Daughter | — | 28 | ~1912 |
| Frank Kennedy | Son | — | 36 | ~1904 |
| Ilanilane Slippersslippere | Other | — | 56 | ~1884 |
| Charlie Judd | Other | — | 54 | ~1886 |
| Anna Kennedy | Head | — | 61 | ~1879 |
Census Appearances
1920
Lee, Illinois
Son, age 16
Lee, Illinois · implied b. ~1904 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Frank B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Lee, Illinois
Son, age 26
Lee, Illinois · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Waiter |
| Industry | Hotel |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Lee-County, Illinois
Son, age 36
Lee-County, Illinois · implied b. ~1904 — 5 household members
| Surname | Kennedy |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Nelson village |
| 1935 Residence (County) | Lee |
| Occupation | attendant |
| Industry | gas station |
| Class of Worker | OA |
| Hours Worked | 84 |
| Income (1939) | 452 |
| Highest Grade | H-4 |
| 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 Frank Kennedy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Kennedy (~0.92 confidence) and father Frank Kennedy (~0.92 confidence) and mother Anna Kennedy (~0.92 confidence) and mother Anna Kennedy (~0.92 confidence) and mother Anna Kennedy (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Kennedy
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Frank Kennedy
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Anna Kennedy
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Anna Kennedy
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Anna Kennedy
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Kennedy
Son · 1940 · age 36 · b. ~1904 · Illinois
★ You are viewing this record
Sibling
Marion Kennedy
Sibling · 1940 · age 28
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 — Lee-County, Illinois
Open full size
1940 US Federal Census — Lee-County, Illinois
Page Contents
5 people indexed on this census page (nara:1940:m-t0627-00836-00816)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna M. Kennedy | 61 | Head | — | Illinois |
| 2 | Frank Kennedy THIS PERSON | 36 | Son | Attendant | Illinois |
| 3 | Marion R. Kennedy | 28 | Daughter | Stenographer | Illinois |
| 4 | Charlie A. Judd | 54 | Boarder | Cook | Iowa |
| 5 | Ilan|Ilane Slippers|Slippere | 56 | Ab. Lodger | Section Man | Italy |
Pedigree Summary
Frank + 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)