JF
John Fitzpatrick — 1940 US Census Record
Model Tree available1940 United States Federal Census · Will-County, Illinois
Our Model Tree links this John Fitzpatrick across the 1920, 1930 and 1940 US Censuses in Will-County, Illinois (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Will-County, Illinois |
| Surname | Fitzpatrick |
| Given Name | John Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Channahon Township |
| 1935 Residence (County) | Will |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Channahon Township |
| Est. Birth Year | ~1919 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Fitzpatrick | Head | — | 56 | ~1884 |
| Joseph Fitzpatrick | Son | — | 24 | ~1916 |
| John Fitzpatrick | Son | — | 21 | ~1919 |
Census Appearances
1920
Will, Illinois
Son, age 1
Will, Illinois · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzpatrick |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Will, Illinois
Son, age 11
Will, Illinois · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzpatrick |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Will-County, Illinois
Son, age 21
Will-County, Illinois · implied b. ~1919 — 3 household members
| Surname | Fitzpatrick |
| Given Name | John Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Channahon Township |
| 1935 Residence (County) | Will |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Highest Grade | No 8 |
| 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 John Fitzpatrick across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Fitzpatrick (~0.92 confidence) and father John Fitzpatrick (~0.92 confidence) and mother Mary Fitzpatrick (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Fitzpatrick
b. ~1883
Source father
● Household
· direct · ~0.92
Father
John Fitzpatrick
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Mary Fitzpatrick
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Fitzpatrick
Son · 1940 · age 21 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Joseph Fitzpatrick
Sibling · 1940 · age 24
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 — Will-County, Illinois
Open full size
1940 US Federal Census — Will-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00907-00024)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Raymond Ellenwood | 30 | Head | Press Man | Iowa |
| 2 | Evelyn Ellenwood | 29 | Wife | — | Illinois |
| 3 | Billy Ray Ellenwood | 2 | Son | — | Illinois |
| 4 | Laverne Corbin | 30 | Head | Fuel Engineer | Illinois |
| 5 | Ruth Corbin | 30 | Wife | Air Brush Operator | Illinois |
| 6 | Mileen Corbin | 7 | Son | — | Illinois |
| 7 | Arthur Greiger | 45 | Head | — | Illinois |
| 8 | Cassie Greiger | 40 | Wife | — | Illinois |
| 9 | Noel Greiger | 28 | Son | Laborer | Illinois |
| 10 | Arthur Cavanaugh | 34 | Head | Operator | Illinois |
| 11 | Mae Finley | 55 | Aunt | — | Illinois |
| 12 | Joe Drout | 64 | Head | Operator | Illinois |
| 13 | Lillian Drout | 30 | Daughter | — | Illinois |
| 14 | Alice Drout | 13 | Daughter | — | Illinois |
| 15 | James Taffner | 32 | Head | Operator | Illinois |
| 16 | Lavonne Taffner | 26 | Wife | — | Michigan |
| 17 | Ruth Taffner | 8 | Daughter | — | Michigan |
| 18 | John Taffner | 1 | Son | — | Michigan |
| 19 | James Taffner | None | Son | — | Illinois |
| 20 | Jacob Schafer | 63 | Head | Operator | Germany |
| 21 | Ida Schafer | 51 | Wife | — | Germany |
| 22 | Elizabeth Schafer | 27 | Daughter | Maid | Iowa |
| 23 | George Schafer | 17 | Son | Laborer | Illinois |
| 24 | Clark Schafer | 16 | Daughter | — | Illinois |
| 25 | Marguerite Schafer | 13 | Daughter | — | Illinois |
| 26 | Eunice Schafer | 10 | Daughter | — | Illinois |
| 27 | Robert Cushing | 44 | Head | Operator | Illinois |
| 28 | Rose Cushing | 42 | Wife | — | Illinois |
| 29 | Robert Jr Cushing | 23 | Son | Truck Driver | Illinois |
| 30 | Cyril Cushing | 20 | Son | Laborer | Illinois |
| 31 | Marjorie Cushing | 19 | Daughter | — | Illinois |
| 32 | Rita Cushing | 16 | Daughter | — | Illinois |
| 33 | Milford Cushing | 14 | Son | — | Illinois |
| 34 | Dorothy Cushing | 12 | Daughter | — | Illinois |
| 35 | Rose Ann Cushing | 10 | Daughter | — | Illinois |
| 36 | George Cushing | 6 | Son | — | Illinois |
| 37 | Mary Cushing | 4 | Daughter | — | Illinois |
| 38 | John Fitzpatrick | 56 | Head | Manager | Illinois |
| 39 | Joseph Fitzpatrick | 24 | Son | Operator | Illinois |
| 40 | John Jr Fitzpatrick THIS PERSON | 21 | Son | Laborer | Illinois |
Pedigree Summary
John + 1 sibling
Gen 1 · 3 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)