JF
John Fitzpatrick — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this John Fitzpatrick across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 11-person household.
Age 22
b. ~1918
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Fitzpatrick |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Driver |
| Industry | Wine Co. |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 180 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Driver |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1918 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Alice Fitzpatrick | Daughter | — | 16 | ~1924 |
| Mathilda Fitzpatrick | Daughter | — | 9 | ~1931 |
| Margaret Fitzpatrick | Daughter | — | 11 | ~1929 |
| Mary Fitzpatrick | Daughter | — | 18 | ~1922 |
| Thomas Fitzpatrick | Head | — | 51 | ~1889 |
| Thomas Fitzpatrick | Son | — | 7 | ~1933 |
| James Fitzpatrick | Son | — | 20 | ~1920 |
| David Fitzpatrick | Son | — | 13 | ~1927 |
| Richard Fitzpatrick | Son | — | 23 | ~1917 |
| John Fitzpatrick | Son | — | 22 | ~1918 |
| Margaret Fitzpatrick | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Wayne, Michigan
Son, age 12
Wayne, Michigan · implied b. ~1918 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzpatrick |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 22
Wayne-County, Michigan · implied b. ~1918 — 11 household members
| Surname | Fitzpatrick |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Occupation | Driver |
| Industry | Wine Co. |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 180 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Fitzpatrick
Son · 1940 · age 22 · b. ~1918 · Michigan
★ You are viewing this record
Sibling
James Fitzpatrick
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Fitzpatrick
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Fitzpatrick
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Fitzpatrick
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Fitzpatrick
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mathilda Fitzpatrick
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Fitzpatrick
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Fitzpatrick
Sibling · 1940 · age 11
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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01890-00381)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jean Desmond | 16 | Daughter | — | Michigan |
| 42 | Emilie J. Mitchell | 47 | Head | — | Indiana |
| 43 | Lois Jansen | 77 | Mother | — | Bavaria |
| 44 | Selma Mcmaster | 58 | Roomer | — | Mississippi |
| 46 | William Frost | 56 | Head | Body Builder | Michigan |
| 47 | Charlotte Frost | 49 | Wife | — | Canada |
| 48 | Paul Fitzpatrick | 24 | Head | Driver | Michigan |
| 49 | Geraldine Fitzpatrick | 23 | Wife | — | Michigan |
| 50 | Rose Mary Fitzpatrick | 1 | Daughter | — | Michigan |
| 51 | Thomas Fitzpatrick | 51 | Head | Painter | Michigan |
| 52 | Margaret Fitzpatrick | 44 | Wife | — | Michigan |
| 53 | Richard Fitzpatrick | 23 | Son | Cook | Michigan |
| 54 | John Fitzpatrick THIS PERSON | 22 | Son | Driver | Michigan |
| 55 | James Fitzpatrick | 20 | Son | New Worker | Michigan |
| 56 | Mary Ann Fitzpatrick | 18 | Daughter | — | Michigan |
| 57 | Alice Fitzpatrick | 16 | Daughter | — | Michigan |
| 58 | David Fitzpatrick | 13 | Son | — | Michigan |
| 59 | Margaret Fitzpatrick | 11 | Daughter | — | Michigan |
| 60 | Mathilda Fitzpatrick | 9 | Daughter | — | Michigan |
| 61 | Thomas Fitzpatrick | 7 | Son | — | Michigan |
| 62 | Thomas Goud | 41 | Head | Policeman | Virginia |
| 63 | Hazel Goud | 45 | Wife | — | Illinois |
| 64 | Ralph Hill | 40 | Head | Die Sinker | Michigan |
| 65 | Ethel Hill | 38 | Wife | — | Massachusetts |
| 66 | William Hill | 6 | Son | — | Michigan |
| 67 | Bertha Streeter | 57 | Mother in law | — | Massachusetts |
| 68 | Andrew Boering | 38 | Head | Police Man | Michigan |
| 69 | Sybil Boering | 38 | Wife | — | Indiana |
| 70 | Joy Lynn Boering | 3 | Daughter | — | Michigan |
| 71 | Elmer Tessmer | 36 | Head | Die Maker | Michigan |
| 72 | Ethel Tessmer | 32 | Wife | — | Michigan |
| 73 | George Tessmer | 12 | Son | — | Michigan |
| 74 | Sally Tessmer | 11 | Daughter | — | Michigan |
| 75 | Alfred Hedrick | 42 | Head | Construction | Michigan |
| 76 | Eva Hedrick | 34 | Wife | — | Michigan |
| 77 | Elaine Robinson | 16 | Daughter | — | Michigan |
| 78 | Chester Marshall | 32 | Head | Foreman | Kentucky |
| 79 | Irene Marshall | 32 | Wife | — | Kentucky |
| 80 | Betty Marshall | 12 | Daughter | — | Michigan |
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)