JF
John Fitzpatrick — 1940 US Census Record
Model Tree available1940 United States Federal Census · Deer-Lodge-County, Montana
Our Model Tree links this John Fitzpatrick across the 1920, 1930 and 1940 US Censuses in Deer-Lodge-County, Montana (XGBoost, ~Confirmed), with identified parents John & Eugenia — first a son (b.~1916), then head of a 7-person household.
Age 24
b. ~1916
Male
Son
Born: Idaho
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Deer-Lodge-County, Montana |
| Surname | Fitzpatrick |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Anaconda City |
| 1935 Residence (County) | Deer Lodge |
| Additional Details | |
| Occupation | Tippler |
| Industry | Phosphate Mine |
| Class of Worker | PW |
| Hours Worked | 9 |
| Income (1939) | 280 |
| Highest Grade | C 3 |
| 1935 Residence | Same Place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Occupation | Tippler |
| Township / Ward | Anaconda City |
| Est. Birth Year | ~1916 |
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.
7 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 |
| Edward Fitzpatrick | Son | — | 16 | ~1924 |
| John Fitzpatrick | Son | — | 24 | ~1916 |
| Eugene Fitzpatrick | Son | — | 23 | ~1917 |
| Charles Fitzpatrick | Son | — | 18 | ~1922 |
| Marcus Fitzpatrick | Son | — | 21 | ~1919 |
| Eugenia Fitzpatrick | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Deer Lodge, …
Son, age 4
Deer Lodge, Montana · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzpatrick |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Montana |
| Mother's Birthplace | Idaho |
| Occupation | none |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1930
Deer Lodge, …
Son, age 14
Deer Lodge, Montana · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzpatrick |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Montana |
| Mother's Birthplace | Idaho |
| Can Read/Write | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Deer-Lodge-County, Montana
Son, age 24
Deer-Lodge-County, Montana · implied b. ~1916 — 7 household members
| Surname | Fitzpatrick |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Anaconda City |
| 1935 Residence (County) | Deer Lodge |
| Occupation | Tippler |
| Industry | Phosphate Mine |
| Class of Worker | PW |
| Hours Worked | 9 |
| Income (1939) | 280 |
| Highest Grade | C 3 |
| 1935 Residence | Same Place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 mother Eugenia Fitzpatrick (~0.92 confidence) and mother Virginia Fitzpatrick (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Fitzpatrick
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Eugenia Fitzpatrick
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Virginia Fitzpatrick
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Fitzpatrick
Son · 1940 · age 24 · b. ~1916 · Montana
★ You are viewing this record
Sibling
Marcus Fitzpatrick
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Fitzpatrick
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Fitzpatrick
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Fitzpatrick
Sibling · 1940 · age 18
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 — Deer-Lodge-County, Montana
Open full size
1940 US Federal Census — Deer-Lodge-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02217-00710)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anthony Jr Strijich | 30 | Head | Hod Carrier | Montana |
| 2 | Mary C Strijich | 25 | Wife | Waitress | Montana |
| 3 | Arthur M Strijich | 2 | Son | — | Montana |
| 4 | Gerald R Shandy | 27 | Head | Furnace Helper | Montana |
| 5 | Ruth M Shandy | 23 | Wife | Waitress | Nebraska |
| 6 | Cline E Shandy | 2 | Son | — | Montana |
| 7 | Nickolas Popich | 52 | Head | Bricklayer | Austria |
| 8 | John Fitzpatrick | 56 | Head | Painter | Montana |
| 9 | Eugenia Fitzpatrick | 46 | Wife | — | Idaho |
| 10 | John J Fitzpatrick THIS PERSON | 24 | Son | Tippler | Idaho |
| 11 | Eugene F Fitzpatrick | 23 | Son | — | Montana |
| 12 | Marcus Fitzpatrick | 21 | Son | Laborer Surface | Montana |
| 13 | Charles A Fitzpatrick | 18 | Son | — | Montana |
| 14 | Edward J Fitzpatrick | 16 | Son | — | Montana |
| 15 | Frank L Landreville | 34 | Head | Surface Foreman | Montana |
| 16 | Frances Landreville | 32 | Wife | — | Montana |
| 17 | Damas J Landreville | 5 | Son | — | Montana |
| 18 | — | None | — | — | — |
| 19 | Ann Milkovich | 49 | Head | Dishwasher | Montana |
| 20 | Ann Milkovich | 22 | Daughter | Saleswoman | Montana |
| 21 | Joseph J Lescanty | 34 | Head | Laborer Surface | Montana |
| 22 | Sara Lescanty | 26 | Wife | — | Jugoslavia |
| 23 | Lawrence Lescanty | 9 | Son | — | Montana |
| 24 | Martha Lescanty | 6 | Daughter | — | Montana |
| 25 | James J Farrell | 56 | Head | Assistant Foreman | Wisconsin |
| 26 | Irene M Farrell | 50 | Wife | — | Minnesota |
| 27 | Leo B Farrell | 15 | Son | — | Montana |
| 28 | Bertram A Wise | 25 | Head | Laborer Lime Calciner | Montana |
| 29 | Dorothy M Wise | 23 | Wife | — | Montana |
| 30 | Sheryl M Wise | 0 | Daughter | — | Montana |
| 31 | Anthony J Burke | 46 | Head | Bookkeeper Foundry | Montana |
| 32 | Irene M Burke | 45 | Wife | — | Montana |
| 33 | Fred A Burke | 16 | Son | — | Montana |
| 34 | Ruth M Burke | 12 | Daughter | — | Montana |
| 35 | William J Burke | 11 | Son | — | Montana |
| 36 | Robert L Burke | 6 | Son | — | Montana |
| 37 | Dusan Samardich | 52 | Head | — | Jugoslavia |
| 38 | Michael Samardich | 19 | Son | Laborer Roaster | Montana |
| 39 | Extra Lane Samardich | None | — | — | — |
| 40 | Andrew Dimitrovich | 45 | Head | Pipe Fitter | Montana |
Related Census Records
Pedigree Summary
John + 4 siblings
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)