TF
Thomas Fitzpatrick — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this Thomas Fitzpatrick across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed), with identified parents F & Kevin — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Fitzpatrick |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton City |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Clerk |
| Industry | Paint Firm |
| Class of Worker | PW |
| Income (1939) | 780 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Clerk |
| Township / Ward | Dayton City |
| Est. Birth Year | ~1917 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Fitzpatrick | Son | — | 3 | ~1937 |
| Harriet Fitzpatrick | Spouse | — | 52 | ~1888 |
| Kevin Fitzpatrick | Head | — | 53 | ~1887 |
| Lois Fitzpatrick | Daughter | — | 21 | ~1919 |
| Thomas Fitzpatrick | Son | — | 23 | ~1917 |
Census Appearances
1920
Montgomery, Ohio
Son, age 2
Montgomery, Ohio · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzpatrick |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | New York |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Montgomery, Ohio
Son, age 13
Montgomery, Ohio · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzpatrick |
| Given Name | Thomas J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Montgomery-County, Ohio
Son, age 23
Montgomery-County, Ohio · implied b. ~1917 — 5 household members
| Surname | Fitzpatrick |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton City |
| 1935 Residence (County) | Montgomery |
| Occupation | Clerk |
| Industry | Paint Firm |
| Class of Worker | PW |
| Income (1939) | 780 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Thomas Fitzpatrick across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father F Fitzpatrick (~0.92 confidence) and father Kevin Fitzpatrick (~0.92 confidence) and mother Harriet Fitzpatrick (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
F Fitzpatrick
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Kevin Fitzpatrick
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Harriet Fitzpatrick
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Fitzpatrick
Son · 1940 · age 23 · b. ~1917 · Ohio
★ You are viewing this record
Sibling
Thomas Fitzpatrick
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Fitzpatrick
Sibling · 1940 · age 21
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 — Montgomery-County, Ohio
Open full size
1940 US Federal Census — Montgomery-County, Ohio
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-03252-00322)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James D. Parker | 46 | Head | Salesman | Ohio |
| 42 | Mary Parker | 40 | Wife | — | Indiana |
| 43 | F. C. Riggs | 36 | Head | Salesman | Alabama |
| 44 | Josephine Riggs | 31 | Wife | — | Tennessee |
| 45 | Martin S. Zeis | 32 | Head | Salesman | Michigan |
| 46 | Charlene D. Zeis | 34 | Wife | — | Michigan |
| 47 | Martha Jane Zeis | 1 | Daughter | — | Ohio |
| 48 | Rockwell Woodward | 42 | Head | Mechanical Engineer | Kentucky |
| 49 | Lillian Woodward | 37 | Wife | — | Kentucky |
| 50 | Ruth Castle | 54 | Mother-in-law | — | Kentucky |
| 51 | Daniel G. Smith | 29 | Head | Janitor | Tennessee |
| 52 | Fannie Smith | 28 | Wife | — | Kentucky |
| 53 | William Ostman | 66 | Head | Proprietor | Ohio |
| 54 | Daisy M. Ostman | 61 | Wife | — | Ohio |
| 57 | Harry L. Gadbury | 49 | Head | Commercial Artist | Ohio |
| 58 | Maude M. Gadbury | 47 | Wife | — | Ohio |
| 59 | Joan Gadbury | 11 | Daughter | — | Ohio |
| 60 | Jean Gadbury | 9 | Daughter | — | Ohio |
| 61 | Emma Jones | 82 | Head | — | Ohio |
| 62 | Martha Ann Jones | 42 | Daughter | Librarian | Ohio |
| 63 | David Jones | 18 | Grandson | Laborer | Ohio |
| 64 | O. W. Bloom | 65 | Head | Manager | Michigan |
| 65 | Lilly E. Bloom | 64 | Wife | — | Virginia |
| 66 | R. Earl Bloom | 41 | Son | Manager | Ohio |
| 67 | Donald Bloom | 22 | Son | Manager | Ohio |
| 69 | Kevin Fitzpatrick | 53 | Head | Sales Promotion Manager | Ohio |
| 70 | Harriet Fitzpatrick | 52 | Wife | — | New York |
| 71 | Thomas Fitzpatrick THIS PERSON | 23 | Son | Clerk | Ohio |
| 72 | Lois Fitzpatrick | 21 | Daughter | — | Ohio |
| 73 | Thomas Jr. Fitzpatrick | 3 | Son | — | Ohio |
| 74 | Edward G. Fox | 46 | Head | Lawyer | Pennsylvania |
| 75 | Mary L. Fox | 45 | Wife | — | Delaware |
| 76 | Jerry F. Fox | 16 | Daughter | — | Ohio |
| 77 | Joseph L. Ensley | 37 | Head | Chemist | Ohio |
| 78 | Beulah M. Ensley | 39 | Wife | — | Ohio |
| 79 | John R. Ensley | 14 | Son | — | Ohio |
| 80 | Joan Ensley | 11 | Daughter | — | Ohio |
Search for Thomas Fitzpatrick
All Thomas Fitzpatrick Census Records Discover Fitzpatrick Family TreePedigree Summary
Thomas + 2 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)