TC
Thomas Casey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allen-County, Ohio
Our Model Tree links this Thomas Casey across the 1930 and 1940 US Censuses in Allen-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 11-person household.
Age 15
b. ~1925
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allen-County, Ohio |
| Surname | Casey |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lima |
| 1935 Residence (County) | Allen |
| Additional Details | |
| Highest Grade | G-8 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Lima |
| Est. Birth Year | ~1925 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Mary Casey | Daughter | — | 18 | ~1922 |
| Thomas Casey | Son | — | 15 | ~1925 |
| Michael Casey | Head | — | 62 | ~1878 |
| Francis Casey | Son | — | 12 | ~1928 |
| Rose Casey | Daughter | — | 22 | ~1918 |
| Alonzo Casey | Son | — | 20 | ~1920 |
| Catherine Casey | Daughter | — | 16 | ~1924 |
| Richard Casey | Son | — | 10 | ~1930 |
| Daniel Casey | Son | — | 26 | ~1914 |
| William Casey | Son | — | 13 | ~1927 |
| Kathryn Casey | Spouse | — | 52 | ~1888 |
Census Appearances
1930
Allen, Ohio
Son, age 5
Allen, Ohio · implied b. ~1925 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | Thomas J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Allen-County, Ohio
Son, age 15
Allen-County, Ohio · implied b. ~1925 — 11 household members
| Surname | Casey |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lima |
| 1935 Residence (County) | Allen |
| Highest Grade | G-8 |
| 1935 Residence | Same house |
| 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 Casey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Casey
Son · 1940 · age 15 · b. ~1925 · Ohio
★ You are viewing this record
Sibling
Rose Casey
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Casey
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Casey
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Casey
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Casey
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Casey
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alonzo Casey
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Casey
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 — Allen-County, Ohio
Open full size
1940 US Federal Census — Allen-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03020-00566)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carl Zimmerman | 38 | Head | Clerk | Ohio |
| 42 | Madeline Zimmerman | 31 | Wife | — | Ohio |
| 43 | Mary C. Zimmerman | 12 | Daughter | — | Ohio |
| 44 | Betty Zimmerman | 10 | Daughter | — | Ohio |
| 45 | Lillian Zimmerman | 9 | Daughter | — | Ohio |
| 46 | Clifford Zimmerman | 7 | Son | — | Ohio |
| 47 | Carl Zimmerman | 2 | Son | — | Ohio |
| 48 | Irvin Hubert | 31 | Lodger | Attendant | Ohio |
| 49 | Irma Dilsenage|Dilsenayer | 63 | Head | — | Ohio |
| 50 | Loren Weidel | 42 | Son | Laborer | Ohio |
| 51 | Francisco Valenti | 45 | Head | — | Italy |
| 52 | Goldie Valenti | 32 | Wife | Housekeeping Aid | Ohio |
| 53 | Lucille Valenti | 14 | Daughter | — | Ohio |
| 54 | Leroy Valenti | 13 | Son | — | Ohio |
| 55 | Charles W. Harruff | 62 | Head | Carpenter | Ohio |
| 56 | Otto Kirchner | 26 | Son-in-law | Welder | Ohio |
| 57 | Donna Kirchner | 28 | Daughter | — | Ohio |
| 58 | Marie Kirchner | 4 | Granddaughter | — | Ohio |
| 59 | Norma Kirchner | 2 | Granddaughter | — | Ohio |
| 60 | John L. Evers | 48 | Head | Truck Driver | Virginia |
| 61 | Loretta Evers | 38 | Wife | — | New York |
| 62 | Martha J. Evers | 19 | Daughter | Sewing | Ohio |
| 63 | George D. Evers | 18 | Son | — | Ohio |
| 64 | Gerald E. Evers | 15 | Son | — | Ohio |
| 65 | Lloyd E. Evers | 10 | Son | — | Ohio |
| 66 | Quillar Lawrence | 42 | Head | Laborer | Ohio |
| 67 | Lorna Lawrence | 48 | Wife | — | Ohio |
| 68 | Martha Zerkelrose | 20 | Daughter | New Worker | Ohio |
| 69 | Levi Lawrence | 82 | Father | — | Ohio |
| 70 | Michael Casey | 62 | Head | — | Ohio |
| 71 | Kathryn Casey | 52 | Wife | — | Ohio |
| 72 | Daniel S. Casey | 26 | Son | Laborer | Ohio |
| 73 | Alonzo Casey | 20 | Son | Laborer | Ohio |
| 74 | Rose E. Casey | 22 | Daughter | New Worker | Ohio |
| 75 | Mary M. Casey | 18 | Daughter | — | Ohio |
| 76 | Catherine Casey | 16 | Daughter | Maid | Ohio |
| 77 | Thomas Casey THIS PERSON | 15 | Son | — | Ohio |
| 78 | William Casey | 13 | Son | — | Ohio |
| 79 | Francis Casey | 12 | Son | — | Ohio |
| 80 | Richard Casey | 10 | Son | — | Ohio |
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)