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John Grady — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lucas-County, Ohio
Our Model Tree links this John Grady across the 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 10-person household.
Age 14
b. ~1926
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Ohio |
| Surname | Grady |
| Given Name | John V. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo City |
| 1935 Residence (County) | Lucas |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Toledo City |
| Est. Birth Year | ~1926 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Joseph Grady | Son | — | 8 | ~1932 |
| Thomas Grady | Son | — | 13 | ~1927 |
| Eileen Grady | Daughter | — | 16 | ~1924 |
| Edward Grady | Son | — | 4 | ~1936 |
| James Grady | Son | — | 20 | ~1920 |
| Patrick Grady | Head | — | 54 | ~1886 |
| William Grady | Son | — | 11 | ~1929 |
| Mary Grady | Daughter | — | 18 | ~1922 |
| Anna Grady | Spouse | — | 46 | ~1894 |
| John Grady | Son | — | 14 | ~1926 |
Census Appearances
1930
Lucas, Ohio
Son, age 4
Lucas, Ohio · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grady |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lucas-County, Ohio
Son, age 14
Lucas-County, Ohio · implied b. ~1926 — 10 household members
| Surname | Grady |
| Given Name | John V. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo City |
| 1935 Residence (County) | Lucas |
| Highest Grade | 8 |
| 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 John Grady across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Grady
Son · 1940 · age 14 · b. ~1926 · Ohio
★ You are viewing this record
Sibling
Mary Grady
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Grady
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Grady
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Grady
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Grady
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Grady
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Grady
Sibling · 1940 · age 8
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 — Lucas-County, Ohio
Open full size
1940 US Federal Census — Lucas-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03263-00556)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Leona F. Gutridge | 67 | Wife | — | Ohio |
| 42 | Carl R. Cantrick | 57 | Head | Yard Master | Michigan |
| 43 | Fannie M. Cantrick | 57 | Wife | — | England |
| 44 | Charles K. Whisman | 51 | Head | — | Virginia |
| 45 | Maude B. Whisman | 50 | Wife | — | Virginia |
| 46 | Charles K. Son Whisman | 26 | Son | Truck Driver | Virginia |
| 47 | Virginia E. Lowe | 12 | daughter | — | Ohio |
| 48 | Fred R. Miller | 63 | Head | Molder | Ohio |
| 49 | Clara D. Miller | 58 | Wife | — | Ohio |
| 50 | Frank D. Dunbar | 73 | Head | — | New York |
| 51 | Roy E. Welch | 50 | Head | Car Inspector | Illinois |
| 52 | Susie M. Welch | 50 | Wife | — | Kentucky |
| 53 | Orville Lee Welch | 16 | son | — | Illinois |
| 54 | Harry Granger | 54 | Head | Locomotive Engineer | Michigan |
| 55 | Susan A. Granger | 54 | Wife | — | Michigan |
| 56 | James A. Wilson | 46 | Head | Yard Master | Pennsylvania |
| 57 | Catherine Wilson | 46 | Wife | — | Ireland |
| 58 | Sadie Curran | 22 | daughter | Beauty Oper. | Ohio |
| 59 | Margaret Wilson | 18 | daughter | — | Ohio |
| 60 | Bernadette Wineland | 24 | daughter | Inspector | Ohio |
| 61 | Joan Wineland | 5 | granddaughter | — | Ohio |
| 62 | Bernard Wineland | 5 | grandson | — | Ohio |
| 63 | Wellington R. Fox | 67 | Head | — | Ohio |
| 64 | Clara Belle Fox | 67 | Wife | — | Michigan |
| 65 | Ita May Fox | 70 | sister | — | Ohio |
| 66 | Patrick Grady | 54 | Head | Locomotive Engineer | New York |
| 67 | Anna Grady | 46 | Wife | — | Ireland |
| 68 | James Grady | 20 | son | Salesman | Ohio |
| 69 | Mary K. Grady | 18 | daughter | — | Ohio |
| 70 | Eileen A. Grady | 16 | daughter | — | Ohio |
| 71 | John V. Grady THIS PERSON | 14 | son | — | Ohio |
| 72 | Thomas F. Grady | 13 | son | — | Ohio |
| 73 | William R. Grady | 11 | son | — | Ohio |
| 74 | Joseph M. Grady | 8 | son | — | Ohio |
| 75 | Edward D. Grady | 4 | son | — | Ohio |
| 76 | Charles Glesser | 48 | Head | Shop Foreman | Ohio |
| 77 | Madge W. Glesser | 46 | wife | — | Ohio |
| 78 | Donald G. Glesser | 21 | son | — | Ohio |
| 79 | Rodney E. Glesser | 18 | son | — | Michigan |
| 80 | Grover D. Hill | 54 | Head | Inspector | 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)