WG
William Gray — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lucas-County, Ohio
Our Model Tree links this William Gray across the 1920, 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed), with identified parents Edward & Catherine — first a head (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Ohio |
| Surname | Gray |
| Given Name | William D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Toledo |
| 1935 Residence (County) | Lucas |
| Naturalization Status | Alien |
| Additional Details | |
| Occupation | Truck-Driver |
| Industry | Transport Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1205 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Truck-Driver |
| Township / Ward | Toledo |
| Est. Birth Year | ~1910 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Darlene Gray | Daughter | — | 2 | ~1938 |
| William Gray | Head | — | 30 | ~1910 |
| William Gray | Son | — | 3 | ~1937 |
| Marvin Gray | Son | — | 6 | ~1934 |
| Mildred Gray | Spouse | — | 27 | ~1913 |
Census Appearances
1920
Lucas, Ohio
Son, age 9
Lucas, Ohio · implied b. ~1911 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1914 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Year of Naturalization | 1919 |
| Birthplace (normalized) | scotland |
1930
Lucas, Ohio
Son, age 20
Lucas, Ohio · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Alien |
| Year of Immigration | 1914 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Mechanic |
| Industry | Automobile |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Lucas-County, Ohio
Head, age 30
Lucas-County, Ohio · implied b. ~1910 — 5 household members
| Surname | Gray |
| Given Name | William D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Toledo |
| 1935 Residence (County) | Lucas |
| Naturalization Status | Alien |
| Occupation | Truck-Driver |
| Industry | Transport Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1205 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 William Gray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Gray (~0.92 confidence) and mother Catherine Gray (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Gray
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Catherine Gray
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Gray
Head · 1940 · age 30 · b. ~1910 · Ohio
★ You are viewing this record
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
38 people indexed on this census page (nara:1940:m-t0627-03266-00186)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marion Middaugh | 33 | Head | Iron Worker | Michigan |
| 42 | Helen Middaugh | 24 | Wife | — | Ohio |
| 43 | Marilyn Middaugh | 4 | Daughter | — | Ohio |
| 44 | Mary Couture | 58 | Mother-in-law | — | Ohio |
| 45 | Michael Kinney | 66 | Head | Mechanic | Eire |
| 46 | William D. Gray THIS PERSON | 30 | Head | Truck-Driver | Scotland |
| 47 | Mildred V. Gray | 27 | Wife | — | Ohio |
| 48 | Marvin L. Gray | 6 | Son | — | Ohio |
| 49 | William Gray | 3 | Son | — | Ohio |
| 50 | Darlene E. Gray | 2 | Daughter | — | Ohio |
| 51 | Clarence Irwin | 62 | Head | Attorney | Ohio |
| 52 | Claudia Irwin | 61 | Wife | — | Ohio |
| 53 | Abigail E. Irwin | 24 | Daughter | Teacher | Ohio |
| 54 | Josephine E. Irwin | 22 | Daughter | Nurse | Ohio |
| 55 | Sarah E. Cantrell | 81 | Head | — | Pennsylvania |
| 56 | Clarence V. Nagel | 56 | Head | Electrotyper | Ohio |
| 57 | Ida E. Nagel | 55 | Wife | — | Ohio |
| 58 | Mary Ann Nagel | 19 | Daughter | — | Ohio |
| 59 | John J. Nagel | 18 | Son | — | Ohio |
| 60 | Elizabeth Brown | 65 | Head | — | Georgia |
| 61 | Elizabeth Brown | 42 | Daughter | Sales Lady | Tennessee |
| 62 | Alberta Brown | 13 | Daughter | — | Toledo |
| 63 | Edward R. Graue | 63 | Head | Upholsterer | Ohio |
| 64 | Mary E. Graue | 64 | Wife | — | Ohio |
| 65 | George S. Beyer | 49 | Head | Medical Doctor | Ohio |
| 66 | Esther L. Beyer | 45 | Wife | — | Ohio |
| 67 | George S. Jr. Beyer | 20 | Son | — | Ohio |
| 68 | John H. Mollenhock | 78 | Father-in-law | Store Clerk | Germany |
| 70 | Louis L. Angerine | 42 | Head | Salesman | Michigan |
| 71 | Margaret E. Angerine | 37 | Wife | — | Ohio |
| 72 | James D. Angerine | 11 | Son | — | Ohio |
| 73 | Mary Lou Angerine | 5 | Daughter | — | Ohio |
| 74 | John Willard Parker | 39 | Head | Pharmacist | Ohio |
| 75 | Elvera D. Parker | 35 | Wife | — | Ohio |
| 77 | Herbert J. Minke | 31 | Head | Teller | Ohio |
| 78 | Caroline Minke | 28 | Wife | — | Ohio |
| 79 | Herbert G. Jr. Minke | 6 | Son | — | Ohio |
| 80 | John Albert Minke | 0 | Son | — | Ohio |
Related Census Records
Pedigree Summary
William
Gen 1 · 2 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)