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Margaret Gray — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, Ohio
Our Model Tree links this Margaret Gray across the 1930 and 1940 US Censuses in Mercer-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 9-person household.
Age 17
b. ~1923
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, Ohio |
| Surname | Gray |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Celina |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Celina |
| Est. Birth Year | ~1923 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Betty Gray | Daughter | — | 12 | ~1928 |
| Lela Gray | Daughter | — | 28 | ~1912 |
| Charles Gray | Head | — | 58 | ~1882 |
| Margaret Gray | Daughter | — | 17 | ~1923 |
| Larry Gray | Son | — | 6 | ~1934 |
| Jenny Gray | Spouse | — | 49 | ~1891 |
| Velma Gray | Daughter | — | 15 | ~1925 |
| Mary Gray | Daughter | — | 20 | ~1920 |
| Richard Gray | Son | — | 9 | ~1931 |
Census Appearances
1930
Mercer, Ohio
Daughter, age 7
Mercer, Ohio · implied b. ~1923 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Mercer-County, Ohio
Daughter, age 17
Mercer-County, Ohio · implied b. ~1923 — 9 household members
| Surname | Gray |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Celina |
| 1935 Residence (County) | Mercer |
| Highest Grade | H 1 |
| 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 Margaret Gray across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Gray
Daughter · 1940 · age 17 · b. ~1923 · Ohio
★ You are viewing this record
Sibling
Larry Gray
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Velma Gray
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Gray
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Gray
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lela Gray
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Gray
Sibling · 1940 · age 20
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 — Mercer-County, Ohio
Open full size
1940 US Federal Census — Mercer-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03114-00467)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Esther Unger | 44 | Wife | — | Ohio |
| 42 | Doris Lou Unger | 15 | Daughter | — | Ohio |
| 43 | David Unger | 15 | Son | — | Ohio |
| 44 | Roy Unger | 13 | Son | — | Ohio |
| 45 | Lawrence Unger | 8 | Son | — | Ohio |
| 46 | Homer Meyers | 35 | Head | Laborer | Ind |
| 47 | Frances M. Meyers | 31 | Wife | — | Ind |
| 48 | Judith Ann Meyers | 1 | Daughter | — | Ohio |
| 49 | Vance Buckmaster | 24 | Head | Laborer | Ind |
| 50 | John P. Bortner | 60 | Head | — | Ohio |
| 51 | Jerry Hackenberry | 65 | Head | — | Ind |
| 52 | Mary Hackenberry | 68 | Wife | — | Ohio |
| 53 | Ruth E. Ammel | 73 | Head | — | Ohio |
| 54 | Edward Gray | 64 | Head | Janitor | Ohio |
| 55 | Huldah Gray | 65 | Wife | — | Ohio |
| 56 | Kenton Heater | 22 | Nephew | Bus Driver | Ohio |
| 57 | Harvey R. Rogers | 25 | Head | Loader | Ohio |
| 58 | Leola M. Rogers | 24 | Wife | — | Ohio |
| 59 | Joan L. Rogers | 3 | Daughter | — | Ohio |
| 60 | Herman O. Rogers | 3 | Son | — | Ohio |
| 61 | Ellen May | 71 | Head | — | Ohio |
| 62 | Kelton Uhr | 32 | Son-in-law | Butcher | Ohio |
| 63 | Mildred Uhr | 31 | Daughter | Saleswoman | Ohio |
| 64 | Milo A. Beams | 31 | Head | Laborer | Ohio |
| 65 | Flossie Beams | 29 | Wife | Laborer | Ohio |
| 66 | Junie Lee Beams | 5 | Son | — | Ohio |
| 67 | Charles Gray | 58 | Head | Laborer | Ohio |
| 68 | Jenny Gray | 49 | Wife | — | Ohio |
| 69 | Lela Gray | 28 | Daughter | — | Ohio |
| 70 | Mary Ellen Gray | 20 | Daughter | — | Ohio |
| 71 | Margaret Gray THIS PERSON | 17 | Daughter | — | Ohio |
| 72 | Velma Gray | 15 | Daughter | — | Ohio |
| 73 | Betty Gray | 12 | Daughter | — | Ohio |
| 74 | Richard Gray | 9 | Son | — | Ohio |
| 75 | Larry Wayne Gray | 6 | Son | — | Ohio |
| 76 | Charles A. Troy | 25 | Head | Clerk | Ohio |
| 77 | Mary Troy | 24 | Wife | — | Ohio |
| 78 | Clifford Troy | 6 | Son | — | Ohio |
| 79 | Lou Bricker | 52 | Mother-in-law | Laborer | Ohio |
| 80 | Ralph S. Wolf | 34 | Head | Truck Driver | 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)