JG
John Gregory — 1940 US Census Record
Model Tree available1940 United States Federal Census · Buchanan-County, Missouri
Our Model Tree links this John Gregory across the 1920, 1930 and 1940 US Censuses in Buchanan-County, Missouri (XGBoost, ~Confirmed), with identified parents Isaac & Elisha — first a son (b.~1918), then head of a 8-person household.
Age 22
b. ~1918
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Buchanan-County, Missouri |
| Surname | Gregory |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Buchanan |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Laborer |
| Township / Ward | Tremont Twp |
| Est. Birth Year | ~1918 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Virginia Gregory | Daughter | — | 18 | ~1922 |
| W Gregory | Head | — | 51 | ~1889 |
| Leonard Gregory | Son | — | 16 | ~1924 |
| John Gregory | Son | — | 22 | ~1918 |
| Clifford Gregory | Son | — | 12 | ~1928 |
| Ray Gregory | Son | — | 20 | ~1920 |
| Joyhallen Gregory | Son | — | 14 | ~1926 |
| Ally Gregory | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Buchanan, Missouri
Son, age 1
Buchanan, Missouri · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gregory |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Buchanan, Missouri
Son, age 12
Buchanan, Missouri · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gregory |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Buchanan-County, Missouri
Son, age 22
Buchanan-County, Missouri · implied b. ~1918 — 8 household members
| Surname | Gregory |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Buchanan |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Gregory across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Isaac Gregory (~0.92 confidence) and father Elisha Gregory (~0.92 confidence) and father W Gregory (~0.92 confidence) and mother Ally Gregory (~0.92 confidence) and mother Ruth Gregory (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Isaac Gregory
b. ~1859
Source father
● Household
· direct · ~0.92
Father
Elisha Gregory
b. ~1886
Source father
● Household
· direct · ~0.92
Father
W Gregory
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Ally Gregory
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Ruth Gregory
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Gregory
Son · 1940 · age 22 · b. ~1918 · Missouri
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Sibling
Virginia Gregory
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Gregory
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Gregory
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joyhallen Gregory
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Gregory
Sibling · 1940 · age 16
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 — Buchanan-County, Missouri
Open full size
1940 US Federal Census — Buchanan-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02087-00260)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alma Mcdowell | 9 | Daughter | — | Missouri |
| 2 | Jewell Mcdowell | 8 | Son | — | Missouri |
| 3 | W. D. Gregory | 51 | Head | Farmer | Missouri |
| 4 | Ally L. Gregory | 50 | Wife | — | Missouri |
| 5 | John Gregory THIS PERSON | 22 | Son | Laborer | Missouri |
| 6 | Ray Ab. Gregory | 20 | Son | Laborer | Missouri |
| 7 | Virginia Gregory | 18 | Daughter | — | Missouri |
| 8 | Leonard Gregory | 16 | Son | Laborer | Missouri |
| 9 | Joyhallen Gregory | 14 | Son | Laborer | Missouri |
| 10 | Clifford Lee Gregory | 12 | Son | — | Missouri |
| 11 | John A. Gregory | 45 | Head | Doctor | Missouri |
| 12 | Grace Gregory | 39 | Wife | — | Missouri |
| 13 | Erma Jean Gregory | 16 | Daughter | — | Missouri |
| 14 | Howard Gregory | 12 | Son | — | Missouri |
| 15 | Anna Bretz | 55 | Head | — | Missouri |
| 16 | Noah H. Wood | 43 | Head | Farmer | Missouri |
| 17 | Nellie Wood | 37 | Wife | — | Missouri |
| 18 | Lois Wood | 15 | Daughter | — | Missouri |
| 19 | R. E. Trotter | 65 | Head | Farmer | Missouri |
| 20 | Ester Trotter | 32 | Daughter | — | Missouri |
| 21 | Clarence Mccray | 35 | Head | Farmer | Missouri |
| 22 | Ruth Mccray | 34 | Wife | — | Missouri |
| 23 | W. W. Faler | 72 | Head | Farmer | Missouri |
| 24 | Julia Faler | 61 | Wife | — | Missouri |
| 25 | Clyde Faler | 24 | Son | Laborer | Missouri |
| 26 | Claud Faler | 24 | Son | Laborer | Missouri |
| 27 | E. E. Deakins | 63 | Head | Farmer | Missouri |
| 28 | Emma Deakins | 63 | Wife | — | Missouri |
| 29 | Forest Holt | 20 | Son | Farmer | Missouri |
| 30 | Vernon Holt | 18 | Grandson | Laborer | Missouri |
| 31 | Clifton Miles | 44 | Head | Laborer | Kansas |
| 32 | Mary Miles | 40 | Wife | — | Missouri |
| 33 | Dan Tyler | 69 | Head | Farmer | Missouri |
| 34 | Stanley Huse | 49 | Head | Farmer | Missouri |
| 35 | Frances Huse | 42 | Wife | — | Missouri |
| 36 | Lee Huse | 22 | Son | Laborer | Missouri |
| 37 | Vernon Huse | 18 | Son | Laborer | Missouri |
| 38 | Robert Huse | 16 | Son | Laborer | Missouri |
| 39 | J. D. Anderson | 78 | Head | Farmer | Illinois |
| 40 | Beulah Anderson | 39 | Daughter | — | Missouri |
Pedigree Summary
John + 5 siblings
Gen 1 · 5 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)