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John May — 1940 US Census Record
Model Tree available1940 United States Federal Census · Greene-County, Ohio
Our Model Tree links this John May across the 1920, 1930 and 1940 US Censuses in Greene-County, Ohio (XGBoost, ~Confirmed), with identified parents Arden & Elmer — first a son (b.~1920), then head of a 3-person household.
Age 20
b. ~1920
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Greene-County, Ohio |
| Surname | May |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Xenia |
| 1935 Residence (County) | Greene |
| Additional Details | |
| Occupation | Salesman |
| Industry | Automobiles |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 525 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Salesman |
| Township / Ward | Xenia |
| Est. Birth Year | ~1920 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Elmer May | Head | — | 45 | ~1895 |
| John May | Son | — | 20 | ~1920 |
| Charles May | Son | — | 3 | ~1937 |
Census Appearances
1920
Montgomery, Ohio
Son, age
Montgomery, Ohio · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Greene, Ohio
Son, age 10
Greene, Ohio · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Greene-County, Ohio
Son, age 20
Greene-County, Ohio · implied b. ~1920 — 3 household members
| Surname | May |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Xenia |
| 1935 Residence (County) | Greene |
| Occupation | Salesman |
| Industry | Automobiles |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 525 |
| Highest Grade | H 4 |
| 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 May across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Arden May (~0.92 confidence) and father Elmer May (~0.92 confidence) and mother Virginia May (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arden May
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Elmer May
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Virginia May
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John May
Son · 1940 · age 20 · b. ~1920 · Ohio
★ You are viewing this record
Sibling
Charles May
Sibling · 1940 · age 3
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 — Greene-County, Ohio
Open full size
1940 US Federal Census — Greene-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03074-00634)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elmer E May | 45 | Head | Salesman | Ohio |
| 2 | John E May THIS PERSON | 20 | Son | Salesman | Ohio |
| 3 | Charles R May | 3 | Son | — | Ohio |
| 4 | Edwin Buck | 50 | Head | Meat Salesman | Ohio |
| 5 | Hazel E Buck | 45 | Wife | — | Ohio |
| 6 | Charles Buck | 76 | Father | Salesman | Ohio |
| 7 | Sue Harper | 77 | Lodger | — | Ohio |
| 8 | Jacob E Baughn | 82 | Head | — | Ohio |
| 9 | Mary Baughn | 78 | Wife | — | Ohio |
| 10 | Monna Baughn | 39 | Daughter | — | Ohio |
| 11 | Lynn Smalley | 34 | Head | Bus Driver | Ohio |
| 12 | Mary E Smalley | 30 | Wife | — | Ohio |
| 13 | James Kelble | 32 | Head | Electrician | Ohio |
| 14 | Dorothea Kelble | 25 | Wife | — | Ohio |
| 15 | Dennis Kelble | 3 | Son | — | Ohio |
| 16 | Andrea Kelble | 1 | Daughter | — | Ohio |
| 17 | Angela Kelble | 0 | Daughter | — | Ohio |
| 18 | Earl H Penner | 38 | Head | Principal | Ohio |
| 19 | Mary H Penner | 37 | Wife | — | Ohio |
| 20 | Mary Martha Penner | 13 | Daughter | — | Ohio |
| 21 | Elizabeth Faulkner | 66 | Head | — | Ohio |
| 22 | Claude E Loveless | 42 | Head | Clerk | Ohio |
| 23 | Anna Loveless | 42 | Wife | — | Ohio |
| 24 | Richard Loveless | 20 | Son | Bookkeeper | Ohio |
| 25 | John Loveless | 15 | Son | — | Ohio |
| 26 | Chester Jenks | 29 | Head | Welder | Ohio |
| 27 | Bernice Jenks | 28 | Wife | — | Ohio |
| 28 | Snowden E Mchenry | 48 | Head | Mechanic | Ohio |
| 29 | Theresa Mchenry | 48 | Wife | — | Ohio |
| 30 | Eileen Mchenry | 17 | Daughter | — | Ohio |
| 31 | Martha Jane Mchenry | 12 | Daughter | — | Ohio |
| 32 | David Mchenry | 6 | Son | — | Ohio |
| 33 | Nancy Jo Mchenry | 3 | Daughter | — | Ohio |
| 34 | Rosalind Mchenry | 2 | Daughter | — | Ohio |
| 35 | Rebecca Ann Mchenry | 0 | Daughter | — | Ohio |
| 36 | Edward H Kendig | 37 | Head | Collector | Ohio |
| 37 | Virginia S Kendig | 33 | Wife | — | Ohio |
| 38 | Carol Kendig | 13 | Daughter | — | Ohio |
| 39 | Carl Highley | 42 | Head | Manager | Ohio |
| 40 | Mary Highley | 37 | Wife | Bookkeeper | Ohio |
Pedigree Summary
John + 1 sibling
Gen 1 · 3 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)