JM
John May — 1940 US Census Record
Model Tree available1940 United States Federal Census · Floyd-County, Kentucky
Our Model Tree links this John May across the 1920, 1930 and 1940 US Censuses in Floyd-County, Kentucky (XGBoost, ~Confirmed), with identified parents Isaac — first a head (b.~1906), then head of a 5-person household.
Age 34
b. ~1906
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Floyd-County, Kentucky |
| Surname | May |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial District 1 |
| 1935 Residence (County) | Magoffin |
| Additional Details | |
| Occupation | Driller |
| Industry | Ky. W. Va. Gas Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 521 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Driller |
| Township / Ward | Magisterial District 1 |
| Est. Birth Year | ~1906 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Anna May | Daughter | — | 9 | ~1931 |
| Loretta May | Daughter | — | 5 | ~1935 |
| John May | Head | — | 34 | ~1906 |
| Roy May | Son | — | 7 | ~1933 |
| Dolly May | Spouse | — | 33 | ~1907 |
Census Appearances
1920
Floyd, Kentucky
Son, age 16
Floyd, Kentucky · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Farm labor |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Floyd, Kentucky
Head, age 26
Floyd, Kentucky · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 24 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Driller |
| Industry | Gas production |
| Class of Worker | 79XV |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Floyd-County, Kentucky
Head, age 34
Floyd-County, Kentucky · implied b. ~1906 — 5 household members
| Surname | May |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial District 1 |
| 1935 Residence (County) | Magoffin |
| Occupation | Driller |
| Industry | Ky. W. Va. Gas Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 521 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 2 locations, using XGBoost record linkage. Identified parents: father Isaac May (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Isaac May
b. ~1873
Source father
● Household
· direct · ~0.92
This person
Anchor record
John May
Head · 1940 · age 34 · b. ~1906 · Kentucky
★ 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 — Floyd-County, Kentucky
Open full size
1940 US Federal Census — Floyd-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01305-00541)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Zada Bradley | 16 | Daughter | — | Kentucky |
| 2 | Garnon Bradley | 15 | Son | — | Kentucky |
| 3 | Harlan Bradley | 13 | Son | — | Kentucky |
| 4 | Ruth Bradley | 11 | Daughter | — | Kentucky |
| 5 | Louise Bradley | 7 | Daughter | — | Kentucky |
| 6 | Billy Bradley | 5 | Son | — | Kentucky |
| 7 | Bonny Bradley | 4 | Daughter | — | Kentucky |
| 8 | Ada Bradley | 2 | Daughter | — | Kentucky |
| 9 | Shirley Bradley | 0 | Daughter | — | Kentucky |
| 10 | Clint Bradley | 33 | Head | Farmer | Kentucky |
| 11 | Grace Bradley | 27 | Wife | — | Kentucky |
| 12 | Gardis Bradley | 11 | Son | — | Kentucky |
| 13 | Alice Bradley | 9 | Daughter | — | Kentucky |
| 14 | Pearlie Bradley | 6 | Daughter | — | Kentucky |
| 15 | Zena Bradley | 4 | Daughter | — | Kentucky |
| 16 | Nancy Bradley | 1 | Daughter | — | Kentucky |
| 17 | Kelly Allen | 67 | Head | Farmer | Kentucky |
| 18 | Rebecca Allen | 62 | Wife | — | Kentucky |
| 19 | Wayne Allen | 32 | Son | Farm Helper | Kentucky |
| 20 | Daisy Allen | 14 | Daughter | — | Kentucky |
| 21 | John May THIS PERSON | 34 | Head | Driller | Kentucky |
| 22 | Dolly May | 33 | Wife | — | Kentucky |
| 23 | Anna Marie May | 9 | Daughter | — | Kentucky |
| 24 | Roy May | 7 | Son | — | Kentucky |
| 25 | Loretta May | 5 | Daughter | — | Kentucky |
| 26 | Susan May | 65 | Head | — | Kentucky |
| 27 | Claude May | 31 | Son | Meter Reader | Kentucky |
| 28 | John Robinson | 31 | Head | — | Kentucky |
| 29 | Hollie Robinson | 24 | Wife | — | Kentucky |
| 30 | Louise Robinson | 7 | Daughter | — | Kentucky |
| 31 | Billy Robinson | 4 | Son | — | Kentucky |
| 32 | Willard May | 36 | Head | Field Worker | Kentucky |
| 33 | Eula May | 31 | Wife | — | Kentucky |
| 34 | Alice May | 17 | Daughter | — | Kentucky |
| 35 | Thomas May | 10 | Son | — | Kentucky |
| 36 | Roy Martin | 30 | Head | Farmer | Kentucky |
| 37 | Dolly Martin | 30 | Wife | — | Kentucky |
| 38 | Shannon Martin | 6 | Son | — | Kentucky |
| 39 | Ron Martin | 5 | Son | — | Kentucky |
| 40 | Guanda Martin | 4 | Daughter | — | Kentucky |
Pedigree Summary
John
Gen 1 · 1 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)