RM
Robert May — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pickaway-County, Ohio
Our Model Tree links this Robert May across the 1920, 1930 and 1940 US Censuses in Pickaway-County, Ohio (XGBoost, ~Confirmed), with identified parents Isabel & Isabel — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pickaway-County, Ohio |
| Surname | May |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Wayne Township |
| 1935 Residence (County) | Pickaway |
| Additional Details | |
| Highest Grade | C-3 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Wayne Township |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Isabel May | Spouse | — | 57 | ~1883 |
| Rachel May | Daughter | — | 17 | ~1923 |
| Sarah May | Daughter | — | 24 | ~1916 |
| Robert May | Son | — | 22 | ~1918 |
| Perry May | Head | — | 55 | ~1885 |
Census Appearances
1920
Pickaway, Ohio
Son, age 1
Pickaway, Ohio · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Pickaway, Ohio
Son, age 12
Pickaway, Ohio · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | Robert P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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
Pickaway-County, Ohio
Son, age 22
Pickaway-County, Ohio · implied b. ~1918 — 5 household members
| Surname | May |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Wayne Township |
| 1935 Residence (County) | Pickaway |
| Highest Grade | C-3 |
| 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 Robert May across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Isabel May (~0.92 confidence) and mother Isabel May (~0.92 confidence) and father Percy May (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Isabel May
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Isabel May
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
Percy May
b. ~1885
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert May
Son · 1940 · age 22 · b. ~1918 · Ohio
★ You are viewing this record
Sibling
Sarah May
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rachel May
Sibling · 1940 · age 17
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 — Pickaway-County, Ohio
Open full size
1940 US Federal Census — Pickaway-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03128-00783)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Tony Pancake | 26 | Head | Laborer | Ohio |
| 2 | Gladys Pancake | 25 | Wife | — | Ohio |
| 3 | Paul Stout | 31 | Head | Farmer | Ohio |
| 4 | Grace Stout | 31 | Wife | — | Ohio |
| 5 | Perry May | 55 | Head | Farmer | Ohio |
| 6 | Isabel May | 57 | Wife | — | Ohio |
| 7 | Sarah May | 24 | Daughter | Teacher | Ohio |
| 8 | Robert May THIS PERSON | 22 | Son | — | Ohio |
| 9 | Rachel May | 17 | Daughter | Newspaper | Ohio |
| 10 | Spencer Dormer | 68 | Head | — | Ohio |
| 11 | Daryl Stevenson | 46 | Head | Farmer | Ohio |
| 12 | Florence Stevenson | 42 | Wife | — | Ohio |
| 13 | Elizabeth Stevenson | 11 | Daughter | — | Ohio |
| 14 | John Stevenson | 7 | Son | — | Ohio |
| 15 | George Hoolever | 38 | Head | Laborer | Ohio |
| 16 | Doris Hoolever | 22 | Wife | — | Ohio |
| 17 | Roger Hoolever | 4 | Son | — | Ohio |
| 18 | Ben B. Allen | 58 | Head | Laborer | Ohio |
| 19 | Ada J. May | 83 | Head | — | Ohio |
| 20 | Lucy May | 59 | Son | — | Ohio |
| 21 | Edw. W. Bolender | 66 | Head | — | Ohio |
| 22 | Ralph S. Bolender | 30 | Son | Farmer | Ohio |
| 23 | Alberta Dewey | 59 | Head | — | Ohio |
| 24 | Elinor Dewey | 18 | Daughter | — | Ohio |
| 25 | William Compton | 76 | Head | — | Ohio |
| 26 | Andrew A. Hall | 72 | Head | — | Ohio |
| 27 | Austin Greene | 35 | Head | Farmer | Ohio |
| 28 | Mary Greene | 31 | Wife | — | Ohio |
| 29 | Arthur Greene | 4 | Son | — | Ohio |
| 30 | Richard Greene | 0 | Son | — | Ohio |
| 31 | Frank Bogard | 54 | Head | Farmer | Ohio |
| 32 | Addie Bogard | 58 | Wife | — | Ohio |
| 33 | Eldon Bogard | 19 | Son | Salesman | Ohio |
| 34 | Betty Lee Bogard | 11 | Daughter | — | Ohio |
| 35 | Oral Lowry | 34 | Head | Farmer | Ohio |
| 36 | Ruth Lowry | 32 | Wife | — | Ohio |
| 37 | Glenn Lowry | 8 | Son | — | Ohio |
| 38 | Naomi Lowry | 2 | Daughter | — | Ohio |
| 39 | Altha Denese | 28 | Head | Laborer | W. Virginia |
| 40 | Mary Denese | 31 | Wife | — | W. Virginia |
Pedigree Summary
Robert + 2 siblings
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)