RM
Robert May — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Warren-County, Indiana
Our Model Tree links this Robert May across the 1930 and 1940 US Censuses in Warren-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Warren-County, Indiana |
| Surname | May |
| Given Name | Robert S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Benton |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Liberty Twp |
| Est. Birth Year | ~1926 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Mary May | Daughter | — | 11 | ~1929 |
| George May | Daughter | — | 10 | ~1930 |
| Burgess May | Head | — | 51 | ~1889 |
| Alice May | Spouse | — | 40 | ~1900 |
| Juanita May | Daughter | — | 7 | ~1933 |
| James May | Son | — | 3 | ~1937 |
| Estella May | Daughter | — | 5 | ~1935 |
| Robert May | Son | — | 14 | ~1926 |
| Dean May | Son | — | 10 | ~1930 |
Census Appearances
1930
Benton, Indiana
Son, age 4
Benton, Indiana · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | Robert D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Warren-County, Indiana
Son, age 14
Warren-County, Indiana · implied b. ~1926 — 9 household members
| Surname | May |
| Given Name | Robert S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Benton |
| Highest Grade | No 7 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert May
Son · 1940 · age 14 · b. ~1926 · Indiana
★ You are viewing this record
Sibling
Estella May
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary May
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George May
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Juanita May
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dean May
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James 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 — Warren-County, Indiana
Open full size
1940 US Federal Census — Warren-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01106-00841)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary E. Washburn | 75 | Head | — | Indiana |
| 2 | Jim C. Davis | 54 | Lodger | Farm Laborer | Indiana |
| 3 | Henry Martin | 72 | Head | Farmer | Indiana |
| 4 | Martha E. Martin | 58 | Wife | — | Illinois |
| 5 | Frank Lucas | 34 | Son-in-law | Farm Laborer | Indiana |
| 6 | Mary E. Lucas | 29 | Daughter | — | Indiana |
| 7 | Herschel Lucas | 10 | Grandson | — | Indiana |
| 8 | Raymond P. Lucas | 4 | Grandson | — | Indiana |
| 9 | Burgess R. May | 51 | Head | Lever Operator | Indiana |
| 10 | Alice J. May | 40 | Wife | — | Indiana |
| 11 | Robert S. May THIS PERSON | 14 | Son | — | Indiana |
| 12 | Mary S. May | 11 | Daughter | — | Indiana |
| 13 | George M. May | 10 | Daughter | — | Indiana |
| 14 | Dean R. May | 10 | Son | — | Indiana |
| 15 | Juanita R. May | 7 | Daughter | — | Indiana |
| 16 | Estella J. May | 5 | Daughter | — | Indiana |
| 17 | James J. May | 3 | Son | — | Indiana |
| 18 | Lou Rector | 75 | Head | — | Indiana |
| 19 | Clair D. Martin | 38 | Head | Saddle Work | Illinois |
| 20 | Clara C. Martin | 34 | Wife | — | Indiana |
| 21 | Robert C. Martin | 6 | Son | — | Indiana |
| 22 | Ernest H. Sink | 38 | Head | Farmer | Indiana |
| 23 | Weltha J. Sink | 33 | Wife | — | Kentucky |
| 24 | Charles E. Sink | 6 | Son | — | Indiana |
| 25 | Herman N. Sink | 4 | Son | — | Indiana |
| 26 | Joyce A. Sink | 2 | Daughter | — | Indiana |
| 27 | Bryan M. Beason | 43 | Head | Farmer | Indiana |
| 28 | Bella R. Beason | 38 | Wife | — | Indiana |
| 29 | Dean M. Beason | 10 | Son | — | Indiana |
| 30 | Laverna J. Beason | 1 | Daughter | — | Indiana |
| 31 | Golda M. Beason | 50 | Sister | — | Indiana |
| 32 | Frank D. Brown | 51 | Head | Farmer | Indiana |
| 33 | Fern E. Beason | 24 | Niece | — | Indiana |
| 34 | William H. Thames | 71 | Head | Farmer | Indiana |
| 35 | Beulah J. Thames | 39 | Daughter | — | Indiana |
| 36 | Leroy C. Leary | 35 | Head | Farm Laborer | Iowa |
| 37 | Rosella F. Leary | 26 | Wife | — | Indiana |
| 38 | Monty J. Leary | 8 | Son | — | Indiana |
| 39 | Freddie E. Leary | 6 | Son | — | Indiana |
| 40 | Kenneth M. Leary | 5 | Son | — | Illinois |
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)