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William Robbins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sullivan-County, Indiana
Our Model Tree links this William Robbins across the 1920, 1930 and 1940 US Censuses in Sullivan-County, Indiana (XGBoost, ~Confirmed), with identified parents Marcellus — first a head (b.~1899), then head of a 13-person household.
Age 41
b. ~1899
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sullivan-County, Indiana |
| Surname | Robbins |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Jefferson Township |
| 1935 Residence (County) | Sullivan |
| Additional Details | |
| Occupation | WPA |
| Industry | County Road |
| Class of Worker | GW |
| Hours Worked | 364 |
| Income (1939) | 188 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Wpa |
| Township / Ward | Jefferson Township |
| Est. Birth Year | ~1899 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Marion Robbins | Son | — | 2 | ~1938 |
| Shirley Robbins | Daughter | — | 4 | ~1936 |
| David Robbins | Son | — | 6 | ~1934 |
| Robert Robbins | Son | — | 9 | ~1931 |
| Thomas Robbins | Son | — | 14 | ~1926 |
| William Robbins | Head | — | 41 | ~1899 |
| Charles Robbins | Son | — | 1 | ~1939 |
| Betty Robbins | Daughter | — | 13 | ~1927 |
| Ruby Robbins | Daughter | — | 3 | ~1937 |
| Billy Robbins | Son | — | 17 | ~1923 |
| Doris Robbins | Daughter | — | 7 | ~1933 |
| Marjorie Robbins | Daughter | — | 18 | ~1922 |
| Olie Robbins | Spouse | — | 41 | ~1899 |
Census Appearances
1920
Sullivan, Indiana
Son, age 20
Sullivan, Indiana · implied b. ~1900 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robbins |
| Given Name | Willie |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Farm laborer |
| Industry | general farm |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Sullivan, Indiana
Head, age 29
Sullivan, Indiana · implied b. ~1901 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robbins |
| Given Name | William M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 21 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | VIVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 2 |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Sullivan-County, Indiana
Head, age 41
Sullivan-County, Indiana · implied b. ~1899 — 13 household members
| Surname | Robbins |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Jefferson Township |
| 1935 Residence (County) | Sullivan |
| Occupation | WPA |
| Industry | County Road |
| Class of Worker | GW |
| Hours Worked | 364 |
| Income (1939) | 188 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| 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 William Robbins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Marcellus Robbins (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Marcellus Robbins
b. ~1857
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Robbins
Head · 1940 · age 41 · b. ~1899 · Indiana
★ 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 — Sullivan-County, Indiana
Open full size
1940 US Federal Census — Sullivan-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01097-00734)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Edward Smith | 11 | Son | — | Indiana |
| 42 | Paul Smith | 8 | Son | — | Indiana |
| 43 | Charles V. James | 52 | Head | Farmer | Kansas |
| 44 | Lucy F. James | 47 | Wife | — | Indiana |
| 45 | William Robbins THIS PERSON | 41 | Head | Wpa | Indiana |
| 46 | Olie Robbins | 41 | Wife | — | Indiana |
| 47 | Marjorie Ruth Robbins | 18 | Daughter | Housework | Indiana |
| 48 | Billy Gene Robbins | 17 | Son | Nya | Indiana |
| 49 | Thomas Wayne Robbins | 14 | Son | — | Indiana |
| 50 | Betty Lois Robbins | 13 | Daughter | — | Indiana |
| 51 | Robert Lee Robbins | 9 | Son | — | Indiana |
| 52 | Doris Rosellen Robbins | 7 | Daughter | — | Indiana |
| 53 | David Leon Robbins | 6 | Son | — | Indiana |
| 54 | Shirley Ann Robbins | 4 | Daughter | — | Indiana |
| 55 | Ruby Marie Robbins | 3 | Daughter | — | Indiana |
| 56 | Marion Dale Robbins | 2 | Son | — | Indiana |
| 57 | Charles Edward Robbins | 1 | Son | — | Indiana |
| 58 | Gordon Gentry | 31 | Head | Wpa | Kentucky |
| 59 | Florence Gentry | 29 | Wife | — | Indiana |
| 60 | Donna Jean Gentry | 10 | Daughter | — | Ohio |
| 61 | James Carl Gentry | 5 | Son | — | Kentucky |
| 62 | Walter Johanningmeier | 37 | Head | Farmer | Indiana |
| 63 | Martha Johanningmeier | 30 | Wife | — | Indiana |
| 64 | Jean Ann Johanningmeier | 6 | Daughter | — | Indiana |
| 65 | Walter Jr. Johanningmeier | 5 | Son | — | Indiana |
| 66 | Norman Johanningmeier | 3 | Son | — | Indiana |
| 67 | Barbara Nell Johanningmeier | 1 | Daughter | — | Indiana |
| 68 | Chess Hay | 63 | Head | Wpa | Indiana |
| 69 | Ella Hay | 53 | Wife | — | Indiana |
| 70 | Jesse C. Page | 56 | Head | Wpa | Indiana |
| 71 | Teresa Page | 53 | Wife | — | Indiana |
| 72 | Burlin S. Booker | 79 | Head | — | Indiana |
| 73 | Flora A. Booker | 75 | Wife | — | Indiana |
| 74 | Alma Kardokus | 49 | Head | — | Indiana |
| 75 | Carl Kardokus | 23 | Son | New Worker | Indiana |
| 76 | Clarence Kardokus | 22 | Son | Farm Laborer | Indiana |
| 77 | Elmina Kardokus | 19 | Daughter | House Work | Indiana |
| 78 | Mary Ann Kardokus | 13 | Daughter | — | Indiana |
| 79 | Russell Berry | 52 | Head | Farmer | Indiana |
| 80 | Josie Berry | 57 | Wife | — | Ohio |
Pedigree Summary
William
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)