RD
Robert Douglas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Douglas-County, Illinois
Our Model Tree links this Robert Douglas across the 1930 and 1940 US Censuses in Douglas-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Douglas-County, Illinois |
| Surname | Douglas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Hindsboro Village |
| 1935 Residence (County) | Douglas |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Hindsboro Village |
| Est. Birth Year | ~1925 |
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 |
|---|---|---|---|---|
| William Douglas | Son | — | 22 | ~1918 |
| Leon Douglas | Son | — | 17 | ~1923 |
| Ralph Douglas | Head | — | 47 | ~1893 |
| Joyce Douglas | Daughter | — | 8 | ~1932 |
| Gerald Douglas | Son | — | 2 | ~1938 |
| Norma Douglas | Daughter | — | 11 | ~1929 |
| Freda Douglas | Daughter | — | 16 | ~1924 |
| Ethel Douglas | Spouse | — | 41 | ~1899 |
| Robert Douglas | Son | — | 15 | ~1925 |
Census Appearances
1930
Douglas, Illinois
Son, age 5
Douglas, Illinois · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Douglas-County, Illinois
Son, age 15
Douglas-County, Illinois · implied b. ~1925 — 9 household members
| Surname | Douglas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Hindsboro Village |
| 1935 Residence (County) | Douglas |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Douglas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Douglas
Son · 1940 · age 15 · b. ~1925 · Illinois
★ You are viewing this record
Sibling
Gerald Douglas
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Freda Douglas
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Douglas
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joyce Douglas
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leon Douglas
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norma Douglas
Sibling · 1940 · age 11
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 — Douglas-County, Illinois
Open full size
1940 US Federal Census — Douglas-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00795-00146)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ross Peters | 72 | Head | — | Missouri |
| 42 | Anna L. Watts | 60 | Head | Manager | Illinois |
| 43 | Ella Wightman | 63 | Head | — | Illinois |
| 44 | Bruce Douglas | 34 | Head | Road Maintenance | Illinois |
| 45 | Mary Douglas | 31 | Wife | — | Illinois |
| 46 | Colleen Douglas | 9 | Daughter | — | Illinois |
| 47 | Jackie Douglas | 8 | Son | — | Illinois |
| 48 | Phyllis Douglas | 6 | Daughter | — | Illinois |
| 49 | Audrey Douglas | 4 | Daughter | — | Illinois |
| 50 | Blanche Hunter | 54 | Head | Housekeeping | Illinois |
| 51 | Harold Hunter | 18 | Son | Laborer | Illinois |
| 52 | Ralph Douglas | 47 | Head | Engineer | Illinois |
| 53 | Ethel Douglas | 41 | Wife | — | Illinois |
| 54 | William Douglas | 22 | Son | Attendant | Illinois |
| 55 | Leon Douglas | 17 | Son | Attendant | Illinois |
| 56 | Freda Douglas | 16 | Daughter | — | Illinois |
| 57 | Robert Douglas THIS PERSON | 15 | Son | — | Illinois |
| 58 | Norma Douglas | 11 | Daughter | — | Illinois |
| 59 | Joyce Douglas | 8 | Daughter | — | Illinois |
| 60 | Gerald Wayne Douglas | 2 | Son | — | Illinois |
| 61 | A. J. Moss | 62 | Head | Laborer | Illinois |
| 62 | Dora Moss | 62 | Wife | — | Illinois |
| 63 | Claude Scoggins | 65 | Head | Grain Buyer | Illinois |
| 64 | Clara B. Scoggins | 66 | Wife | — | Illinois |
| 65 | Pearl Andrews | 56 | Head | Owner | Illinois |
| 66 | John Harmon | 62 | Head | Paper Hanger | Indiana |
| 67 | Edith Harmon | 53 | Wife | — | Illinois |
| 68 | Mercedes Rose Harmon | 16 | Daughter | — | Illinois |
| 69 | James Arr | 41 | Lodger | Waiter | Illinois |
| 70 | Susan Broadlove | 74 | Head | Owner | Illinois |
| 71 | Lloyd Broadlove | 33 | Son | — | Illinois |
| 72 | Andy Byers | 60 | Head | — | Illinois |
| 73 | Nellie Byers | 58 | Wife | — | Illinois |
| 74 | Donald Byers | 21 | Son | Laborer | Indiana |
| 75 | Harvey Hurley | 65 | Head | New Worker | Indiana |
| 76 | Della Hurley | 64 | Wife | — | Indiana |
| 77 | Charles Mood | 85 | Head | — | Indiana |
| 78 | Minnie A. Mood | 56 | Wife | Assistant Postmistress | Illinois |
| 79 | Kieth Mood | 27 | Son | Paper Hanger | Illinois |
| 80 | Nema Mood | 21 | Daughter-in-law | — | 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)