DR
Dorothy Robinson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Illinois
Our Model Tree links this Dorothy Robinson across the 1930 and 1940 US Censuses in Lake-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Illinois |
| Surname | Robinson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Zion City |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Zion City |
| Est. Birth Year | ~1929 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Gene Robinson | Son | — | 4 | ~1936 |
| Lois Robinson | Spouse | — | 32 | ~1908 |
| Dorothy Robinson | Daughter | — | 11 | ~1929 |
| Susie Robinson | Daughter | — | 13 | ~1927 |
| Diane Robinson | Daughter | — | 5 | ~1935 |
| Neal Robinson | Son | — | 9 | ~1931 |
| Samuel Robinson | Head | — | 32 | ~1908 |
| Betty Robinson | Daughter | — | ~1940 |
Census Appearances
1930
Lake, Illinois
Daughter, age 1
Lake, Illinois · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Dorothy J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Lake-County, Illinois
Daughter, age 11
Lake-County, Illinois · implied b. ~1929 — 8 household members
| Surname | Robinson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Zion City |
| 1935 Residence (County) | Lake |
| Highest Grade | No 5 |
| 1935 Residence | Same house |
| 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 Dorothy Robinson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Robinson
Daughter · 1940 · age 11 · b. ~1929 · Illinois
★ You are viewing this record
Sibling
Neal Robinson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Robinson
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Diane Robinson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gene Robinson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Susie Robinson
Sibling · 1940 · age 13
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 — Lake-County, Illinois
Open full size
1940 US Federal Census — Lake-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00831-00725)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret Gallagher | 80 | Mother in law | — | Canada English |
| 42 | Burt W. Mccormack | 88 | Head | — | Indiana |
| 43 | Catherine Mccormack | 83 | Wife | — | Indiana |
| 44 | Alexander S. Burgess | 69 | Head | — | Canada English |
| 45 | Eliza Ann Burgess | 73 | Wife | — | England |
| 46 | Leslie Knippers | 38 | Head | Postal Clerk | Illinois |
| 47 | Mae Knippers | 38 | Wife | Greenhouse Clerk | Washington |
| 48 | Paul Haag | 33 | Head | Sherman | Indiana |
| 49 | May Haag | 30 | Wife | Insurite Pipe Co | Georgia |
| 50 | Marjorie Haag | 12 | Daughter | — | Illinois |
| 51 | Leo Boyd | 46 | Head | Linotype Operator | Mississippi |
| 52 | Ida Boyd | 45 | Wife | — | Mississippi |
| 53 | Samuel Boyd | 7 | Son | — | Illinois |
| 54 | Wilfred Brownlow | 41 | Head | Manager Filling Station & Garage | England |
| 55 | Ruth Brownlow | 42 | Wife | — | Washington |
| 56 | Ruth Jean Brownlow | 17 | Daughter | — | Illinois |
| 57 | Wilfred John Brownlow | 9 | Son | — | Illinois |
| 58 | Enid April Brownlow | 3 | Daughter | — | Illinois |
| 59 | Arthur W. Brownlow | 71 | Head | Draftsman Designer | England |
| 60 | Annie E. Brownlow | 68 | Wife | — | England |
| 61 | Leonard William Brownlow | 27 | Son | Mechanic | Illinois |
| 62 | Vernon Thompson | 34 | Head | Truck Driver | Illinois |
| 63 | Dorothy Thompson | 31 | Wife | — | Illinois |
| 64 | Laverne Thompson | 11 | Daughter | — | Illinois |
| 65 | Leroy Thompson | 10 | Son | — | Illinois |
| 66 | Theodore Thompson | 8 | Son | — | Illinois |
| 67 | Duane Thompson | 2 | Son | — | Illinois |
| 68 | Daniel Aallard | 38 | Head | Upholsterer | Illinois |
| 69 | Burton Aallard | 38 | Wife | — | Canada English |
| 70 | Burton Aallard | 5 | Son | — | Illinois |
| 71 | Vivienne Aallard | 2 | Daughter | — | Illinois |
| 72 | Samuel Robinson | 32 | Head | Traveling Salesman | Illinois |
| 73 | Lois Robinson | 32 | Wife | — | Illinois |
| 74 | Susie Robinson | 13 | Daughter | — | Illinois |
| 75 | Dorothy Robinson THIS PERSON | 11 | Daughter | — | Illinois |
| 76 | Neal Robinson | 9 | Son | — | Illinois |
| 77 | Diane Robinson | 5 | Daughter | — | Illinois |
| 78 | Gene Robinson | 4 | Son | — | Illinois |
| 79 | Betty Robinson | 0 | Daughter | — | Illinois |
| 80 | Rebecca Johnson | 58 | Head | Seamstress | South Carolina |
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)