DC
Dorothy Collins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this Dorothy Collins across the 1930 and 1940 US Censuses in Sangamon-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 | Sangamon-County, Illinois |
| Surname | Collins |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Sangamon |
| Additional Details | |
| Highest Grade | S 6 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Springfield Twp |
| 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 |
|---|---|---|---|---|
| James Collins | Son | — | 12 | ~1928 |
| Dorothy Collins | Daughter | — | 11 | ~1929 |
| Katherine Collins | Daughter | — | 8 | ~1932 |
| Charles Collins | Son | — | 14 | ~1926 |
| Walter Collins | Son | — | 17 | ~1923 |
| Josephine Landers | Daughter | — | 1 | ~1939 |
| Mildred Collins | Daughter | — | 4 | ~1936 |
| Maude Collins | Head | — | 38 | ~1902 |
Census Appearances
1930
Sangamon, Illinois
Daughter, age 1
Sangamon, Illinois · implied b. ~1929 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Dorothy E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Sangamon-County, Illinois
Daughter, age 11
Sangamon-County, Illinois · implied b. ~1929 — 8 household members
| Surname | Collins |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Sangamon |
| Highest Grade | S 6 |
| 1935 Residence | Illinois |
| 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 Collins across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Collins
Daughter · 1940 · age 11 · b. ~1929 · Illinois
★ You are viewing this record
Sibling
Walter Collins
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Collins
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Collins
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Collins
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Landers
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Collins
Sibling · 1940 · age 12
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 — Sangamon-County, Illinois
Open full size
1940 US Federal Census — Sangamon-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00887-00689)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Albert O Zimmerman | 41 | Head | Whole Sale Salesman | Illinois |
| 42 | Mary E Zimmerman | 38 | Wife | — | Illinois |
| 43 | Albert E Zimmerman | 14 | Son | — | Illinois |
| 44 | John H Zimmerman | 12 | Son | — | Illinois |
| 45 | Raymond L Zimmerman | 9 | Son | — | Illinois |
| 46 | Marie E. Ab Zimmerman | 7 | Daughter | — | Illinois |
| 47 | Thomas J Zimmerman | 3 | Son | — | Illinois |
| 48 | David Zimmerman | 1 | Son | — | Illinois |
| 49 | John B Zimmerman | 75 | Father | — | Germany |
| 50 | Maude G Collins | 38 | Head | — | Illinois |
| 51 | Walter Collins | 17 | Son | Farm Laborer | Illinois |
| 52 | Charles Collins | 14 | Son | New Worker | Illinois |
| 53 | James A Collins | 12 | Son | — | Illinois |
| 54 | Dorothy Collins THIS PERSON | 11 | Daughter | — | Illinois |
| 55 | Katherine Collins | 8 | Daughter | — | Illinois |
| 56 | Mildred Collins | 4 | Daughter | — | Illinois |
| 57 | Josephine Landers | 1 | Daughter | — | Illinois |
| 58 | Alfred Leber | 70 | Head | Miner | Missouri |
| 59 | Henry Leber | 67 | Brother | — | Missouri |
| 60 | Elmer M Taylor | 56 | Head | Truck Delivery Driver | Illinois |
| 61 | Laura Taylor | 51 | Wife | — | Indiana |
| 62 | Raymond Taylor | 17 | Son | — | Illinois |
| 63 | John St. R Jenkins | 46 | Head | Shipping Clerk | Missouri |
| 64 | Lillie Jenkins | 42 | Wife | — | Missouri |
| 65 | John Jr Jenkins | 24 | Son | Landscape Gardener | Missouri |
| 66 | James W Jenkins | 1 | Adopted Son | — | Missouri |
| 67 | Robert Howard | 46 | Head | Pipe Fitter | Kentucky |
| 68 | Mildred Howard | 42 | Wife | — | Illinois |
| 69 | George Howard | 14 | Son | — | Illinois |
| 70 | William Howard | 6 | Son | — | Illinois |
| 71 | Albert Rademacher | 67 | Head | — | Germany |
| 72 | Bessie Ab Rademacher | 41 | Wife | — | Illinois |
| 73 | Henry Wessing | 67 | Head | — | Holland |
| 74 | Nellie Wessing | 61 | Wife | — | Illinois |
| 75 | Henry Jr Wessing | 33 | Son | Miner | Illinois |
| 76 | Theodore Wessing | 28 | Son | Miner | Illinois |
| 77 | Fred Wessing | 20 | Son | Filling Station Attendant | Illinois |
| 78 | Dennis Donovan | 45 | Head | Laborer | Illinois |
| 79 | Caroline Donovan | 55 | Wife | — | Illinois |
| 80 | Dennis Jr Donovan | 8 | 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)