DS
Dorothy Snyder — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Dorothy Snyder across the 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Snyder |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | South Moline Twp |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | South Moline Twp |
| 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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Wallace Snyder | Son | — | 9 | ~1931 |
| Ruth Snyder | Spouse | — | 34 | ~1906 |
| Inez Snyder | Daughter | — | 6 | ~1934 |
| John Snyder | Son | — | 3 | ~1937 |
| Dorothy Snyder | Daughter | — | 15 | ~1925 |
| Juanita Snyder | Daughter | — | 11 | ~1929 |
| Mary Snyder | Daughter | — | 13 | ~1927 |
| Lloyd Snyder | Head | — | 38 | ~1902 |
| Barbara Snyder | Daughter | — | 2 | ~1938 |
Census Appearances
1930
Rock Island, …
Daughter, age 5
Rock Island, Illinois · implied b. ~1925 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Snyder |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| 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
Rock-Island-County, Illinois
Daughter, age 15
Rock-Island-County, Illinois · implied b. ~1925 — 9 household members
| Surname | Snyder |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | South Moline Twp |
| 1935 Residence (County) | Rock Island |
| Class of Worker | 0 |
| Highest Grade | Hs 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 Dorothy Snyder across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Snyder
Daughter · 1940 · age 15 · b. ~1925 · Illinois
★ You are viewing this record
Sibling
John Snyder
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Snyder
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Inez Snyder
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Snyder
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Juanita Snyder
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wallace Snyder
Sibling · 1940 · age 9
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 — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00877-00612)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Brazmes | 13 | Son | — | Illinois |
| 2 | Marc R Wood | 54 | Head | Laborer | Alaska |
| 3 | Alta W Wood | 50 | Wife | — | Illinois |
| 4 | Joe Fred Wood | 12 | Son | — | Illinois |
| 5 | Harold Johnson | 35 | Head | Gardener | Iowa |
| 6 | Ninnie Johnson | 37 | Wife | — | Iowa |
| 7 | Lloyd Snyder | 38 | Head | Laborer | Illinois |
| 8 | Ruth Snyder | 34 | Wife | — | Illinois |
| 9 | Dorothy Snyder THIS PERSON | 15 | Daughter | — | Illinois |
| 10 | Mary Ellen Snyder | 13 | Daughter | — | Iowa |
| 11 | Juanita Snyder | 11 | Daughter | — | Illinois |
| 12 | Wallace Snyder | 9 | Son | — | Iowa |
| 13 | Inez Snyder | 6 | Daughter | — | Iowa |
| 14 | John Roy Snyder | 3 | Son | — | Illinois |
| 15 | Barbara Ann Snyder | 2 | Daughter | — | Illinois |
| 16 | James C Noel | 45 | Head | Pipefitter | Iowa |
| 17 | Elsie R Noel | 37 | Wife | — | Iowa |
| 18 | George Noel | 16 | Son | New Worker | Iowa |
| 19 | Bernice Noel | 14 | Daughter | — | Illinois |
| 20 | Betty Noel | 10 | Daughter | — | Illinois |
| 21 | Owen Harland | 41 | Head | Laborer | Missouri |
| 22 | Frances W Harland | 37 | Wife | — | Illinois |
| 23 | Laurence Harland | 14 | Son | — | Illinois |
| 24 | Leonard Harland | 12 | Son | — | Illinois |
| 25 | Martha F Harland | 10 | Daughter | — | Illinois |
| 26 | Faye Harland | 8 | Daughter | — | Illinois |
| 27 | Lila Harland | 2 | Daughter | — | Illinois |
| 28 | Francis Foster | 25 | Head | Truck Driver | Illinois |
| 29 | Ruth D Foster | 24 | Wife | — | Iowa |
| 30 | Beverly Foster | 5 | Daughter | — | Iowa |
| 31 | Kenneth Foster | 4 | Son | — | Iowa |
| 32 | Arlene Foster | 3 | Daughter | — | Illinois |
| 33 | Robert Foster | 0 | Son | — | Illinois |
| 34 | Orren Bedwell | 42 | Head | — | Illinois |
| 35 | Ava C Bedwell | 43 | Wife | — | Tennessee |
| 36 | Robert Bedwell | 19 | Son | New Worker | Illinois |
| 37 | Edward Bedwell | 17 | Son | New Worker | Illinois |
| 38 | Bonnie Bedwell | 15 | Daughter | — | Illinois |
| 39 | Mary Ellen Bedwell | 12 | Daughter | — | Illinois |
| 40 | Loren Bedwell | 10 | 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)