RS
Ruth Sullivan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Champaign-County, Illinois
Our Model Tree links this Ruth Sullivan across the 1930 and 1940 US Censuses in Champaign-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 12-person household.
Age 15
b. ~1925
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Champaign-County, Illinois |
| Surname | Sullivan |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Champaign |
| Additional Details | |
| Class of Worker | 0 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Brown |
| 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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Orris Sullivan | Son | — | 16 | ~1924 |
| Clay Sullivan | Head | — | 41 | ~1899 |
| Shirley Sullivan | Daughter | — | 4 | ~1936 |
| Reba Sullivan | Daughter | — | 12 | ~1928 |
| Ruth Sullivan | Daughter | — | 15 | ~1925 |
| Betty Sullivan | Daughter | — | 5 | ~1935 |
| Cecil Sullivan | Son | — | 7 | ~1933 |
| Dale Sullivan | Son | — | 2 | ~1938 |
| Orpha Sullivan | Daughter | — | 10 | ~1930 |
| Hugo Sullivan | Son | — | 17 | ~1923 |
| Morris Sullivan | Son | — | 9 | ~1931 |
| Cassie Sullivan | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Champaign, Illinois
Daughter, age 5
Champaign, Illinois · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Champaign-County, Illinois
Daughter, age 15
Champaign-County, Illinois · implied b. ~1925 — 12 household members
| Surname | Sullivan |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Champaign |
| Class of Worker | 0 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Ruth Sullivan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Sullivan
Daughter · 1940 · age 15 · b. ~1925 · Illinois
★ You are viewing this record
Sibling
Shirley Sullivan
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Sullivan
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Orpha Sullivan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Orris Sullivan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Sullivan
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Reba Sullivan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecil Sullivan
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Morris Sullivan
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hugo Sullivan
Sibling · 1940 · age 17
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 — Champaign-County, Illinois
Open full size
1940 US Federal Census — Champaign-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00765-00070)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Villie In Joseph | 50 | Wife | — | Illinois |
| 42 | Joseph O Mount | 78 | Head | — | Indiana |
| 43 | Clay Sullivan | 41 | Head | Filling | Kentucky |
| 44 | Cassie Sullivan | 40 | Wife | — | Kentucky |
| 45 | Hugo P Sullivan | 17 | Son | Laborer | Kentucky |
| 46 | Orris Sullivan | 16 | Son | — | Illinois |
| 47 | Ruth Sullivan THIS PERSON | 15 | Daughter | — | Illinois |
| 48 | Reba Sullivan | 12 | Daughter | — | Illinois |
| 49 | Orpha Sullivan | 10 | Daughter | — | Illinois |
| 50 | Morris Sullivan | 9 | Son | — | Illinois |
| 51 | Cecil Sullivan | 7 | Son | — | Illinois |
| 52 | Betty Sullivan | 5 | Daughter | — | Illinois |
| 53 | Shirley Sullivan | 4 | Daughter | — | Illinois |
| 54 | Dale Sullivan | 2 | Son | — | Illinois |
| 55 | Lena B Peake | 51 | Head | — | Indiana |
| 56 | Mae Nash | 33 | Boarder | Teacher | Illinois |
| 57 | Lucinda Boyd | 74 | Head | — | Missouri |
| 58 | Edgar W Bright | 74 | Head | Farmer | Illinois |
| 59 | Almira Bright | 72 | Wife | — | Illinois |
| 60 | Leslie Bright | 50 | Son | Principal | Illinois |
| 61 | Mary E Bright | 39 | Daughter-in-law | — | Illinois |
| 62 | Marjorie Bright | 15 | Granddaughter | — | Illinois |
| 63 | George L Bright | 8 | Grandson | — | Illinois |
| 64 | Basil Burton | 44 | Head | Section Foreman | Kentucky |
| 65 | Bessie Burton | 43 | Wife | — | Kentucky |
| 66 | Sylvia Burton | 15 | Daughter | — | Illinois |
| 67 | Dale Burton | 10 | Son | — | Illinois |
| 68 | June Burton | 8 | Daughter | — | Illinois |
| 69 | Fred Davis | 28 | Head | Laborer | Illinois |
| 70 | Lelia Davis | 28 | Wife | — | Illinois |
| 71 | Ronald Davis | 4 | Son | — | Illinois |
| 72 | Dallas Davis | 4 | Son | — | Illinois |
| 73 | Ray Collins | 46 | Head | Trucker | Illinois |
| 74 | Alma E Collins | 45 | Wife | — | Illinois |
| 75 | Ernest Kruse | 22 | Head | Apprentice | Illinois |
| 76 | June Kruse | 22 | Wife | — | Illinois |
| 77 | George S De Long | 80 | Head | — | Wisconsin |
| 78 | Rillie De Long | 79 | Wife | — | Illinois |
| 79 | Louise Gingelberger | 43 | Maid | Maid | Illinois |
| 80 | Bruce De Long | 30 | Head | Manager | 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)