RC
Ruth Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this Ruth Campbell across the 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | Campbell |
| Given Name | Ruth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Sangamon |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Clear Lake Twp |
| Est. Birth Year | ~1927 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Francis Campbell | Daughter | — | 8 | ~1932 |
| Doris Campbell | Daughter | — | 3 | ~1937 |
| Ruth Campbell | Daughter | — | 13 | ~1927 |
| Helen Campbell | Daughter | — | 1 | ~1939 |
| Cecil Campbell | Head | — | 34 | ~1906 |
| Robert Campbell | Son | — | 2 | ~1938 |
| Leo Campbell | Son | — | 6 | ~1934 |
| Gerald Campbell | Son | — | 11 | ~1929 |
| Lester Campbell | Son | — | 5 | ~1935 |
| Ora Campbell | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Sangamon, Illinois
Daughter, age 3
Sangamon, Illinois · implied b. ~1927 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Ruth I. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Sangamon-County, Illinois
Daughter, age 13
Sangamon-County, Illinois · implied b. ~1927 — 10 household members
| Surname | Campbell |
| Given Name | Ruth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Sangamon |
| Highest Grade | 5 |
| 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 Campbell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Campbell
Daughter · 1940 · age 13 · b. ~1927 · Illinois
★ You are viewing this record
Sibling
Lester Campbell
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Campbell
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Campbell
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Campbell
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Campbell
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Campbell
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Campbell
Sibling · 1940 · age 3
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-t0627-00887-00156)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Betty Love | 12 | niece | — | Illinois |
| 42 | Robert Love | 8 | nephew | — | Illinois |
| 43 | Extra Line Love | None | — | — | — |
| 44 | L. Dewey Lynch | 37 | head | Farmer | Kentucky |
| 45 | Vinda B. Lynch | 37 | wife | — | Kentucky |
| 46 | Eugene Lynch | 16 | son | — | Canada |
| 47 | Nadine Lynch | 15 | daughter | — | Canada |
| 48 | Winford Lynch | 13 | son | — | Canada |
| 49 | Linda Lee Lynch | 12 | daughter | — | Illinois |
| 50 | Virgil Hallford | 31 | head | Farmer | Illinois |
| 51 | Helen Hallford | 31 | wife | — | Illinois |
| 52 | Virginia Hallford | 3 | daughter | — | Illinois |
| 53 | Torbert Matthews | 51 | head | Farmer | Illinois |
| 54 | Jessie Matthews | 47 | wife | — | Illinois |
| 55 | Donald H. Matthews | 8 | son | — | Illinois |
| 56 | William Matthew | 75 | head | Farmer | California |
| 57 | Ida C. Matthew | 79 | wife | — | Illinois |
| 58 | Billie M. Matthew | 43 | son | — | Illinois |
| 59 | Lester B. Matthew | 69 | brother | — | Illinois |
| 60 | Luther Campbell | 56 | head | Farmer | Kentucky |
| 61 | Nora Campbell | 57 | wife | — | Kentucky |
| 62 | Russell Campbell | 21 | son | Laborer | Illinois |
| 63 | Lola Maddox | 60 | head | — | Illinois |
| 64 | George King | 43 | head | Laborer | Illinois |
| 65 | Lillie King | 33 | wife | — | Illinois |
| 66 | Cecil Campbell | 34 | head | Laborer | Illinois |
| 67 | Ora Campbell | 34 | wife | — | Illinois |
| 68 | Ruth Campbell THIS PERSON | 13 | daughter | — | Illinois |
| 69 | Gerald Campbell | 11 | son | — | Illinois |
| 70 | Francis Campbell | 8 | daughter | — | Illinois |
| 71 | Leo Campbell | 6 | son | — | Illinois |
| 72 | Lester Campbell | 5 | son | — | Illinois |
| 73 | Doris Campbell | 3 | daughter | — | Illinois |
| 74 | Robert Campbell | 2 | son | — | Illinois |
| 75 | Helen Campbell | 1 | daughter | — | Illinois |
| 76 | Raymond Norman | 27 | head | Night Manager | Illinois |
| 77 | Beatrice Norman | 25 | wife | — | Illinois |
| 78 | Douglas Norman | 8 | son | — | Illinois |
| 79 | Dolores Norman | 7 | daughter | — | Illinois |
| 80 | Lutisha Norman | 3 | daughter | — | 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)