RC
Ruth Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Genesee-County, Michigan
Our Model Tree links this Ruth Campbell across the 1930 and 1940 US Censuses in Genesee-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 11-person household.
Age 10
b. ~1930
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Genesee-County, Michigan |
| Surname | Campbell |
| Given Name | Ruth M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Clio City |
| 1935 Residence (County) | Genesee |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Clio City |
| Est. Birth Year | ~1930 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Campbell | Daughter | — | 10 | ~1930 |
| Pearl Campbell | Daughter | — | 6 | ~1934 |
| Thelma Campbell | Daughter | — | 13 | ~1927 |
| Marie Campbell | Daughter | — | 18 | ~1922 |
| Mary Campbell | Daughter | — | 4 | ~1936 |
| Thomas Campbell | Head | — | 46 | ~1894 |
| Paul Campbell | Son | — | 16 | ~1924 |
| Kenneth Campbell | Son | — | 15 | ~1925 |
| Thomas Campbell | Son | — | 9 | ~1931 |
| Earl Campbell | Son | — | 5 | ~1935 |
| Ruth Campbell | Spouse | — | 37 | ~1903 |
Census Appearances
1930
Genesee, Michigan
Daughter, age 1
Genesee, Michigan · implied b. ~1929 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Ruth E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Canada |
| Mother's Birthplace | Illinois |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Genesee-County, Michigan
Daughter, age 10
Genesee-County, Michigan · implied b. ~1930 — 11 household members
| Surname | Campbell |
| Given Name | Ruth M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Clio City |
| 1935 Residence (County) | Genesee |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 10 · b. ~1930 · Michigan
★ You are viewing this record
Sibling
Kenneth Campbell
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pearl Campbell
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Campbell
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Campbell
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Campbell
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Campbell
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Campbell
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Campbell
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 — Genesee-County, Michigan
Open full size
1940 US Federal Census — Genesee-County, Michigan
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01749-00470)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorothy A. Mattison | 25 | Daughter | — | Michigan |
| 2 | James D. Mattison | 18 | Son | — | Michigan |
| 3 | Robert C. Mattison | 16 | Son | — | Michigan |
| 4 | Gene Mattison | 12 | Son | — | Michigan |
| 5 | Edward L. Beeman | 72 | Head | — | Michigan |
| 6 | Ella L. Beeman | 62 | Wife | — | Ohio |
| 7 | Catherine R. Selby | 91 | Head | — | New York |
| 8 | Ora E. Selby | 59 | Daughter | — | Michigan |
| 9 | George M. Pound | 64 | Head | Farmer | Michigan |
| 10 | Mary E. Pound | 64 | Wife | Insurance Salesman | Michigan |
| 11 | Agnes Logan | 56 | Head | — | Michigan |
| 12 | Mary J. Logan | 14 | Daughter | — | England |
| 13 | John Mungall | 27 | Head | New Worker | Scotland |
| 14 | Louise Y. Mungall | 25 | Wife | Drill Press | Michigan |
| 15 | John D. Mungall | 4 | Son | — | Michigan |
| 16 | Fred T. Underhill | 65 | Head | — | Michigan |
| 17 | Ella S. Underhill | 61 | Wife | Carpenter | Michigan |
| 18 | Hazel Ly Bar | 48 | Head | — | Michigan |
| 19 | Ezra D. Smith | 54 | Roomer | Bookkeeper | Michigan |
| 20 | Thomas E. Campbell | 46 | Head | Clerk | England |
| 21 | Ruth M. Campbell | 37 | Wife | — | Illinois |
| 22 | Marie H. Campbell | 18 | Daughter | — | Canada |
| 23 | Paul E. Campbell | 16 | Son | Homework | Canada |
| 24 | Kenneth R. A. Campbell | 15 | Son | New Worker | England |
| 25 | Thelma T. Campbell | 13 | Daughter | New Worker | Michigan |
| 26 | Ruth M. Campbell THIS PERSON | 10 | Daughter | — | Michigan |
| 27 | Thomas E. Jr. Campbell | 9 | Son | — | Michigan |
| 28 | Pearl I. Campbell | 6 | Daughter | — | Michigan |
| 29 | Earl A. Campbell | 5 | Son | — | Michigan |
| 30 | Mary A. Campbell | 4 | Daughter | — | Michigan |
| 31 | John E. Henderson | 44 | Head | — | Michigan |
| 32 | Bertha Henderson | 38 | Wife | Finemoth | Michigan |
| 33 | Keith Henderson | 19 | Son | New York | Michigan |
| 34 | Wayne Henderson | 13 | Son | — | Michigan |
| 35 | Eva Martin | 30 | Wife | — | Michigan |
| 36 | Yvonne M. Martin | 9 | Daughter | — | Michigan |
| 37 | Maria Eskola | 72 | Mother | — | Finland |
| 38 | Lewis L. Wilmot | 69 | Head | — | Illinois |
| 39 | Alice L. Wilmot | 63 | Wife | — | 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)