RC
Richard Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Ohio
Our Model Tree links this Richard Campbell across the 1930 and 1940 US Censuses in Jefferson-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 7-person household.
Age 15
b. ~1925
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Ohio |
| Surname | Campbell |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Steubenville |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Steubenville |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Rebecca Campbell | Daughter | — | 10 | ~1930 |
| John Campbell | Head | — | 43 | ~1897 |
| Virginia Campbell | Daughter | — | 17 | ~1923 |
| Reba Campbell | Daughter | — | 13 | ~1927 |
| Audrey Campbell | Daughter | — | 8 | ~1932 |
| Reba Campbell | Spouse | — | 43 | ~1897 |
| Richard Campbell | Son | — | 15 | ~1925 |
Census Appearances
1930
Jefferson, Ohio
Son, age 5
Jefferson, Ohio · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | West Virginia |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Jefferson-County, Ohio
Son, age 15
Jefferson-County, Ohio · implied b. ~1925 — 7 household members
| Surname | Campbell |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Steubenville |
| 1935 Residence (County) | Jefferson |
| Industry | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Richard Campbell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Richard Campbell
Son · 1940 · age 15 · b. ~1925 · Ohio
★ You are viewing this record
Sibling
Audrey Campbell
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Reba Campbell
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rebecca Campbell
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Campbell
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 — Jefferson-County, Ohio
Open full size
1940 US Federal Census — Jefferson-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03091-00738)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jane O Hurt | 26 | Wife | — | Sweden |
| 42 | Anna Lindgren | 61 | Mother in law | — | Sweden |
| 43 | Paul Sigelmond | 42 | Head | Automobile Salesman | Russia |
| 44 | Anna Sigelmond | 39 | Wife | — | Russia |
| 45 | Harry Sigelmond | 12 | Son | — | Ohio |
| 46 | Roberta Sigelmond | 10 | Daughter | — | Ohio |
| 47 | Zora Moreilovich | 20 | Maid | Housework | Ohio |
| 48 | Henry Olszewski | 43 | Head | Miner | Poland |
| 49 | Stella Olszewski | 32 | Wife | — | Pennsylvania |
| 50 | Josephine Olszewski | 13 | Daughter | — | Ohio |
| 51 | Mary Olszewski | 12 | Daughter | — | Ohio |
| 52 | Betty R Olszewski | 10 | Daughter | — | Ohio |
| 53 | Florence Olszewski | 8 | Daughter | — | Ohio |
| 54 | Henry Olszewski | 6 | Son | — | Ohio |
| 55 | Caroline Olszewski | 3 | Daughter | — | Ohio |
| 56 | Billie Warykiewicz | 26 | Head | Labor | Ohio |
| 57 | Sophia Warykiewicz | 25 | Wife | — | Ohio |
| 58 | Albin Warykiewicz | 2 | Son | — | Ohio |
| 59 | William A Steen | 70 | Head | — | Ohio |
| 60 | Mary Steen | 66 | Wife | — | Ohio |
| 61 | Carl Steen | 33 | Son | Truck Driver | Ohio |
| 62 | Bernard Scanlon | 42 | Head | Clerk | Pennsylvania |
| 63 | Ruth Scanlon | 39 | Wife | — | Ohio |
| 64 | Ruth Scanlon | 9 | Daughter | — | Ohio |
| 65 | William C Jacobs | 36 | Head | Inspector | Pennsylvania |
| 66 | Katherine Jacobs | 37 | Wife | — | Pennsylvania |
| 67 | Le Roy T Jacobs | 16 | Son | — | Pennsylvania |
| 68 | Carlie Palmer | 43 | Head | Partner | Sweden |
| 69 | Christine Palmer | 44 | Wife | — | Indiana |
| 70 | Eleanor Palmer | 19 | Daughter | — | Ohio |
| 71 | Carl Palmer | 18 | Son | — | Illinois |
| 72 | Donald Palmer | 6 | Son | — | Ohio |
| 73 | John Campbell | 43 | Head | Engineer | Kentucky |
| 74 | Reba Campbell | 43 | Wife | — | West Virginia |
| 75 | Virginia Campbell | 17 | Daughter | — | Ohio |
| 76 | Richard Campbell THIS PERSON | 15 | Son | — | Ohio |
| 77 | Reba Campbell | 13 | Daughter | — | Ohio |
| 78 | Rebecca Campbell | 10 | Daughter | — | Ohio |
| 79 | Audrey Campbell | 8 | Daughter | — | Ohio |
| 80 | Oscar Wiggins | 53 | Head | Labor | Alabama |
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)