RC
Robert Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Pennsylvania
Our Model Tree links this Robert Campbell across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Benson & Lillie — first a head (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Pennsylvania |
| Surname | Campbell |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Jefferson |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Wholesale gasoline |
| Class of Worker | PW |
| Hours Worked | 63 |
| Income (1939) | 1000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Truck Driver |
| Township / Ward | Brookville |
| Est. Birth Year | ~1917 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Campbell | Daughter | — | ~1940 | |
| Robert Campbell | Head | — | 23 | ~1917 |
| Richard Campbell | Son | — | 1 | ~1939 |
| Elizabeth Campbell | Spouse | — | 19 | ~1921 |
Census Appearances
1920
Jefferson, Pennsylvania
Son, age 3
Jefferson, Pennsylvania · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Jefferson, Pennsylvania
Son, age 13
Jefferson, Pennsylvania · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Jefferson-County, Pennsylvania
Head, age 23
Jefferson-County, Pennsylvania · implied b. ~1917 — 4 household members
| Surname | Campbell |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Jefferson |
| 1935 Residence (County) | Jefferson |
| Occupation | Truck driver |
| Industry | Wholesale gasoline |
| Class of Worker | PW |
| Hours Worked | 63 |
| Income (1939) | 1000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Robert Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Benson Campbell (~0.92 confidence) and mother Lillie Campbell (~0.92 confidence) and father Burton Campbell (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Benson Campbell
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Lillie Campbell
b. ~1893
Source mother
● Household
· direct · ~0.92
Father
Burton Campbell
b. ~1899
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Campbell
Head · 1940 · age 23 · b. ~1917 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Jefferson-County, Pennsylvania
Open full size
1940 US Federal Census — Jefferson-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03519-00285)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Uplinger | 59 | Head | Cabinetmaker | Pennsylvania |
| 42 | Dora Uplinger | 60 | Wife | — | Pennsylvania |
| 43 | Ronald Uplinger | 20 | Son | New Worker | Pennsylvania |
| 44 | Willis Ford | 26 | Roomer | Inspector | Pennsylvania |
| 45 | Frank Kuhn | 35 | Head | Salesclerk | Pennsylvania |
| 46 | Edith Kuhn | 33 | Wife | — | Pennsylvania |
| 47 | Patricia Kuhn | 11 | Daughter | — | Pennsylvania |
| 48 | Margaret Kuhn | 9 | Daughter | — | Pennsylvania |
| 49 | Kay Kuhn | 3 | Daughter | — | Pennsylvania |
| 50 | Anna Mills | 66 | Mother-in-law | — | Pennsylvania |
| 51 | Grace Masters | 54 | Head | Operator | Pennsylvania |
| 52 | Annie Groves | 72 | Sister | — | Pennsylvania |
| 53 | James Beck | 27 | Head | County Agent | Pennsylvania |
| 54 | Elizabeth Beck | 25 | Wife | Accountant | Pennsylvania |
| 55 | Arthur L. Novich | 48 | Head | — | California |
| 56 | Irma Novich | 40 | Wife | Linotype Operator | Indiana |
| 57 | Daniel Campbell | 45 | Brother-in-law | — | Indiana |
| 58 | Gladys Long | 44 | Head | — | Pennsylvania |
| 59 | Mary Ab. Long | 29 | Daughter | Bookkeeper | Pennsylvania |
| 60 | James Ab. Long | 27 | Son | Stenographer | Pennsylvania |
| 61 | Dorothy Long | 24 | Daughter | Carpenter | Pennsylvania |
| 62 | Harry E. Snyder | 50 | Head | — | Pennsylvania |
| 63 | Twila Snyder | 47 | Wife | — | Pennsylvania |
| 64 | Louis Visingard | 52 | Boarder | Laborer | New York |
| 65 | Jacob Thompson | 87 | Head | — | Pennsylvania |
| 66 | Mary Thompson | 76 | Wife | — | Pennsylvania |
| 67 | Cynthia Clark | 84 | Head | — | Pennsylvania |
| 68 | Clarence Clark | 47 | Son | Owner | Pennsylvania |
| 69 | Mary Clark | 44 | Daughter-in-law | Cook | Pennsylvania |
| 70 | Lillian Clark | 18 | Granddaughter | — | Pennsylvania |
| 71 | Ruth Clark | 13 | Granddaughter | — | Pennsylvania |
| 72 | Elfworth Clark | 57 | Head | Clerk | Pennsylvania |
| 73 | Rena Clark | 56 | Wife | — | Pennsylvania |
| 74 | Roy Clark | 22 | Son | Manager | Pennsylvania |
| 75 | Robert Clark | 14 | Son | — | Pennsylvania |
| 76 | Betty Clark | 11 | Daughter | — | Pennsylvania |
| 77 | Robert Campbell THIS PERSON | 23 | Head | Truck Driver | Pennsylvania |
| 78 | Elizabeth Campbell | 19 | Wife | — | Pennsylvania |
| 79 | Richard Campbell | 1 | Son | — | Pennsylvania |
| 80 | Dorothy Campbell | 0 | Daughter | — | Pennsylvania |
Pedigree Summary
Robert
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)