EC
Emma Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, Pennsylvania
Our Model Tree links this Emma Campbell across the 1930 and 1940 US Censuses in Union-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 8-person household.
Age 18
b. ~1922
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, Pennsylvania |
| Surname | Campbell |
| Given Name | Emma M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Mifflinburg |
| 1935 Residence (County) | Union |
| Additional Details | |
| Occupation | Jobber |
| Industry | Knitting Mill |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 496 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Jobber |
| Township / Ward | Mifflinburg |
| Est. Birth Year | ~1922 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Emma | Age | Birth yr |
|---|---|---|---|---|
| Emma Campbell | Daughter | — | 18 | ~1922 |
| Constance Campbell | Daughter | — | 14 | ~1926 |
| Ralph Campbell | Son | — | 29 | ~1911 |
| Martha Campbell | Daughter | — | 16 | ~1924 |
| Margaret Campbell | Spouse | — | 58 | ~1882 |
| Hall Campbell | Head | — | 59 | ~1881 |
| Ruth Campbell | Daughter | — | 26 | ~1914 |
| Hall Campbell | Son | — | 22 | ~1918 |
Census Appearances
1930
Union, Pennsylvania
Daughter, age 8
Union, Pennsylvania · implied b. ~1922 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Emma M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Union-County, Pennsylvania
Daughter, age 18
Union-County, Pennsylvania · implied b. ~1922 — 8 household members
| Surname | Campbell |
| Given Name | Emma M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Mifflinburg |
| 1935 Residence (County) | Union |
| Occupation | Jobber |
| Industry | Knitting Mill |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 496 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 Emma Campbell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Emma Campbell
Daughter · 1940 · age 18 · b. ~1922 · Pennsylvania
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Sibling
Constance Campbell
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Campbell
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Campbell
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hall Campbell
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Campbell
Sibling · 1940 · age 16
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 — Union-County, Pennsylvania
Open full size
1940 US Federal Census — Union-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03615-00461)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruth Krause | 15 | Daughter-in-law | — | Pennsylvania |
| 2 | Fletcher W. Berry | 78 | Head | Blacksmith | Pennsylvania |
| 3 | Effie M. Berry | 75 | Wife | — | Pennsylvania |
| 4 | Harlan E. Berry | 38 | Head | — | Pennsylvania |
| 5 | Mary E. Berry | 69 | Wife | — | Pennsylvania |
| 6 | Carl D. Bingaman | 34 | Head | Insurance | Pennsylvania |
| 7 | Harlan H. Bingaman | 30 | Wife | — | Pennsylvania |
| 8 | Joan H. Bingaman | 5 | Daughter | — | Pennsylvania |
| 9 | Truman S. Bowersox | 40 | Head | Mechanic | Pennsylvania |
| 10 | Alma B. Bowersox | 37 | Wife | — | Pennsylvania |
| 11 | Lois J. Bowersox | 16 | Daughter | — | Pennsylvania |
| 12 | Harlan E. Bowersox | 8 | Son | — | Pennsylvania |
| 13 | David H. Bowersox | 5 | Son | — | Pennsylvania |
| 14 | Samuel G. Bowersox | 6 | Son | — | Pennsylvania |
| 15 | Mark C. Harrison | 55 | Head | — | Pennsylvania |
| 16 | Carrie M. Harrison | 33 | Wife | Owner | Pennsylvania |
| 17 | Elias E. Meak | 65 | Head | Laborer | Pennsylvania |
| 18 | Alice E. Meak | 54 | Wife | — | Pennsylvania |
| 19 | James W. Heiser | 44 | Head | Machinist | Pennsylvania |
| 20 | Olive W. Heiser | 44 | Wife | — | Pennsylvania |
| 21 | Charles W. Welch | 46 | Head | Dray Man | Pennsylvania |
| 22 | Iott E. Welch | 44 | Wife | Seamstress | Pennsylvania |
| 23 | Ethel E. Welch | 23 | Daughter | Stenographer | Pennsylvania |
| 24 | Owen B. Welch | 21 | Son | Trucker | Pennsylvania |
| 25 | Bernard J. Burgess | 29 | Lodger | Traffic Dept. Asst. | Illinois |
| 26 | David C. Derr | 60 | Head | Laborer | Pennsylvania |
| 27 | Amelia B. Derr | 60 | Wife | — | Pennsylvania |
| 28 | Susan K. Blair | 63 | Head | — | Pennsylvania |
| 29 | Ralph R. Kratzer | 39 | Head | Trucker | Pennsylvania |
| 30 | Bessie M. Hause | 59 | Housekeeper | Housework | Pennsylvania |
| 31 | Hall C. Campbell | 59 | Head | Foreman | Pennsylvania |
| 32 | Margaret B. Campbell | 58 | Wife | — | Pennsylvania |
| 33 | Ralph C. Campbell | 29 | Son | Waiter | Pennsylvania |
| 34 | Ruth N. Campbell | 26 | Daughter | Stenographer | Pennsylvania |
| 35 | Hall J. Campbell | 22 | Son | Painter | Pennsylvania |
| 36 | Emma M. Campbell THIS PERSON | 18 | Daughter | Jobber | Pennsylvania |
| 37 | Martha W. Campbell | 16 | Daughter | — | Pennsylvania |
| 38 | Constance L. Campbell | 14 | Daughter | — | Pennsylvania |
| 39 | John C. Peterson | 51 | Head | Laborer | Pennsylvania |
| 40 | Kathryn M. Peterson | 50 | Wife | Operator | Pennsylvania |
Related Census Records
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)