HC
Helen Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lancaster-County, Pennsylvania
Our Model Tree links this Helen Campbell across the 1930 and 1940 US Censuses in Lancaster-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1914), then head of a 16-person household.
Age 26
b. ~1914
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lancaster-County, Pennsylvania |
| Surname | Campbell |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Lancaster |
| 1935 Residence (County) | Lancaster |
| Additional Details | |
| Occupation | House wife |
| Class of Worker | NP |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | House Wife |
| Township / Ward | Neffsville Part |
| Est. Birth Year | ~1914 |
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.
16 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Campbell | Daughter | — | 18 | ~1922 |
| Gladys Campbell | Daughter | — | 14 | ~1926 |
| Sarah Campbell | Daughter | — | 16 | ~1924 |
| Helen Campbell | Daughter | — | 2 | ~1938 |
| Nancy Campbell | Daughter | — | 10 | ~1930 |
| Charles Campbell | Head | — | 47 | ~1893 |
| Richard Campbell | Son | — | 8 | ~1932 |
| Harold Campbell | Son | — | 25 | ~1915 |
| Edward Campbell | Son | — | 12 | ~1928 |
| Harold Campbell | Son | — | 5 | ~1935 |
| Carl Campbell | Son | — | 28 | ~1912 |
| David Campbell | Son | — | 6 | ~1934 |
| Larry Campbell | Son | — | 2 | ~1938 |
| Mary Campbell | Spouse | — | 48 | ~1892 |
| Helen Campbell | Spouse | — | 26 | ~1914 |
| Ruth Campbell | Spouse | — | 20 | ~1920 |
Census Appearances
1930
Lancaster, Pennsylvania
Daughter, age 15
Lancaster, Pennsylvania · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| 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
Lancaster-County, Pennsylvania
Spouse, age 26
Lancaster-County, Pennsylvania · implied b. ~1914 — 16 household members
| Surname | Campbell |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Lancaster |
| 1935 Residence (County) | Lancaster |
| Occupation | House wife |
| Class of Worker | NP |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Helen Campbell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Helen Campbell
Spouse · 1940 · age 26 · b. ~1914 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lancaster-County, Pennsylvania
Open full size
1940 US Federal Census — Lancaster-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03533-00514)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mildred J. Thomas | 2 | Son | — | Pennsylvania |
| 2 | Mary Lou Thomas | 0 | Daughter | — | Pennsylvania |
| 3 | Emery Case | 47 | Head | Insurance Salesman | Pennsylvania |
| 4 | Nellie Case | 47 | Wife | House-Wife | Pennsylvania |
| 5 | Margaret Kaufman | 73 | M-in-law | — | Pennsylvania |
| 6 | John H. Brubaker | 75 | Head | — | Pennsylvania |
| 7 | Lizzie K. Brubaker | 71 | Wife | — | Pennsylvania |
| 8 | Charles F. Campbell | 47 | Head | Electrician | Pennsylvania |
| 9 | Mary A. Campbell | 48 | Wife | House Wife | Pennsylvania |
| 10 | Dorothy Campbell | 18 | Daughter | Sales Presser | Pennsylvania |
| 11 | Sarah Campbell | 16 | Daughter | — | Pennsylvania |
| 12 | Gladys Campbell | 14 | Daughter | — | Pennsylvania |
| 13 | Edward Campbell | 12 | Son | — | Pennsylvania |
| 14 | Nancy Campbell | 10 | Daughter | — | Pennsylvania |
| 15 | Richard Campbell | 8 | Son | — | Pennsylvania |
| 16 | David Campbell | 6 | Son | — | Pennsylvania |
| 17 | Harold F. Campbell | 25 | Son | Laborer | Pennsylvania |
| 18 | Helen Campbell THIS PERSON | 26 | Wife | House Wife | Pennsylvania |
| 19 | Harold F. Campbell | 5 | Son | — | Pennsylvania |
| 20 | Helen M. Campbell | 2 | Daughter | — | Pennsylvania |
| 21 | Carl Campbell | 28 | Son | Electrician | Pennsylvania |
| 22 | Ruth Campbell | 20 | Wife | House Wife | Pennsylvania |
| 23 | Larry Campbell | 2 | Son | — | Pennsylvania |
| 24 | Thomas Hersh | 20 | Head | New Worker | Pennsylvania |
| 25 | Mary Hersh | 21 | Wife | House Wife | Pennsylvania |
| 26 | Reid Hersh | 0 | Son | — | Pennsylvania |
| 27 | Harry S. Nickel | 25 | Head | Laborer | Pennsylvania |
| 28 | Helen Nickel | 25 | Wife | House Wife | Pennsylvania |
| 29 | Eva Nickel | 6 | Daughter | — | Pennsylvania |
| 30 | Anna Nickel | 4 | Daughter | — | Pennsylvania |
| 31 | David Jr. Nickel | 2 | Son | — | Pennsylvania |
| 32 | George Nickel | 0 | Son | — | Pennsylvania |
| 33 | Lulu Nickel | 55 | Mother | House-Wife | Pennsylvania |
| 34 | Norman Krumla | 24 | Brother | Textile Work | Pennsylvania |
| 35 | Miley Irvin Brethren Home | 58 | Head | Steward | Pennsylvania |
| 36 | Katie Brethren Home | 55 | Wife | Matron | Pennsylvania |
| 37 | Elizabeth Miller | 43 | Lodger | Cook | Pennsylvania |
| 38 | Melvin Anstine | 34 | Lodger | Ass Cook | Pennsylvania |
| 39 | Mary Ann Ely | 72 | Lodger | Nursing | Pennsylvania |
| 40 | Allie Mast | 49 | Lodger | Nursing | 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)