MC
Margaret Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Margaret Campbell across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 4-person household.
Age 40
b. ~1900
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Campbell |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Housework |
| Highest Grade | H 4 |
| 1935 Residence | Pennsylvania |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Housework |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1900 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Eileen Campbell | Daughter | — | 11 | ~1929 |
| James Campbell | Head | — | 41 | ~1899 |
| Walter Campbell | Son | — | 15 | ~1925 |
| Margaret Campbell | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Philadelphia, Pennsylvania
Other, age 22
Philadelphia, Pennsylvania · implied b. ~1898 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Marie C |
| Relationship to Head | Sister-in-law |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1916 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Philadelphia, Pennsylvania
Spouse, age 31
Philadelphia, Pennsylvania · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1917 |
| Age at First Marriage | 23 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Philadelphia-County, Pennsylvania
Spouse, age 40
Philadelphia-County, Pennsylvania · implied b. ~1900 — 4 household members
| Surname | Campbell |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Occupation | Housework |
| Highest Grade | H 4 |
| 1935 Residence | Pennsylvania |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Margaret Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Campbell
Spouse · 1940 · age 40 · b. ~1900 · 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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03717-00250)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joan Maguire | 15 | Daughter | — | Pennsylvania |
| 2 | Chas Bickel | 28 | Head | Roofer | Pennsylvania |
| 3 | Elizabeth Bickel | 30 | Wife | — | Pennsylvania |
| 4 | Marian Bickel | 12 | Daughter | — | Pennsylvania |
| 5 | Elizabeth Bickel | 9 | Daughter | — | Pennsylvania |
| 6 | Charles Bickel | 3 | Son | — | Pennsylvania |
| 7 | Timothy Bickel | 0 | Son | — | Pennsylvania |
| 8 | Elsie Knoll | 52 | Head | Spinner | Pennsylvania |
| 9 | Edward Knoll | 26 | Son | Cutter | Pennsylvania |
| 10 | James Campbell | 41 | Head | Stock Clerk | Philadelphia |
| 11 | Margaret Campbell THIS PERSON | 40 | Wife | Housework | Ireland |
| 12 | Walter Campbell | 15 | Son | — | Ireland |
| 13 | Eileen Campbell | 11 | Daughter | — | Pennsylvania |
| 14 | Peter King | 40 | Head | Chauffeur | Hungary |
| 15 | Anna King | 36 | Wife | Operator | Hungary |
| 16 | Anna King | 16 | Daughter | — | Pennsylvania |
| 17 | Letitia Mulligan | 42 | Head | Housework | Pennsylvania |
| 18 | Edward Mulligan | 17 | Son | New Worker | Pennsylvania |
| 19 | Catherine Mulligan | 11 | Daughter | New Worker | Pennsylvania |
| 20 | Henry Mulligan | 8 | Son | — | Pennsylvania |
| 21 | Norman Burns | 34 | Head | Clerk | Pennsylvania |
| 22 | Alice Burns | 36 | Wife | Housework | Pennsylvania |
| 23 | Norman (Jr) Burns | 15 | Son | — | Pennsylvania |
| 24 | Norma Burns | 8 | Daughter | — | Pennsylvania |
| 25 | Ellen Stewart | 71 | Head | Housework | Ireland |
| 26 | Samuel T. Rosborough | 28 | Boarder | Prod. Supt. | Pennsylvania |
| 27 | E. Rosborough | 42 | Wife | — | Pennsylvania |
| 28 | Patrick Gallegher | 56 | Head | Carpenter | Ireland |
| 29 | Mary Gallegher | 54 | Wife | Housework | Ireland |
| 30 | Sarah Gallegher | 22 | Daughter | Candy Maker | Scotland |
| 31 | Anna Gallegher | 20 | Daughter | Candy Maker | Scotland |
| 32 | Mary Jane Gibson | 27 | Daughter | Housework | Ireland |
| 33 | Dennis Gibson | 3 | Son | — | Pennsylvania |
| 34 | Aloysius Gallagher | 41 | Head | Watchman | Pennsylvania |
| 35 | Catherine Gallagher | 41 | Wife | Housework | Pennsylvania |
| 36 | Aloysius (Jr) Gallagher | 19 | Son | Bagger | Pennsylvania |
| 37 | Gloria Gallagher | 16 | Daughter | — | Pennsylvania |
| 38 | Kathleen Gallagher | 9 | Daughter | — | Pennsylvania |
| 39 | Joseph Young | 50 | Head | Laborer | Poland |
| 40 | Agnes Young | 33 | Wife | — | Delaware |
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)