MC
Mary Campbell — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary Campbell across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1872), then head of a 5-person household.
Age 58
b. ~1872
Female
Spouse
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Campbell |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1890 |
| Age at First Marriage | 26 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Housework |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Housework |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1872 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Sara Campbell | Daughter | — | 18 | ~1912 |
| Rose Campbell | Daughter | — | 20 | ~1910 |
| Andrew Campbell | Head | — | 60 | ~1870 |
| Eugene Campbell | Son | — | 26 | ~1904 |
| Mary Campbell | Spouse | — | 58 | ~1872 |
Census Appearances
1900
Philadelphia, Pennsylvania
Spouse, age 27
Philadelphia, Pennsylvania · implied b. ~1873 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | May |
| Birth Year | 1873 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Housekeeper |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Philadelphia, Pennsylvania
Spouse, age 38
Philadelphia, Pennsylvania · implied b. ~1872 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 16 |
| Children Born | 6 |
| Children Living | 5 |
| Year of Immigration | 1885 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Philadelphia, Pennsylvania
Spouse, age 47
Philadelphia, Pennsylvania · implied b. ~1873 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Mary L |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1886 |
| 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 58
Philadelphia, Pennsylvania · implied b. ~1872 — 5 household members
| Surname | Campbell |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1890 |
| Age at First Marriage | 26 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Housework |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Philadelphia-County, Pennsylvania
Other, age 68
Philadelphia-County, Pennsylvania · implied b. ~1872 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Margaret |
| Relationship to Head | Mother in law |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | First papers filed |
| Industry | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| 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 Mary Campbell across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Campbell
Spouse · 1930 · age 58 · b. ~1872 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2135:0739)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Robert Zimmer | 59 | Head | — | Pennsylvania|Pennsylvnia |
| 52 | Edith Zimmer | 10 | Daughter | — | Pennsylvania|Pennsylvnia |
| 53 | Frederick W Zimmer | 6 | Son | — | Pennsylvania|Pennsylvnia |
| 54 | Paul Maurer | 66 | Head | Weaver | Germany |
| 55 | Marie Maurer | 59 | Wife | Housework | Germany |
| 56 | Marie Maurer | 33 | Daughter | Steno | Pennsylvania|Pennsylvnia |
| 57 | Anna Maurer | 23 | Daughter | Office | Pennsylvania|Pennsylvnia |
| 58 | Marcus Mollish | 40 | Head | Wood Worker | Austria |
| 59 | Maria Mollish | 40 | Wife | Housework | Austria |
| 60 | Margaret Mollish | 15 | Daughter | — | Pennsylvania|Pennsylvnia |
| 61 | Mike Mollish | 14 | Son | Silk Mill | Pennsylvania|Pennsylvnia |
| 62 | Marcus Mollish | 11 | Son | — | Pennsylvania|Pennsylvnia |
| 63 | John Mollish | 10 | Son | Salesman | Pennsylvania|Pennsylvnia |
| 64 | Anna Mollish | 14 | Daughter | — | Pennsylvania|Pennsylvnia |
| 65 | Helen Mollish | 8 | Daughter | — | Pennsylvania|Pennsylvnia |
| 66 | Stephen Zarish | 48 | Head | Glass Worker | Hungary |
| 67 | Agatha Zarish | 45 | Wife | Housework | Hungary |
| 68 | Joseph Zarish | 18 | Son | Glass Worker | Pennsylvania|Pennsylvnia |
| 69 | Stephen Zarish | 17 | Son | Silk Weaver | Pennsylvania|Pennsylvnia |
| 70 | Frank Zarish | 14 | Son | — | Pennsylvania|Pennsylvnia |
| 71 | Elizabeth Zarish | 12 | Daughter | — | Pennsylvania|Pennsylvnia |
| 72 | Edward Zarish | 9 | Son | — | Pennsylvania|Pennsylvnia |
| 73 | Robert Zarish | 7 | Son | — | Pennsylvania|Pennsylvnia |
| 74 | Clement Dallon | 31 | Head | Printer | Italy |
| 75 | Amelia Dallon | 31 | Wife | Housework | Italy |
| 76 | Regina Dallon | 6 | Daughter | — | Pennsylvania|Pennsylvnia |
| 77 | Alice Dallon | 7 | Daughter | — | Pennsylvania|Pennsylvnia |
| 78 | Lillian Dallon | 3 | Daughter | — | Pennsylvania|Pennsylvnia |
| 79 | Peter Zimmerman | 46 | Head | Auto Repair | Pennsylvania|Pennsylvnia |
| 80 | Millie Zimmerman | 42 | Wife | Housework | Pennsylvania|Pennsylvnia |
| 81 | Julia Zimmerman | 9 | Daughter | — | Pennsylvania|Pennsylvnia |
| 82 | Anna Zimmerman | 17 | Daughter | Laundress | Pennsylvania|Pennsylvnia |
| 83 | George Zimmerman | 43 | Lodger | — | Germany |
| 84 | Walter Wick | 36 | Head | Wholesale Coffee | Pennsylvania|Pennsylvnia |
| 85 | Marie Wick | 30 | Wife | Housework | Pennsylvania|Pennsylvnia |
| 86 | Walter Wick | 7 | Son | — | Pennsylvania|Pennsylvnia |
| 87 | Andrew Campbell | 60 | Head | Housework|Houseman | Ireland |
| 88 | Mary A Campbell THIS PERSON | 58 | Wife | Housework | Ireland |
| 89 | Eugene J Campbell | 26 | Son | Houseman | Pennsylvania|Pennsylvnia |
| 90 | Rose Campbell | 20 | Daughter | Houseman | Pennsylvania|Pennsylvnia |
| 91 | Sara Campbell | 18 | Daughter | Houseman | Pennsylvania|Pennsylvnia |
| 92 | Fred Zimmerman | 54 | Head | Plumber | Pennsylvania|Pennsylvnia |
| 93 | Anna Zimmerman | 45 | Wife | Housework | Germany |
| 94 | Nathaniel Waterman | 52 | Head | Machinist | England |
| 95 | Mary Waterman | 51 | Wife | Housework | England |
| 96 | Ernest Waterman | 25 | Son | Clerk | Pennsylvania|Pennsylvnia |
| 97 | Walter Waterman | 23 | Son | Machinist | Pennsylvania|Pennsylvnia |
| 98 | Doris Waterman | 16 | Daughter | — | Pennsylvania|Pennsylvnia |
| 99 | William H Newton | 33 | Head | Shipper | Pennsylvania|Pennsylvnia |
| 100 | Hannah Newton | 25 | Wife | Housework | Pennsylvania|Pennsylvnia |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)