MC
Margaret Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Margaret Campbell across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1912), then head of a 15-person household.
Age 28
b. ~1912
Female
Daughter
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Campbell |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Saleslady |
| Industry | Retail Bakery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Saleslady |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1912 |
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.
15 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Ruth Campbell | Daughter | — | 9 | ~1931 |
| Roberta Campbell | Daughter | — | 5 | ~1935 |
| Margaret Campbell | Daughter | — | 28 | ~1912 |
| Theresa Stuecklein | Daughter | — | 9 | ~1931 |
| Jean Campbell | Daughter | — | 10 | ~1930 |
| Florence Stuecklein | Daughter | — | 15 | ~1925 |
| Christ Stuecklein | Head | — | 57 | ~1883 |
| Robert Campbell | Other | — | 3 | ~1937 |
| Carl Stuecklein | Son | — | 21 | ~1919 |
| Richard Stuecklein | Son | — | 14 | ~1926 |
| Wilbert Stuecklein | Son | — | 9 | ~1931 |
| Bernard Stuecklein | Son | — | 23 | ~1917 |
| Irwin Stuecklein | Son | — | 16 | ~1924 |
| George Stuecklein | Son | — | 25 | ~1915 |
| Julia Stuecklein | Spouse | — | 64 | ~1876 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 18
Allegheny, Pennsylvania · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Pennsylvania |
| Occupation | Clerk |
| Industry | Dairy |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 28
Allegheny-County, Pennsylvania · implied b. ~1912 — 15 household members
| Surname | Campbell |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Saleslady |
| Industry | Retail Bakery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| 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 Margaret Campbell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Campbell
Daughter · 1940 · age 28 · b. ~1912 · Pennsylvania
★ You are viewing this record
Sibling
Irwin Stuecklein
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roberta Campbell
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Stuecklein
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Stuecklein
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Stuecklein
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Stuecklein
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Stuecklein
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilbert Stuecklein
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Campbell
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Campbell
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Stuecklein
Sibling · 1940 · age 9
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03660-00127)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruth Collins | 18 | Niece | Sales | Pennsylvania |
| 42 | Ellen Halling | 82 | Aunt | — | Irish Free State |
| 43 | Christ Stuecklein | 57 | Head | Baker | Germany |
| 44 | Julia Stuecklein | 64 | Wife | — | Germany |
| 45 | George Stuecklein | 25 | Son | Sales Manager | Pennsylvania |
| 46 | Bernard Stuecklein | 23 | Son | Salesman | Pennsylvania |
| 47 | Carl Stuecklein | 21 | Son | Automobile Mechanic | Pennsylvania |
| 48 | Irwin Stuecklein | 16 | Son | — | Pennsylvania |
| 49 | Florence Stuecklein | 15 | Daughter | — | Pennsylvania |
| 50 | Richard Stuecklein | 14 | Son | — | Pennsylvania |
| 51 | Theresa Stuecklein | 9 | Daughter | — | Pennsylvania |
| 52 | Wilbert Stuecklein | 9 | Son | — | Pennsylvania |
| 53 | Margaret Campbell THIS PERSON | 28 | Daughter | Saleslady | Pennsylvania |
| 54 | Jean Campbell | 10 | Daughter | — | Pennsylvania |
| 55 | Ruth Campbell | 9 | Daughter | — | Pennsylvania |
| 56 | Roberta Campbell | 5 | Daughter | — | Pennsylvania |
| 57 | Robert Campbell | 3 | Grandson | — | Pennsylvania |
| 58 | James E. Lacy | 74 | Head | — | England |
| 59 | Mary E. Lacy | 70 | Wife | — | Pennsylvania |
| 60 | Kain Void | None | Bernard | — | — |
| 61 | Helen A. Kain | 40 | Daughter | Private Secretary | Pennsylvania |
| 62 | Regis M. Kain | 28 | Son | Laborer | Pennsylvania |
| 63 | Bernard Kain | 60 | Lodger | Packer | Pennsylvania |
| 64 | William Carr | 63 | Head | — | Pennsylvania |
| 65 | Elizabeth Carr | 65 | Sister | — | Pennsylvania |
| 66 | Anna Carr | 50 | Sister | — | Pennsylvania |
| 67 | Mary Carr | 48 | Sister | Cleaning Woman | Pennsylvania |
| 68 | Frank Beal | 52 | Head | Foundryman | Germany |
| 69 | Elizabeth S. Beal | 52 | Wife | — | England |
| 70 | Ruth Beal | 31 | Daughter | Saleslady | Pennsylvania |
| 71 | Elymer H. Beal | 20 | Son | Laborer | Pennsylvania |
| 72 | Olive Beal | 18 | Daughter | New Worker | Pennsylvania |
| 73 | Frank Beal | 15 | Son | — | Pennsylvania |
| 74 | Jean M. Beal | 14 | Daughter | — | Pennsylvania |
| 75 | Albert R. Beal | 11 | Son | — | Pennsylvania |
| 76 | William J. Beal | 21 | Son | Truck Driver | Pennsylvania |
| 77 | Elizabeth Beal | 29 | Daughter-in-law | — | Pennsylvania |
| 78 | Elizabeth Buggely | 80 | Mother-in-law | — | England |
| 79 | Robert Doran | 76 | Head | — | Pennsylvania |
| 80 | Emma Doran | 69 | Wife | — | Pennsylvania |
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)