MS
Margaret Sweeney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Margaret Sweeney across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 11-person household.
Age 16
b. ~1924
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Sweeney |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1924 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Francis Sweeney | Son | — | 15 | ~1925 |
| Winifred Sweeney | Daughter | — | 13 | ~1927 |
| Winifred Sweeney | Spouse | — | 45 | ~1895 |
| Grace Sweeney | Daughter | — | 10 | ~1930 |
| Ann Sweeney | Daughter | — | 5 | ~1935 |
| Margaret Sweeney | Daughter | — | 16 | ~1924 |
| Mary Sweeney | Daughter | — | 20 | ~1920 |
| Regina Sweeney | Daughter | — | 12 | ~1928 |
| James Sweeney | Head | — | 45 | ~1895 |
| Charles Sweeney | Son | — | 19 | ~1921 |
| Joseph Sweeney | Son | — | 22 | ~1918 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 5
Philadelphia, Pennsylvania · implied b. ~1925 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | Margaret M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 16
Philadelphia-County, Pennsylvania · implied b. ~1924 — 11 household members
| Surname | Sweeney |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Highest Grade | H-1 |
| 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 Sweeney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Sweeney
Daughter · 1940 · age 16 · b. ~1924 · Pennsylvania
★ You are viewing this record
Sibling
Grace Sweeney
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Winifred Sweeney
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Sweeney
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Sweeney
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Regina Sweeney
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Sweeney
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Sweeney
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Sweeney
Sibling · 1940 · age 15
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 — 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-t0627-03717-00625)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Andrew Duckin | 51 | Head | Driver On Wagon | Pennsylvania |
| 42 | Sallie Duckin | 48 | Wife | — | Pennsylvania |
| 43 | Andrew Jr Duckin | 22 | son | Chauff | Pennsylvania |
| 44 | Leonard Duckin | 20 | son | New Worker | Pennsylvania |
| 45 | John Duckin | 10 | son | — | Pennsylvania |
| 46 | Regina Duckin | 6 | daughter | — | Pennsylvania |
| 47 | George A. Melton | 52 | Head | Laundry Man | Pennsylvania |
| 48 | Anna Melton | 40 | Wife | — | Pennsylvania |
| 49 | Rita Melton | 23 | Daughter | Stenographer | New Jersey |
| 50 | Martin Lardner | 68 | Head | — | Irish Free State |
| 51 | Mary Lardner | 27 | daughter | Typist | Pennsylvania |
| 52 | James Sweeney | 45 | Head | Fireman | No. Ireland |
| 53 | Winifred Sweeney | 45 | Wife | — | Pennsylvania |
| 54 | Joseph Sweeney | 22 | son | Apprentice Machinist | Pennsylvania |
| 55 | Mary Sweeney | 20 | Daughter | Gen'L Office Work | Pennsylvania |
| 56 | Charles Sweeney | 19 | son | Clerk | Pennsylvania |
| 57 | Margaret Sweeney THIS PERSON | 16 | daughter | — | Pennsylvania |
| 58 | Francis Sweeney | 15 | son | — | Pennsylvania |
| 59 | Winifred Sweeney | 13 | daughter | — | Pennsylvania |
| 60 | Regina Sweeney | 12 | daughter | — | Pennsylvania |
| 61 | Grace Sweeney | 10 | daughter | — | Pennsylvania |
| 62 | Ann Sweeney | 5 | daughter | — | Pennsylvania |
| 63 | Joseph Sr. Keifer | 36 | Head | Salesman | Pennsylvania |
| 64 | Anna Keifer | 29 | Wife | — | Pennsylvania |
| 65 | Elizabeth Keifer | 12 | daughter | — | Pennsylvania |
| 66 | Joseph Jr. Keifer | 10 | son | — | Pennsylvania |
| 67 | Anna Keifer | 9 | daughter | — | Pennsylvania |
| 68 | Patricia Keifer | 3 | daughter | — | Pennsylvania |
| 69 | John Zolynakski | 53 | Head | — | Poland |
| 70 | Amelia Zolynakski | 47 | Wife | Retail Candy Store | Poland |
| 71 | Benjamin Mcdaniel | 57 | Head | — | Pennsylvania |
| 72 | Nellie Mcdaniel | 54 | Wife | — | Pennsylvania |
| 73 | John Mcdaniel | 28 | son | Canvas Worker | Pennsylvania |
| 74 | James Mcdaniel | 22 | son | Can Packer | Pennsylvania |
| 75 | Vincent Mcdaniel | 19 | son | Office Boy | Pennsylvania |
| 76 | B Walton Mcdaniel | 35 | son | Repairman | Pennsylvania |
| 77 | Joseph C Brennan | 64 | Head | Watchman | Pennsylvania |
| 78 | Mary Brennan | 58 | Wife | — | Pennsylvania |
| 79 | John Patrick Brennan | 33 | son | Machine Operator | Pennsylvania |
| 80 | James Brennan | 28 | son | Watchman | 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)