MR
Margaret Reilly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Margaret Reilly across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 11-person household.
Age 14
b. ~1926
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Reilly |
| Given Name | Margaret J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1926 |
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 |
|---|---|---|---|---|
| Elizabeth Reilly | Daughter | — | 12 | ~1928 |
| Margaret Reilly | Daughter | — | 14 | ~1926 |
| Philip Reilly | Son | — | 10 | ~1930 |
| Julia Reilly | Daughter | — | 5 | ~1935 |
| Mary Reilly | Daughter | — | 8 | ~1932 |
| Kathryn Reilly | Daughter | — | 7 | ~1933 |
| Eugene Reilly | Son | — | 8 | ~1932 |
| Margaret Reilly | Spouse | — | 37 | ~1903 |
| Philip Reilly | Head | — | 37 | ~1903 |
| Anna Reilly | Daughter | — | 13 | ~1927 |
| Peter Reilly | Son | — | 1 | ~1939 |
Census Appearances
1930
Philadelphia, Pennsylvania
Other, age 4
Philadelphia, Pennsylvania · implied b. ~1926 — 49 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Reilly |
| Given Name | Margaret |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | U.S. |
| Mother's Birthplace | U.S. |
| Can Read/Write | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 14
Philadelphia-County, Pennsylvania · implied b. ~1926 — 11 household members
| Surname | Reilly |
| Given Name | Margaret J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Reilly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Reilly
Daughter · 1940 · age 14 · b. ~1926 · Pennsylvania
★ You are viewing this record
Sibling
Julia Reilly
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Reilly
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Reilly
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Philip Reilly
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Reilly
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Reilly
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Reilly
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn Reilly
Sibling · 1940 · age 7
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-t0627-03742-00556)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fay Siniboni | 13 | Grand daughter | — | Pennsylvania |
| 42 | Jean Koppard | 9 | Daughter | — | Pennsylvania |
| 43 | Philip Reilly | 37 | Head | Laborer | Pennsylvania |
| 44 | Margaret A Reilly | 37 | Wife | Housewife | Pennsylvania |
| 45 | Margaret J Reilly THIS PERSON | 14 | Daughter | — | Pennsylvania |
| 46 | Anna Reilly | 13 | Daughter | — | Pennsylvania |
| 47 | Elizabeth Reilly | 12 | Daughter | — | Pennsylvania |
| 48 | Philip Jr Reilly | 10 | Son | — | Pennsylvania |
| 49 | Eugene Reilly | 8 | Son | — | Pennsylvania |
| 50 | Mary Reilly | 8 | Daughter | — | Pennsylvania |
| 51 | Kathryn Reilly | 7 | Daughter | — | Pennsylvania |
| 52 | Julia Reilly | 5 | Daughter | — | Pennsylvania |
| 53 | Peter Reilly | 1 | Son | — | Pennsylvania |
| 54 | James Mccloskey | 56 | Head | Insurance Business | Pennsylvania |
| 55 | Ellen Mccloskey | 48 | Wife | Housewife | Pennsylvania |
| 56 | Eleanor Sheil | 27 | Daughter | Typist | Pennsylvania |
| 57 | Edward Sheil | 4 | Grandson | — | Pennsylvania |
| 58 | Joseph C Harrigan | 42 | Lodger | Accountant | Pennsylvania |
| 59 | Francisco Alvarez | 45 | Lodger | Laborer | Central America |
| 60 | Mason Courtright | 28 | Head | Salesman | Pennsylvania |
| 61 | Arline Courtright | 23 | Wife | Housewife | Pennsylvania |
| 62 | James Deeney | 51 | Head | Candy Maker | Pennsylvania |
| 63 | Anna R Deeney | 47 | Wife | Housewife | Pennsylvania |
| 64 | Mary R Deeney | 19 | Daughter | — | Pennsylvania |
| 65 | James Deeney | 16 | Son | — | Pennsylvania |
| 66 | Helen I Stout | 48 | Head | Home School Visitor | Pennsylvania |
| 67 | Jennie Stout | 70 | Mother | Housewife | Pennsylvania |
| 68 | Nathalie Witfield | 76 | Head | Housewife | France |
| 69 | Ethel Hassett | 42 | Head | Accounting | Pennsylvania |
| 70 | Margaret Hassett | 81 | Mother | — | Pennsylvania |
| 71 | Margaret M Hassett | 40 | Sister | Housewife | Pennsylvania |
| 72 | Walter Koppard | 35 | Head | Salesman | Pennsylvania |
| 73 | Martha Koppard | 32 | Wife | Housewife | Pennsylvania |
| 74 | Doris M Koppard | 12 | Daughter | — | Pennsylvania |
| 75 | Jean M Koppard | 10 | Daughter | — | Pennsylvania |
| 76 | Walter Koppard | 6 | Son | — | Pennsylvania |
| 77 | Joseph Koppard | 43 | Brother | — | Pennsylvania |
| 78 | William Knebels | 56 | Head | Manufacturer | Pennsylvania |
| 79 | Eleanor Knebels | 53 | Wife | Housewife | Pennsylvania |
| 80 | Catherine Knebels | 31 | Daughter | — | 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)