MG
Margaret Grant — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Margaret Grant across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & James — first a daughter (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Grant |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | PHILADELPHIA |
| Additional Details | |
| Occupation | Clerk |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 150 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1919 |
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 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Grant | Daughter | — | 21 | ~1919 |
| Doris Grant | Daughter | — | 9 | ~1931 |
| Margaret Grant | Spouse | — | 43 | ~1897 |
| James Grant | Son | — | 15 | ~1925 |
| James Grant | Head | — | 43 | ~1897 |
Census Appearances
1920
Philadelphia, Pennsylvania
Daughter, age 1
Philadelphia, Pennsylvania · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Daughter, age 11
Philadelphia, Pennsylvania · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 21
Philadelphia-County, Pennsylvania · implied b. ~1919 — 5 household members
| Surname | Grant |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | PHILADELPHIA |
| Occupation | Clerk |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 150 |
| Highest Grade | Hs 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 Grant across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Grant (~0.92 confidence) and father James Grant (~0.92 confidence) and father Lawrence Grant (~0.92 confidence) and mother Margaret Grant (~0.92 confidence) and mother Margaret Grant (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Grant
b. ~1897
Source father
● Household
· direct · ~0.92
Father
James Grant
b. ~1897
Source father
● Household
· direct · ~0.92
Father
Lawrence Grant
b. ~1897
Source father
● Household
· direct · ~0.92
Mother
Margaret Grant
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Margaret Grant
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Grant
Daughter · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Doris Grant
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Grant
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-t0627-03745-00245)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna Morrison | 22 | Wife | — | Pennsylvania |
| 42 | Samuel Morrison | 10 | Son | — | Pennsylvania |
| 43 | Jane Morrison | 9 | Daughter | — | Pennsylvania |
| 44 | William Morrison | 3 | Son | — | Pennsylvania |
| 45 | Jerome Morrison | 2 | Son | — | Pennsylvania |
| 46 | Frank Shott | 61 | Head | Painter | Pennsylvania |
| 47 | Anna Shott | 58 | Wife | — | Pennsylvania |
| 48 | Margaret Shott | 71 | Sister | — | Pennsylvania |
| 49 | Agnes Carroll | 39 | Head | Laundress | Pennsylvania |
| 50 | Edward Carroll | 18 | Son | — | Pennsylvania |
| 51 | Margaret Carroll | 15 | Daughter | — | Pennsylvania |
| 52 | Herbert Dornwalter | 41 | Head | Waiter | Pennsylvania |
| 53 | Catherine Dornwalter | 40 | Wife | — | Scotland |
| 54 | Albert Wittig | 53 | Head | Piano Tuner | Pennsylvania |
| 55 | Mabel Wittig | 51 | Wife | — | Pennsylvania |
| 56 | James Boyke | 41 | Head | Guard | Ireland |
| 57 | Nellie Boyke | 36 | Wife | — | Eire |
| 58 | Mary Boyke | 15 | Daughter | — | Pennsylvania |
| 59 | James Boyke | 7 | Son | — | Pennsylvania |
| 60 | Elizabeth Mcrea | 70 | Mother-in-law | — | Ireland |
| 61 | Theresa Gwyn | 12 | Niece | — | Pennsylvania |
| 62 | Ralph Diamond | 52 | Head | Private Business | Russia |
| 63 | Rose Diamond | 44 | Wife | — | Russia |
| 64 | Philip Diamond | 24 | Son | — | Pennsylvania |
| 65 | Norman Diamond | 14 | Son | — | Pennsylvania |
| 66 | Thomas A. Hunt | 31 | Head | Brakeman | Pennsylvania |
| 67 | Blanche Hunt | 30 | Wife | — | Maryland |
| 68 | Patricia Hunt | 10 | Daughter | — | Pennsylvania |
| 69 | Terrance Hunt | 7 | Son | — | Pennsylvania |
| 70 | William Foster | 31 | Head | Salesman | Pennsylvania |
| 71 | Marie Foster | 34 | Wife | — | Pennsylvania |
| 72 | Barbara Foster | 5 | Daughter | — | Pennsylvania |
| 73 | Marie Foster | 1 | Daughter | — | Pennsylvania |
| 74 | James Grant | 43 | Head | Engineer | Pennsylvania |
| 75 | Margaret Grant | 43 | Wife | — | Pennsylvania |
| 76 | Margaret Grant THIS PERSON | 21 | Daughter | Clerk | Pennsylvania |
| 77 | James Grant | 15 | Son | Clerk | Pennsylvania |
| 78 | Doris Grant | 9 | Daughter | — | Pennsylvania |
| 79 | Walter Stevens | 49 | Head | Milkman | Pennsylvania |
| 80 | Elvira Stevens | 51 | Wife | — | Pennsylvania |
Pedigree Summary
Margaret + 2 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)