MR
Margaret Robertson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Margaret Robertson across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1911), then head of a 6-person household.
Age 29
b. ~1911
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Robertson |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Additional Details | |
| Occupation | Secretary |
| Industry | Medical |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 236 |
| Highest Grade | C 4 |
| 1935 Residence | Penna |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Secretary |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1911 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Robert Robertson | Son | — | 19 | ~1921 |
| William Robertson | Head | — | 56 | ~1884 |
| Alfonse Robertson | Daughter | — | 23 | ~1917 |
| Margaret Robertson | Daughter | — | 29 | ~1911 |
| Mary Robertson | Spouse | — | 52 | ~1888 |
| William Robertson | Son | — | 21 | ~1919 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 18
Philadelphia, Pennsylvania · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 16 |
| 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 29
Philadelphia-County, Pennsylvania · implied b. ~1911 — 6 household members
| Surname | Robertson |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Occupation | Secretary |
| Industry | Medical |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 236 |
| Highest Grade | C 4 |
| 1935 Residence | Penna |
| 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 Robertson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Robertson
Daughter · 1940 · age 29 · b. ~1911 · Pennsylvania
★ You are viewing this record
Sibling
Robert Robertson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Robertson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfonse Robertson
Sibling · 1940 · age 23
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-t0627-03752-00736)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Estelle Gregg | 45 | Wife | — | Pennsylvania |
| 2 | Felipe Enrico | 52 | Head | Cook | Italy |
| 3 | Mina Enrico | 40 | Wife | — | Italy |
| 4 | Helen Enrico | 10 | Daughter | — | Pennsylvania |
| 5 | William Enrico | 6 | Son | — | Pennsylvania |
| 6 | Frank Glass | 37 | Head | Confectioner | Pennsylvania |
| 7 | Catherine Glass | 33 | Wife | — | Pennsylvania |
| 8 | Mary E. Glass | 5 | Daughter | — | Pennsylvania |
| 9 | James Mcclough | 59 | Head | Owner | Pennsylvania |
| 10 | Mary Mcclough | 51 | Wife | Owner | Pennsylvania |
| 11 | Ellen Straup | 66 | Head | Coml Artist | Pennsylvania |
| 12 | Ella Straup | 64 | Wife | — | Pennsylvania |
| 13 | John Mckay | 32 | Head | Clerk | Pennsylvania |
| 14 | Helen Mckay | 33 | Wife | — | Pennsylvania |
| 15 | Joan Mckay | 7 | Daughter | — | Pennsylvania |
| 16 | Raymond Burkhart | 53 | Head | Clerk | Pennsylvania |
| 17 | Florence Burkhart | 53 | Wife | — | Pennsylvania |
| 18 | Raymond Burkhart | 26 | Son | Pressman | Pennsylvania |
| 19 | William Robertson | 56 | Head | — | Pennsylvania |
| 20 | Mary Robertson | 52 | Wife | — | Pennsylvania |
| 21 | Margaret Robertson THIS PERSON | 29 | Daughter | Secretary | Pennsylvania |
| 22 | Alfonse Robertson | 23 | Daughter | — | Pennsylvania |
| 23 | William Robertson | 21 | Son | — | Pennsylvania |
| 24 | Robert Robertson | 19 | Son | — | Pennsylvania |
| 25 | May Murphy | 45 | Head | Secretary | Pennsylvania |
| 26 | Mary Murphy | 76 | Mother | — | Pennsylvania |
| 27 | Helen Dels | 38 | Sister | Saleslady | Pennsylvania |
| 28 | Ernest Dels | 15 | Nephew | — | Pennsylvania |
| 29 | Helen Dels | 8 | Niece | — | Pennsylvania |
| 30 | Lewis Benzon | 45 | Head | Manager | Pennsylvania |
| 31 | Sylvia Benzon | 40 | Wife | — | New York |
| 32 | Lewis Jr. Benzon | 8 | Son | — | Pennsylvania |
| 33 | Howard Schenkel | 34 | Brother in law | Draftsman | Pennsylvania |
| 34 | Alberta Schenkel | 35 | Sister | Secretary | Pennsylvania |
| 35 | Theodore Terface | 63 | Head | Salesman | Pennsylvania |
| 36 | Eva L. Terface | 56 | Wife | — | Pennsylvania |
| 37 | Jackson Terface | 29 | Son | Administrator | Pennsylvania |
| 38 | Ethel Terface | 27 | Daughter | Typist | Pennsylvania |
| 39 | Theodore A. Terface | 24 | Son | Clerk | Pennsylvania |
| 40 | Cary Davidson | 54 | Head | Owner | Virginia |
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)