MG
Margaret Graham — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Margaret Graham across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Margaret & James — first a daughter (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Female
Daughter
Born: Penna
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Graham |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Penna |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Township / Ward | Phila |
| Est. Birth Year | ~1910 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Graham | Daughter | — | 30 | ~1910 |
| James Coulson | Head | — | 66 | ~1874 |
| William Graham | Other | — | 30 | ~1910 |
| Margaret Coulson | Spouse | — | 68 | ~1872 |
Census Appearances
1920
Philadelphia, Pennsylvania
Daughter, age 10
Philadelphia, Pennsylvania · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1930
Philadelphia, Pennsylvania
Daughter, age 21
Philadelphia, Pennsylvania · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Occupation | Operator |
| Industry | Telephone Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Daughter, age 30
Philadelphia-County, Pennsylvania · implied b. ~1910 — 4 household members
| Surname | Graham |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Penna |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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 Graham across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Margaret Coulson (~0.92 confidence) and father James Coulson (~0.92 confidence) and father James Graham (~0.92 confidence) and mother Gertrude Graham (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Margaret Coulson
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
James Coulson
b. ~1874
Source father
● Household
· direct · ~0.92
Father
James Graham
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Gertrude Graham
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Graham
Daughter · 1940 · age 30 · b. ~1910 · Pennsylvania
★ You are viewing this record
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-t0627-03727-00195)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ella Harges | 57 | Wife | — | Penna |
| 42 | Edward Harges | 30 | Son | Knitter | Penna |
| 43 | Kathryn Harges | 28 | Daughter | — | Penna |
| 44 | Robert Harges | 25 | Son | — | Penna |
| 45 | Carl Kuehner | 35 | Head | Teacher | Penna |
| 46 | Ernestine Kuehner | 33 | Wife | — | Penna |
| 47 | John Carl Kuehner | 5 | Son | — | — |
| 48 | Albert Dalderer | 38 | Head | Mechanic | Germany |
| 49 | Clara Dalderer | 39 | Wife | — | Germany |
| 50 | Helen Dalderer | 13 | Daughter | — | Penna |
| 51 | Mildred Dalderer | 8 | Daughter | — | Penna |
| 52 | Ruth Dalderer | 6 | Daughter | — | Penna |
| 53 | Harry Oehmig | 45 | Head | Financial Secretary | Penna |
| 54 | Helen Oehmig | 46 | Wife | — | Penna |
| 55 | Harry Oehmig | 23 | Son | Draftsman | Penna |
| 56 | Edward Oehmig | 18 | Son | — | Penna |
| 57 | Frank Oehmig | 49 | Brother | Advertisement Clerk | Penna |
| 58 | William Manuel | 52 | Head | Clerk | Penna |
| 59 | Margaret Manuel | 44 | Wife | — | Penna |
| 60 | Richard Manuel | 57 | Brother | Machinist | Germany |
| 61 | John Smith | 51 | Head | Agent | Penna |
| 62 | Anna Smith | 46 | Wife | — | Penna |
| 63 | John J. Smith | 26 | Son | Clerk | Penna |
| 64 | Mary Smith | 24 | Daughter | Operator | Penna |
| 65 | Ruth Smith | 8 | Daughter | — | Penna |
| 66 | Annie Smith | 84 | Mother | — | Penna |
| 67 | Pauline Ennis | 71 | Head | — | Penna |
| 68 | Rennis Edith Ennis | 47 | Daughter | — | Penna |
| 69 | Eillen Ennis | 10 | Daughter | — | Penna |
| 70 | Lloyd Ennis | 8 | Son | — | Penna |
| 71 | Milner Faries | 74 | Sister | — | Penna |
| 72 | Francis Kelman | 32 | Head | Sales Engineer | Penna |
| 73 | Margaret Kelman | 23 | Wife | — | Penna |
| 74 | George Cieselski | 39 | Head | Clerk | New York |
| 75 | Ethel Cieselski | 38 | Wife | — | Penna |
| 76 | James Coulson | 66 | Head | Salesman | Penna |
| 77 | Margaret Coulson | 68 | Wife | — | Penna |
| 78 | Margaret Graham THIS PERSON | 30 | Daughter | — | Penna |
| 79 | William Graham | 30 | Son-in-law | Clerk | Penna |
| 80 | Frederick Hoepel | 47 | Head | Clerk | Penna |
Pedigree Summary
Margaret
Gen 1 · 4 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)