MJ
Mary Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Jackson across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Frank — first a spouse (b.~1879), then head of a 14-person household.
Age 61
b. ~1879
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Jackson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1879 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Robinson | Daughter | — | 17 | ~1923 |
| Ruth Robinson | Daughter | — | 14 | ~1926 |
| Christine Robinson | Daughter | — | 11 | ~1929 |
| Charles Robinson | Head | — | 42 | ~1898 |
| Joseph Jackson | Other | — | 6 | ~1934 |
| Matthew Burke | Other | — | 30 | ~1910 |
| Marie Minor | Other | — | 48 | ~1892 |
| Jerome Fisher | Other | — | 26 | ~1914 |
| Frederick Jackson | Son | — | 19 | ~1921 |
| John Neal | Son | — | 14 | ~1926 |
| Marie Robinson | Spouse | — | 39 | ~1901 |
| Rosalie Fisher | Spouse | — | 22 | ~1918 |
| Mary Jackson | Spouse | — | 61 | ~1879 |
| Catherine Burke | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Philadelphia, Pennsylvania
Daughter, age 41
Philadelphia, Pennsylvania · implied b. ~1879 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | House Work |
| Industry | Private Family |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Philadelphia, Pennsylvania
Other, age 52
Philadelphia, Pennsylvania · implied b. ~1878 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | Black |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 21 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Philadelphia-County, Pennsylvania
Spouse, age 61
Philadelphia-County, Pennsylvania · implied b. ~1879 — 14 household members
| Surname | Jackson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Highest Grade | No 5 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Mary Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Jackson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Jackson
b. ~1863
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Jackson
Spouse · 1940 · age 61 · b. ~1879 · 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-t0627-03744-00216)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles Robinson | 42 | Head | Laborer | Pennsylvania |
| 42 | Marie Robinson | 39 | Wife | New Worker | Pennsylvania |
| 43 | Elizabeth Robinson | 17 | Daughter | New Worker | Pennsylvania |
| 44 | Ruth Robinson | 14 | Daughter | — | Pennsylvania |
| 45 | Christine Robinson | 11 | Daughter | — | Pennsylvania |
| 46 | Marie Minor | 48 | Sister-in-law | Housework | Virginia |
| 47 | Mary Jackson THIS PERSON | 61 | Wife | — | Maryland |
| 48 | Matthew Burke | 30 | Son-in-law | Laborer | Virginia |
| 49 | Catherine Burke | 30 | Wife | Day Work | Maryland |
| 50 | John Neal | 14 | Son | — | Pennsylvania |
| 51 | Jerome Fisher | 26 | Son-in-law | Helper Truck | Maryland |
| 52 | Rosalie Fisher | 22 | Wife | — | Maryland |
| 53 | Frederick Jackson | 19 | Son | New Worker | Maryland |
| 54 | Joseph Jackson | 6 | Grandson | — | Maryland |
| 55 | Garry Jordan | 59 | Head | Laborer | Georgia |
| 56 | Carrie Jordan | 51 | Wife | — | Georgia |
| 57 | Dorothy Washington | 25 | Daughter | House Maid | Georgia |
| 58 | Joseph Jordan | 15 | Son | — | Pennsylvania |
| 59 | Ida Jordan | 13 | Daughter | — | Pennsylvania |
| 60 | Fred Jordan | 10 | Son | — | Pennsylvania |
| 61 | Myrtle Jordan | 8 | Daughter | — | Pennsylvania |
| 62 | Lillian Jackson | 43 | Head | Maid | Maryland |
| 63 | Alfred Jackson | 13 | Son | — | Pennsylvania |
| 64 | Pauline Jackson | 10 | Daughter | — | Pennsylvania |
| 65 | Doris Jackson | 6 | Daughter | — | Pennsylvania |
| 66 | Harry Jackson | 5 | Son | — | Pennsylvania |
| 67 | Van Jenkins | 27 | Head | Laborer | Georgia |
| 68 | Till Jenkins | 27 | Wife | — | Georgia |
| 69 | Joseph Jenkins | 27 | Son | Laborer | Georgia |
| 70 | Dora Jenkins | 24 | Daughter-in-law | Maid | Georgia |
| 71 | Olee Smith | 38 | Lodger | Laborer | Georgia |
| 72 | Martha Smith | 35 | Wife | — | Georgia |
| 73 | Annie Ruth Smith | 10 | Daughter | — | Georgia |
| 74 | John Mccarthy | 40 | Head | Helper Steam | Pennsylvania |
| 75 | Catherine Mccarthy | 39 | Wife | — | Pennsylvania |
| 76 | John Mccarthy | 19 | Son | Helper Steam | Pennsylvania |
| 77 | Catherine Mccarthy | 17 | Daughter | — | Pennsylvania |
| 78 | Mary Mccarthy | 13 | Daughter | — | Pennsylvania |
| 79 | Daniel Mccarthy | 12 | Son | — | Pennsylvania |
| 80 | Francis Malone | 53 | Head | Baker | Pennsylvania |
Related Census Records
Pedigree Summary
Mary
Gen 1 · 1 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)