MD
Mary Dickson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Dickson across the 1910, 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Irvin & Lucy — first a spouse (b.~1904), then head of a 3-person household.
Age 36
b. ~1904
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Dickson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1904 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Donald Dickson | Son | — | 11 | ~1929 |
| Mary Dickson | Spouse | — | 36 | ~1904 |
| Clarence Dickson | Head | — | 38 | ~1902 |
Census Appearances
1910
Philadelphia, Pennsylvania
Daughter, age 8
Philadelphia, Pennsylvania · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dickson |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Other, age 17
Philadelphia, Pennsylvania · implied b. ~1903 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dickson |
| Given Name | Margaret |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Other, age 27
Philadelphia, Pennsylvania · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dickson |
| Given Name | Margaret |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Spouse, age 36
Philadelphia-County, Pennsylvania · implied b. ~1904 — 3 household members
| Surname | Dickson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Income (1939) | 0 |
| Highest Grade | No 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 Mary Dickson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Irvin Dickson (~0.92 confidence) and mother Lucy Dickson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Irvin Dickson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Lucy Dickson
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Dickson
Spouse · 1940 · age 36 · b. ~1904 · 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-t0627-03716-00048)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Hicks | 51 | Lodger | Garageman | Georgia |
| 2 | Marie Hicks | 49 | Lodger | — | Florida |
| 3 | Albert Whitaker | 24 | Lodger | Laborer | N. Carolina |
| 4 | Elizabeth Irons | 28 | Head | — | Pennsylvania |
| 5 | Bertha Irons | 23 | Sister | Sewer | Pennsylvania |
| 6 | Leon Joyner | 42 | Lodger | Houseman | Virginia |
| 7 | Mazy Joyner | 41 | Lodger | Domestic | Virginia |
| 8 | George Hinton | 38 | Lodger | Laborer | Pennsylvania |
| 9 | Emma Hinton | 39 | Lodger | Domestic | New York |
| 10 | Thomas Williams | 40 | Lodger | Waiter | Delaware |
| 11 | Julius Smith | 45 | Head | Night Watchman | Pennsylvania |
| 12 | Mary Smith | 44 | Wife | — | Virginia |
| 13 | Sylvia Smith | 13 | Daughter | — | Pennsylvania |
| 14 | Thomas Giles | 36 | Head | Laborer | Virginia |
| 15 | Alice Giles | 35 | Wife | — | Maryland |
| 16 | Alberta Massey | 39 | Lodger | Domestic | N. Carolina |
| 17 | Willard Richardson | 41 | Head | Truck Driver | N. Carolina |
| 18 | Martha Richardson | 44 | Wife | Domestic | N. Carolina |
| 19 | Ruth Richardson | 10 | Daughter | — | Pennsylvania |
| 20 | Homer Isaac | 25 | Head | Porter | Texas |
| 21 | Betty Isaac | 22 | Wife | — | Oklahoma |
| 22 | Irma Isaac | 5 | Daughter | — | Pennsylvania |
| 23 | Doris Isaac | 3 | Daughter | — | Pennsylvania |
| 24 | Betty C. Isaac | 2 | Daughter | — | Pennsylvania |
| 25 | Amanda Jewett | 30 | Head | Stripper | Alabama |
| 26 | Doris L. Jewett | 2 | Daughter | — | Pennsylvania |
| 27 | Joan C. Jewett | 1 | Daughter | — | Pennsylvania |
| 28 | Ada Iries | 27 | Sister | Domestic | Alabama |
| 29 | Clarence Dickson | 38 | Head | Cook | Pennsylvania |
| 30 | Mary Dickson THIS PERSON | 36 | Wife | — | Pennsylvania |
| 31 | Donald Dickson | 11 | Son | — | Pennsylvania |
| 32 | Lester Riddick | 35 | Head | Driller | Virginia |
| 33 | Corine Riddick | 34 | Wife | — | Florida |
| 34 | Nancy Riddick | 12 | Daughter | — | Pennsylvania |
| 35 | Carolina Riddick | 11 | Daughter | — | Pennsylvania |
| 36 | Ednamal Riddick | 9 | Daughter | — | Pennsylvania |
| 37 | Effie Riddick | 8 | Daughter | — | Pennsylvania |
| 38 | Beatrice Riddick | 5 | Daughter | — | Pennsylvania |
| 39 | Lester C. Jr. Riddick | 2 | Son | — | Pennsylvania |
| 40 | Richard Bennett | 50 | Lodger | — | New York |
Pedigree Summary
Mary
Gen 1 · 2 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)