JC
Joseph Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Joseph Clark across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 21-person household.
Age 52
b. ~1888
Male
Head
Born: Penna
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Clark |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Penna |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Phila |
| Additional Details | |
| Occupation | Laborer |
| Industry | Brick Yard |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | No |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Occupation | Laborer |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1888 |
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.
21 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Sarah Clark | Daughter | — | 26 | ~1914 |
| Anne Rogers | Daughter | — | 12 | ~1928 |
| Annie Clark | Daughter | — | 28 | ~1912 |
| Margaret Rogers | Daughter | — | 13 | ~1927 |
| Mary Rogers | Daughter | — | 22 | ~1918 |
| Letticia Clark | Daughter | — | 15 | ~1925 |
| Joseph Clark | Head | — | 52 | ~1888 |
| Elizabeth Rogers | Other | — | 3 | ~1937 |
| Joseph Rogers | Other | — | 7 | ~1933 |
| Francis Rogers | Other | — | 10 | ~1930 |
| Francis Rogers | Other | — | 33 | ~1907 |
| Charles Clark | Son | — | 8 | ~1932 |
| Archibald Clark | Son | — | 21 | ~1919 |
| William Clark | Son | — | 17 | ~1923 |
| Andrew Clark | Son | — | 10 | ~1930 |
| Albert Clark | Son | — | 7 | ~1933 |
| Joseph Clark | Son | — | 23 | ~1917 |
| Robert Clark | Son | — | 12 | ~1928 |
| Thomas Clark | Son | — | 13 | ~1927 |
| Raymond Clark | Son | — | 3 | ~1937 |
| Mary Clark | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Philadelphia, Pennsylvania
Other, age 41
Philadelphia, Pennsylvania · implied b. ~1889 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Joseph L. |
| Relationship to Head | Step-son |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Germany |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Head, age 52
Philadelphia-County, Pennsylvania · implied b. ~1888 — 21 household members
| Surname | Clark |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Penna |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Phila |
| Occupation | Laborer |
| Industry | Brick Yard |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | No |
| 1935 Residence | Same place |
| 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 Joseph Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Joseph Clark
Head · 1940 · age 52 · b. ~1888 · Pennsylvania
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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-t0627-03730-00373)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert Pellaratta | 5 | Son | — | Penna |
| 2 | William Connelly | 38 | Head | Mechanic | Penna |
| 3 | Matilda Connelly | 32 | Wife | — | Penna |
| 4 | Dorothy Connelly | 9 | Daughter | — | Penna |
| 5 | Joseph Connelly | 8 | Son | — | Penna |
| 6 | Mary Connelly | 5 | Daughter | — | Penna |
| 7 | Frances Connelly | 2 | Daughter | — | Penna |
| 8 | Arthur Mcdonnell | 34 | Head | Bartender | Penna |
| 9 | Catherine Mcdonnell | 27 | Wife | — | Penna |
| 10 | Mary Mcdonnell | 66 | Mother | — | Eire |
| 11 | Francis Mcdonnell | 32 | Brother | Clerk | Penna |
| 12 | Mary Frost | 44 | Head | — | Penna |
| 13 | Mary Frost | 20 | Daughter | Typist | Penna |
| 14 | Catherine Frost | 19 | Daughter | Clerk | Penna |
| 15 | Thomas Frost | 17 | Son | — | Penna |
| 16 | Anna Frost | 15 | Daughter | — | Penna |
| 17 | James Frost | 13 | Son | — | Penna |
| 18 | Joseph Frost | 11 | Son | — | Penna |
| 19 | Francis Frost | 4 | Son | — | Penna |
| 20 | Joseph Clark THIS PERSON | 52 | Head | Laborer | Penna |
| 21 | Mary Clark | 50 | Wife | — | Penna |
| 22 | Annie Clark | 28 | Daughter | Packer | Penna |
| 23 | Sarah Clark | 26 | Daughter | — | Penna |
| 24 | Joseph Clark | 23 | Son | Polisher | Penna |
| 25 | Archibald Clark | 21 | Son | Janitor | Penna |
| 26 | William Clark | 17 | Son | New Worker | Penna |
| 27 | Letticia Clark | 15 | Daughter | — | Penna |
| 28 | Thomas Clark | 13 | Son | — | Penna |
| 29 | Robert Clark | 12 | Son | — | Penna |
| 30 | Andrew Clark | 10 | Son | — | Penna |
| 31 | Charles Clark | 8 | Son | — | Penna |
| 32 | Albert Clark | 7 | Son | — | Penna |
| 33 | Raymond Clark | 3 | Son | — | Penna |
| 34 | Francis Rogers | 33 | Son-in-law | Welder | Mass |
| 35 | Mary Rogers | 22 | Daughter | — | Penna |
| 36 | Margaret Rogers | 13 | Daughter | — | Penna |
| 37 | Anne Rogers | 12 | Daughter | — | Penna |
| 38 | Francis Rogers | 10 | Grandson | — | Penna |
| 39 | Joseph Rogers | 7 | Grandson | — | Penna |
| 40 | Elizabeth Rogers | 3 | Granddaughter | — | Penna |
Related Census Records
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)