CJ
Clarence Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · York-County, Pennsylvania
Our Model Tree links this Clarence Jackson across the 1920, 1930 and 1940 US Censuses in York-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 9-person household.
Age 55
b. ~1885
Male
Head
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | York-County, Pennsylvania |
| Surname | Jackson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | York City |
| 1935 Residence (County) | York |
| Additional Details | |
| Occupation | Chef |
| Industry | Hospital |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 1020 |
| Highest Grade | G 6 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Chef |
| Township / Ward | York City |
| Est. Birth Year | ~1885 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Charles Jackson | Son | — | 9 | ~1931 |
| Francis Jackson | Son | — | 20 | ~1920 |
| Mary Jackson | Daughter | — | 5 | ~1935 |
| Bruce Jackson | Son | — | 18 | ~1922 |
| Teresa Jackson | Daughter | — | 7 | ~1933 |
| John Jackson | Son | — | 13 | ~1927 |
| Thomas Jackson | Son | — | 16 | ~1924 |
| Clarence Jackson | Head | — | 55 | ~1885 |
| Edward Jackson | Son | — | 11 | ~1929 |
Census Appearances
1920
Philadelphia, Pennsylvania
Head, age 37
Philadelphia, Pennsylvania · implied b. ~1883 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Laborer |
| Industry | Building Up |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
York, Pennsylvania
Head, age 47
York, Pennsylvania · implied b. ~1883 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 24 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
York-County, Pennsylvania
Head, age 55
York-County, Pennsylvania · implied b. ~1885 — 9 household members
| Surname | Jackson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | York City |
| 1935 Residence (County) | York |
| Occupation | Chef |
| Industry | Hospital |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 1020 |
| Highest Grade | G 6 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Clarence Jackson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Clarence Jackson
Head · 1940 · age 55 · b. ~1885 · 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 — York-County, Pennsylvania
Open full size
1940 US Federal Census — York-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03645-00206)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jennie Stump | 38 | Head | Maid | Pennsylvania |
| 2 | Alice Stump | 80 | Mother | — | Pennsylvania |
| 3 | Earnest Dunn | 47 | Head | Carpenter | Maryland |
| 4 | Eva Dunn | 36 | Wife | — | Maryland |
| 5 | Owen Yeager | 77 | Father-in-law | — | Maryland |
| 6 | Robert Denning | 31 | Head | Teletype Operator | Pennsylvania |
| 7 | Margaret Denning | 28 | Wife | — | Pennsylvania |
| 8 | Clarence Jackson THIS PERSON | 55 | Head | Chef | Virginia |
| 9 | Francis Jackson | 20 | Son | Butler | Pennsylvania |
| 10 | Bruce Jackson | 18 | Son | Elevator Operator | Pennsylvania |
| 11 | Thomas Jackson | 16 | Son | — | Pennsylvania |
| 12 | John Jackson | 13 | Son | — | Pennsylvania |
| 13 | Edward Jackson | 11 | Son | — | Pennsylvania |
| 14 | Charles Jackson | 9 | Son | — | Pennsylvania |
| 15 | Teresa Jackson | 7 | Daughter | — | Pennsylvania |
| 16 | Mary Jackson | 5 | Daughter | — | Pennsylvania |
| 17 | John Freeland | 41 | Head | Delivery Truck Driver | Pennsylvania |
| 18 | Ada Freeland | 37 | Wife | — | Pennsylvania |
| 19 | Pearl Freeland | 21 | Daughter | Maid | Pennsylvania |
| 20 | Miriam Freeland | 19 | Daughter | Maid'S Nurse | Pennsylvania |
| 21 | John Freeland | 17 | Son | — | Pennsylvania |
| 22 | Joseph Freeland | 16 | Son | — | Pennsylvania |
| 23 | Michael Freeland | 14 | Son | — | Pennsylvania |
| 24 | Veronica Freeland | 12 | Daughter | — | Pennsylvania |
| 25 | Vincent Freeland | 9 | Son | — | Pennsylvania |
| 26 | Francis Freeland | 5 | Son | — | Pennsylvania |
| 27 | James Wertz | 48 | Head | Laborer | Pennsylvania |
| 28 | Elizabeth Wertz | 48 | Wife | Packer | Pennsylvania |
| 29 | Robert Wertz | 24 | Son | Apprentice Finisher | Pennsylvania |
| 30 | Grace Wertz | 22 | Daughter | Maid | Pennsylvania |
| 31 | Violet Wertz | 20 | Daughter | — | Pennsylvania |
| 32 | Elwood Marlow | 61 | Head | Sorter | Pennsylvania |
| 33 | Elizabeth Marlow | 59 | Wife | — | Pennsylvania |
| 34 | Mary Marlow | 79 | Head | — | Pennsylvania |
| 35 | Jesse Grace | 37 | Head | Butcher | Pennsylvania |
| 36 | Florence Grace | 35 | Wife | — | Pennsylvania |
| 37 | Patricia Grace | 7 | Daughter | — | Pennsylvania |
| 38 | Jean Grace | 5 | Daughter | — | Pennsylvania |
| 39 | Ellen Grace | 2 | Son | — | Pennsylvania |
| 40 | Edward Abendschoen | 42 | Head | Pressman | Pennsylvania |
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)