CJ
Clarence Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Clarence Jackson across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Elizabeth & Thomas — first a son (b.~1921), then head of a 4-person household.
Age 19
b. ~1921
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Jackson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Mechanist |
| Industry | Motors |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 24 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Mechanist |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1921 |
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 Clarence | Age | Birth yr |
|---|---|---|---|---|
| Melvin Jackson | Son | — | 24 | ~1916 |
| Clarence Jackson | Son | — | 19 | ~1921 |
| Elizabeth Jackson | Head | — | 60 | ~1880 |
| Olive Brock | Other | — | 25 | ~1915 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age
Philadelphia, Pennsylvania · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 10
Philadelphia, Pennsylvania · implied b. ~1920 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 19
Philadelphia-County, Pennsylvania · implied b. ~1921 — 4 household members
| Surname | Jackson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Occupation | Mechanist |
| Industry | Motors |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 24 |
| Highest Grade | 8 |
| 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 Clarence Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Elizabeth Jackson (~0.92 confidence) and father Thomas Jackson (~0.92 confidence) and mother Lillie Jackson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Elizabeth Jackson
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
Thomas Jackson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Lillie Jackson
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Jackson
Son · 1940 · age 19 · b. ~1921 · Pennsylvania
★ You are viewing this record
Sibling
Melvin Jackson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-03750-00482)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Armeinag Bogherian | 57 | Head | Manager | Turkey |
| 2 | Helen Bogherian | 37 | Wife | Clerk | Turkey |
| 3 | Sammy Bogherian | 10 | Son | — | Pennsylvania |
| 4 | Charles Bogherian | 7 | Son | — | Pennsylvania |
| 5 | Paul Bogherian | 5 | Son | — | Pennsylvania |
| 6 | George Bogherian | 2 | Son | — | Pennsylvania |
| 7 | Kehork Ghirinn | 61 | Lodger | — | Turkey |
| 8 | James Warren | 51 | Head | — | Kentucky |
| 9 | Bluemda Warren | 42 | Wife | — | Turkey |
| 10 | Rev George Jones | 51 | Head | Foreman | South Carolina |
| 11 | Addie Jones | 42 | Wife | — | South Carolina |
| 12 | Ray Hazan Jones | 21 | Son | Chauffeur | Pennsylvania |
| 13 | Julian Jones | 19 | Son | — | Pennsylvania |
| 14 | Jerome Jones | 15 | Son | — | Pennsylvania |
| 15 | Son Hagford | None | M | Building Const. | — |
| 16 | Lonnie Jenkins | 23 | Head | — | Delaware |
| 17 | Mary Lee Jenkins | 22 | Wife | — | South Carolina |
| 18 | Lena Williams | 56 | Head | Servant | Virginia |
| 19 | Mary Williams | 37 | Head | Cook | North Carolina |
| 20 | Annie Harding | 46 | Head | Cook | North Carolina |
| 21 | Ethel Harding | 7 | Daughter | — | New York |
| 22 | Lloyd Mccleland | 36 | Head | Cook | South Carolina |
| 23 | Louise Hollis | 21 | Head | Servant | South Carolina |
| 24 | Leonard Hollis | 15 | Son | — | South Carolina |
| 25 | Inez Hollis | 13 | Daughter | — | South Carolina |
| 26 | Eileen Hollis | 7 | Daughter | — | Pennsylvania |
| 27 | Elizabeth Jackson | 60 | Head | Waitress | North Carolina |
| 28 | Melvin Jackson | 24 | Son | Helper | Virginia |
| 29 | Clarence Jackson THIS PERSON | 19 | Son | Mechanist | Pennsylvania |
| 30 | Olive Brock | 25 | Niece | Servant | South Carolina |
| 31 | Carrie Snead | 21 | Head | Seamstress | Virginia |
| 32 | Mildred Snead | 14 | Daughter | — | Virginia |
| 33 | Barbara Ann Snead | 5 | Daughter | — | Pennsylvania |
| 34 | Helen Snead | 26 | Sister | Seamstress | Virginia |
| 35 | Annie Lee Snead | 12 | Niece | — | Virginia |
| 36 | Thomas Floyd | 50 | Head | Foreman | South Carolina |
| 37 | Ella Floyd | 47 | Wife | — | South Carolina |
| 38 | Virgie Caldwell | 33 | Head | Servant | Virginia |
| 39 | Lone William Caldwell | 16 | Son | — | Virginia |
| 40 | Irene Caldwell | 14 | Daughter | — | Virginia |
Pedigree Summary
Clarence + 1 sibling
Gen 1 · 3 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)