JJ
John Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Chester-County, Pennsylvania
Our Model Tree links this John Jackson across the 1920, 1930 and 1940 US Censuses in Chester-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Charles & Elizabeth — first a head (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Chester-County, Pennsylvania |
| Surname | Jackson |
| Given Name | John E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | East Fallowfield |
| 1935 Residence (County) | Chester |
| Additional Details | |
| Occupation | laborer |
| Industry | W.P.A. road work |
| Class of Worker | GW |
| Hours Worked | 20 |
| Income (1939) | 484 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | East Fallowfield |
| Est. Birth Year | ~1911 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Jeanette Jackson | Daughter | — | 4 | ~1936 |
| John Jackson | Head | — | 29 | ~1911 |
| Sara Jackson | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Montgomery, Pennsylvania
Son, age 8
Montgomery, Pennsylvania · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Chester, Pennsylvania
Son, age 18
Chester, Pennsylvania · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Chester-County, Pennsylvania
Head, age 29
Chester-County, Pennsylvania · implied b. ~1911 — 3 household members
| Surname | Jackson |
| Given Name | John E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | East Fallowfield |
| 1935 Residence (County) | Chester |
| Occupation | laborer |
| Industry | W.P.A. road work |
| Class of Worker | GW |
| Hours Worked | 20 |
| Income (1939) | 484 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| 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 John Jackson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Charles Jackson (~0.92 confidence) and mother Elizabeth Jackson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Jackson
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Jackson
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Jackson
Head · 1940 · age 29 · b. ~1911 · 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 — Chester-County, Pennsylvania
Open full size
1940 US Federal Census — Chester-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03464-00810)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sarah M Smith | 17 | Daughter | — | Pennsylvania |
| 42 | Rachel F Smith | 12 | Daughter | — | Pennsylvania |
| 43 | William G Solen | 25 | Lodger | — | Pennsylvania |
| 44 | Carol Johnson | 6 | Lodger | — | Pennsylvania |
| 45 | John Gates | 10 | Lodger | — | Pennsylvania |
| 46 | Samuel O Pennington | 32 | Head | Truck Driver | Pennsylvania |
| 47 | Henrietta Pennington | 18 | Wife | Housework | Pennsylvania |
| 48 | Martha E Pennington | 1 | Daughter | — | Pennsylvania |
| 49 | Leon S Pennington | 0 | Son | — | Pennsylvania |
| 50 | James Styer | 59 | Head | Shearman | Pennsylvania |
| 51 | Henrietta Styer | 51 | Wife | Housework | Maryland |
| 52 | Lydia M Styer | 28 | Daughter | New Worker | Pennsylvania |
| 53 | Pollyann Foddie | 76 | Mother-in-law | — | Maryland |
| 54 | Percy Nixon | 46 | Head | Shearman | Pennsylvania |
| 55 | Anna Nixon | 21 | Daughter | Housework | Pennsylvania |
| 56 | John O Pennington | 69 | Head | Clean Up Man | Pennsylvania |
| 57 | Ismail E Pennington | 60 | Head | Laborer | Pennsylvania |
| 58 | Laura E Pennington | 70 | Wife | — | Pennsylvania |
| 59 | John H Mckim | 61 | Head | Laborer | Pennsylvania |
| 60 | Maggie P Mckim | 62 | Wife | Housework | Pennsylvania |
| 61 | Herbert Brown | 61 | Head | Laborer | Pennsylvania |
| 62 | Peter Gray | 58 | Head | Weaver | Scotland |
| 63 | Lottie H Gray | 56 | Wife | Housework | New Jersey |
| 64 | Lloyd Washington | 32 | Head | Laborer | Pennsylvania |
| 65 | Clarence Carson | 35 | Head | Laborer | Pennsylvania |
| 66 | Anna Carson | 38 | Wife | Housework | Pennsylvania |
| 67 | Lydia Gray | 59 | Mother-in-law | Housework | Pennsylvania |
| 68 | William M Champ | 22 | Nephew | Laborer | Pennsylvania |
| 69 | John E Jackson THIS PERSON | 29 | Head | Laborer | Pennsylvania |
| 70 | Sara B Jackson | 28 | Wife | Housework | Pennsylvania |
| 71 | Jeanette B Jackson | 4 | Daughter | — | Pennsylvania |
| 72 | P Earl | 39 | Head | Utility Man | Pennsylvania |
| 73 | Gloria D Earl | 8 | Niece | — | Pennsylvania |
| 74 | R Pearl | 36 | Sister-in-law | Housework | Pennsylvania |
| 75 | William E Johnson | 44 | Head | Trimming Gang | Pennsylvania |
| 76 | Blanche E Johnson | 40 | Wife | Housework | Pennsylvania |
| 77 | Herbert A Johnson | 22 | Son | Farm Laborer | Pennsylvania |
| 78 | William E Jr Johnson | 20 | Son | New Worker | Pennsylvania |
| 79 | H. Preston Johnson | 16 | Son | — | Pennsylvania |
| 80 | Samuel R Johnson | 13 | Son | — | Pennsylvania |
Pedigree Summary
John
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)