JJ
John Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · New-York-County, New York
Our Model Tree links this John Jackson across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed), with identified parents James & Mattie — first a son (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | New-York-County, New York |
| Surname | Jackson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Manhattan Borough |
| 1935 Residence (County) | New York |
| Additional Details | |
| Occupation | Porter |
| Industry | Apt. House |
| Class of Worker | PW |
| Hours Worked | 66 |
| Income (1939) | 260 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Porter |
| Township / Ward | Manhattan Borough |
| Est. Birth Year | ~1916 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Jackson | Daughter | — | 21 | ~1919 |
| Blanche Jackson | Daughter | — | 19 | ~1921 |
| Mattie Jackson | Head | — | 60 | ~1880 |
| John Jackson | Son | — | 24 | ~1916 |
Census Appearances
1920
Union, New …
Son, age 4
Union, New Jersey · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Georgia |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
New York, …
Son, age 14
New York, New York · implied b. ~1916 — 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 | 14 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Georgia |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Mother Tongue | 6 |
| Home Owned/Rented | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
New-York-County, New …
Son, age 24
New-York-County, New York · implied b. ~1916 — 4 household members
| Surname | Jackson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Manhattan Borough |
| 1935 Residence (County) | New York |
| Occupation | Porter |
| Industry | Apt. House |
| Class of Worker | PW |
| Hours Worked | 66 |
| Income (1939) | 260 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 James Jackson (~0.92 confidence) and mother Mattie Jackson (~0.92 confidence) and mother Mattie Jackson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Jackson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Mattie Jackson
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Mattie Jackson
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Jackson
Son · 1940 · age 24 · b. ~1916 · New York
★ You are viewing this record
Sibling
Blanche Jackson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Jackson
Sibling · 1940 · age 21
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 — New-York-County, New York
Open full size
1940 US Federal Census — New-York-County, New York
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02652-00102)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert Brown | 30 | Lodger | Butcher | Virginia |
| 2 | Dorothy Brown | 28 | Lodger | Servant | Virginia |
| 3 | Mattie Jackson | 60 | Head | Servant | New Jersey |
| 4 | John Jackson THIS PERSON | 24 | Son | Porter | New Jersey |
| 5 | Eleanor Jackson | 21 | Daughter | Waitress | New Jersey |
| 6 | Blanche Jackson | 19 | Daughter | Typist | New Jersey |
| 7 | Annie Young | 48 | Head | — | S. Carolina |
| 8 | Helen Smith | 34 | Head | — | Illinois |
| 9 | Jerry Smith | 11 | Son | — | New Jersey |
| 10 | Donald Smith | 8 | Son | — | New Jersey |
| 11 | Brita Smith | 6 | Daughter | — | New Jersey |
| 12 | Perling Smith | 4 | Son | — | New York |
| 13 | Thomas Finish | 45 | Head | Waiter | N. Carolina |
| 14 | Maggie Finish | 50 | Wife | — | N. Carolina |
| 15 | George Cooper | 33 | Step-son | Boot-Black | N. Carolina |
| 16 | Edith Day | 19 | Niece | Servant | N. Carolina |
| 17 | William Day | 18 | Niece | Servant | N. Carolina |
| 18 | Anna Thomas | 38 | Head | Servant | Pennsylvania |
| 19 | Clarence Thomas | 21 | Son | Dish Washer | Pennsylvania |
| 20 | Ethel Henry | 53 | Lodger | Servant | Pennsylvania |
| 21 | Ernest Bailey | 47 | Lodger | Labourer | New Jersey |
| 22 | Embury Cooper | 36 | Head | Music Teacher | Russia |
| 23 | Elsie Cooper | 36 | Wife | — | New York |
| 24 | Thelma Cooper | 15 | Daughter | — | New York |
| 25 | Marie Morton | 60 | Head | — | New York |
| 26 | Anna New Baron | 36 | Head | — | Germany |
| 27 | Marco Kalish | 53 | Head | Manager | Bulgaria |
| 28 | Isabel Kalish | 48 | Wife | — | Rumania |
| 29 | Adela Kalish | 17 | Daughter | — | New York |
| 30 | Alma Prenier | 47 | Head | Saleslady | New York |
| 31 | Alfred Prenier | 25 | Son | Elevator Op. | Mass |
| 32 | Louis Prenier | 25 | Son | Painter | Mass |
| 33 | Elizabeth White | 81 | Head | — | New York |
| 34 | Alice Macdonnell | 45 | Daughter | Tracer | New York |
| 35 | Robert Macdonnell | 24 | Grandson | Messenger | New York |
| 36 | Samuel Solomon | 38 | Head | Manager | Poland |
| 37 | Esther Solomon | 35 | Wife | — | Russia |
| 38 | Jeanette Solomon | 3 | Daughter | — | New York |
| 39 | Aaron Wolfe | 49 | Head | Manager | New York |
Pedigree Summary
John + 2 siblings
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)