JJ
John Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Fayette-County, Kentucky
Our Model Tree links this John Jackson across the 1920, 1930 and 1940 US Censuses in Fayette-County, Kentucky (XGBoost, ~Confirmed), with identified parents William & Josie — first a head (b.~1911), then head of a 6-person household.
Age 29
b. ~1911
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Fayette-County, Kentucky |
| Surname | Jackson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Lexington |
| 1935 Residence (County) | Fayette |
| Additional Details | |
| Income (1939) | 720 |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Lexington |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ollie Jackson | Daughter | — | 3 | ~1937 |
| Juanita Jackson | Daughter | — | 4 | ~1936 |
| John Jackson | Head | — | 29 | ~1911 |
| John Mayo | Other | — | 27 | ~1913 |
| Roberta Mayo | Other | — | 22 | ~1918 |
| Rhoda Jackson | Spouse | — | 23 | ~1917 |
Census Appearances
1920
Fayette, Kentucky
Son, age 10
Fayette, Kentucky · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Fayette, Kentucky
Head, age 20
Fayette, Kentucky · implied b. ~1910 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 19 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Laborer |
| Industry | Odd Jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 8 |
| Veteran | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Fayette-County, Kentucky
Head, age 29
Fayette-County, Kentucky · implied b. ~1911 — 6 household members
| Surname | Jackson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Lexington |
| 1935 Residence (County) | Fayette |
| Income (1939) | 720 |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 2 locations, using XGBoost record linkage. Identified parents: father William Jackson (~0.92 confidence) and mother Josie Jackson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Jackson
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Josie Jackson
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Jackson
Head · 1940 · age 29 · b. ~1911 · Kentucky
★ 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 — Fayette-County, Kentucky
Open full size
1940 US Federal Census — Fayette-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01302-00189)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Russell West | 1 | Nephew | — | Kentucky |
| 42 | James O Matson | 24 | Brother | Paper Hanger | Kentucky |
| 43 | William Matson | 20 | Brother | Paper Hanger | Kentucky |
| 44 | Oliver R. Matson | 11 | Brother | — | Kentucky |
| 45 | Ray Matson | 9 | Brother | — | Kentucky |
| 46 | Ernestine Matson | 18 | Sister | — | Kentucky |
| 47 | Mamie E. Matson | 16 | Sister | — | Kentucky |
| 48 | Helen Matson | 13 | Sister | — | Kentucky |
| 49 | Naomi Matson | 2 | Niece | — | Kentucky |
| 50 | Eugene Matson | 0 | Nephew | — | Kentucky |
| 51 | Ada O Grimes | 54 | Head | — | Kentucky |
| 52 | John Leak | 29 | Son in law | Laborer | Kentucky |
| 53 | Anna Leak | 28 | Daughter | — | Kentucky |
| 54 | Marietta Leak | 1 | Granddaughter | — | Kentucky |
| 55 | Effie Grimes | 65 | Sister | Cook | Kentucky |
| 56 | Ivory O Jordan | 67 | Head | — | Kentucky |
| 57 | Rosa Van Meter | 71 | Sister | — | Kentucky |
| 58 | Hattie Buchanan | 65 | Sister | — | Kentucky |
| 59 | Othel Van Meter | 19 | Nephew | Paper Hanger | Kentucky |
| 60 | Martha O Porter | 55 | Head | Cook | Kentucky |
| 61 | Mary Lucy Porter | 22 | Daughter | — | Kentucky |
| 62 | George Johnson | 57 | Brother | Jobber | Kentucky |
| 63 | Frannie Bell King | 13 | Granddaughter | — | Kentucky |
| 64 | Francis Meadows | 60 | Head | — | Kentucky |
| 65 | Samuel Meadows | 60 | Husband | — | Kentucky |
| 66 | George Older | 36 | Son in law | Laborer | Kentucky |
| 67 | Pauline Older | 32 | Daughter | — | Kentucky |
| 68 | (Blank) (Blank) | None | (blank) | (Blank) | (blank) |
| 69 | (Blank) (Blank) | None | (blank) | (Blank) | (blank) |
| 70 | (Blank) (Blank) | None | (blank) | (Blank) | (blank) |
| 71 | (Blank) (Blank) | None | (blank) | (Blank) | (blank) |
| 72 | John Jackson THIS PERSON | 29 | Head | — | Kentucky |
| 73 | Rhoda O Jackson | 23 | Wife | — | Kentucky |
| 74 | Juanita Jackson | 4 | Daughter | — | Kentucky |
| 75 | Ollie Mae Jackson | 3 | Daughter | — | Kentucky |
| 76 | John W. Mayo | 27 | Lodger | Laborer | Kentucky |
| 77 | Roberta Mayo | 22 | Lodger's wife | — | Kentucky |
| 78 | Hattie Blakden | 36 | Head | Laborer | Kentucky |
| 79 | Lillian O Blakden | 39 | Daughter | — | Kentucky |
| 80 | Henry O Hawkins | 57 | Head | Laborer | Kentucky |
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)