DJ
David Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clark-County, Ohio
Our Model Tree links this David Jackson across the 1920, 1930 and 1940 US Censuses in Clark-County, Ohio (XGBoost, ~Confirmed), with identified parents James & James — first a head (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clark-County, Ohio |
| Surname | Jackson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Clark |
| Additional Details | |
| Occupation | Janitor |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 740 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Janitor |
| Township / Ward | Springfield |
| Est. Birth Year | ~1914 |
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 David | Age | Birth yr |
|---|---|---|---|---|
| Joan Jackson | Daughter | — | ~1940 | |
| Annie Jackson | Spouse | — | 21 | ~1919 |
| David Jackson | Head | — | 26 | ~1914 |
Census Appearances
1920
Clark, Ohio
Son, age 6
Clark, Ohio · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | David D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Clark, Ohio
Son, age 16
Clark, Ohio · implied b. ~1914 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Davy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Clark-County, Ohio
Head, age 26
Clark-County, Ohio · implied b. ~1914 — 3 household members
| Surname | Jackson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Clark |
| Occupation | Janitor |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 740 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 David Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Jackson (~0.92 confidence) and father James Jackson (~0.92 confidence) and mother Mary Jackson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Jackson
b. ~1885
Source father
● Household
· direct · ~0.92
Father
James Jackson
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Mary Jackson
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Jackson
Head · 1940 · age 26 · b. ~1914 · Ohio
★ 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 — Clark-County, Ohio
Open full size
1940 US Federal Census — Clark-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03039-00653)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Merritt Whiteley | 10 | Son | — | Ohio |
| 42 | William H. Whiteley | 9 | Son | — | Ohio |
| 43 | Wanda Whiteley | 8 | Daughter | — | Ohio |
| 44 | Flossie Johnson | 47 | Head | — | Ohio |
| 45 | Boyd Shanklin | 48 | Lodger | Laborer | Kentucky |
| 46 | John Drummond | 76 | Lodger | — | Ohio |
| 47 | Joseph Roberts | 58 | Lodger | Laborer | Ohio |
| 48 | Charles Green | 37 | Head | Laborer | Ohio |
| 49 | Myrtle Green | 42 | Wife | New Worker | Ohio |
| 50 | Edward Baker | 41 | Brother-in-law | Laborer | Ohio |
| 51 | Marie Baker | 20 | Sister | — | Ohio |
| 52 | Clifford Davis | 52 | Head | Coal Dealer | Ohio |
| 53 | Earlie Davis | 51 | Wife | — | Tennessee |
| 54 | Henry Allen | 19 | Nephew | — | Ohio |
| 55 | Elizabeth Smith | 43 | Head | House Hold Aid | Tennessee |
| 56 | Jeff B. Parker | 23 | Son | Laborer | Tennessee |
| 57 | Willie Jr. Smith | 14 | Son | — | Ohio |
| 58 | Melvin Fanbro | 13 | Adopted Son | — | Ohio |
| 59 | Christine Ware | 8 | Granddaughter | — | Ohio |
| 60 | Marie Ware | 5 | Granddaughter | — | Ohio |
| 61 | William Ware | 56 | Lodger | Cement Finisher | Tennessee |
| 62 | James L. Jackson | 55 | Head | Cement Finisher | Ohio |
| 63 | Rodney Jackson | 24 | Son | Truck Driver | Ohio |
| 64 | Kenneth Jackson | 17 | Son | New Worker | Ohio |
| 65 | Oscar T. Jackson | 14 | Son | — | Ohio |
| 66 | David Jackson THIS PERSON | 26 | Head | Janitor | Ohio |
| 67 | Annie Jackson | 21 | Wife | — | Georgia |
| 68 | Joan Jackson | 0 | Daughter | — | Ohio |
| 69 | Ethel Snyder | 50 | Head | Housekeeping Aid | Ohio |
| 70 | Milton Snyder | 30 | Son | Laborer | Ohio |
| 71 | Ben Snyder | 24 | Son | Laborer | Ohio |
| 72 | Arthur Snyder | 22 | Son | Laborer | Ohio |
| 73 | Lela Lytle | 40 | Head | Laborer | Georgia |
| 74 | Paul Lytle | 25 | Son | — | Georgia |
| 75 | Joe Hern | 35 | Lodger | — | Georgia |
| 76 | Louise Simms | 22 | Head | House Maid | Georgia |
| 77 | Edward Simms | 22 | Husband | Porter | Georgia |
| 78 | Robert Bradford | 23 | Head | Pin Setter | Alabama |
| 79 | Arlene Bradford | 15 | Wife | — | Ohio |
| 80 | Jesse Boozer | 40 | Head | Laborer | Alabama |
Pedigree Summary
David
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)