HJ
Harold Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Buchanan-County, Missouri
Our Model Tree links this Harold Jackson across the 1920, 1930 and 1940 US Censuses in Buchanan-County, Missouri (XGBoost, ~Confirmed), with identified parents Frank & Frank — first a son (b.~1901), then head of a 3-person household.
Age 39
b. ~1901
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Buchanan-County, Missouri |
| Surname | Jackson |
| Given Name | Harold |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Joseph City |
| 1935 Residence (County) | Buchanan |
| Additional Details | |
| Occupation | Plumber |
| Industry | Plumbing shop |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 770 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Plumber |
| Township / Ward | St Joseph City |
| Est. Birth Year | ~1901 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Frank Jackson | Head | — | 63 | ~1877 |
| Cora Jackson | Spouse | — | 60 | ~1880 |
| Harold Jackson | Son | — | 39 | ~1901 |
Census Appearances
1920
Buchanan, Missouri
Son, age 20
Buchanan, Missouri · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Michigan |
| Occupation | Plumber |
| Industry | Plumbing Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Buchanan, Missouri
Son, age 30
Buchanan, Missouri · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Harold L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Michigan |
| Occupation | Plumber |
| Industry | Plumbing Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Buchanan-County, Missouri
Son, age 39
Buchanan-County, Missouri · implied b. ~1901 — 3 household members
| Surname | Jackson |
| Given Name | Harold |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Joseph City |
| 1935 Residence (County) | Buchanan |
| Occupation | Plumber |
| Industry | Plumbing shop |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 770 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Harold Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Jackson (~0.92 confidence) and father Frank Jackson (~0.92 confidence) and mother Cora Jackson (~0.92 confidence) and mother Cora Jackson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Jackson
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Frank Jackson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Cora Jackson
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Cora Jackson
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Jackson
Son · 1940 · age 39 · b. ~1901 · Missouri
★ 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 — Buchanan-County, Missouri
Open full size
1940 US Federal Census — Buchanan-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02088-00573)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Barbara Hart | 13 | daughter | — | Missouri |
| 2 | Eugene Hart | 7 | son | — | Missouri |
| 3 | Elaine Hart | 4 | daughter | — | Missouri |
| 4 | Brice Rickard | 31 | head | Retail Grocery | Missouri |
| 5 | Opal Rickard | 30 | wife | Waitress | Missouri |
| 6 | Frank Bias | 58 | head | Lineman | Missouri |
| 7 | Ella Bias | 56 | wife | — | Missouri |
| 8 | Leonard Bias | 24 | son | Shipping Clerk | Missouri |
| 9 | Bessie Bias | 22 | daughter | Belt Girl | Missouri |
| 10 | Frank Jackson | 63 | head | Plumber | Missouri |
| 11 | Cora Jackson | 60 | wife | — | Michigan |
| 12 | Harold Jackson THIS PERSON | 39 | son | Plumber | Missouri |
| 13 | Sam Gaston | 30 | head | Grocery Clerk | Kansas |
| 14 | Edna Gaston | 21 | wife | — | Minnesota |
| 15 | Sarah Gaston | 85 | sister | — | Kansas |
| 16 | Begins Block 851 Hercends Block 850 | None | — | — | — |
| 17 | Ray L Bellis | 53 | head | Sheet Metal Operator | Missouri |
| 18 | Esther Bellis | 37 | wife | Machine Operator | Missouri |
| 19 | Marie Lucas | 67 | head | — | Missouri |
| 20 | Sam Ashkenazie | 55 | head | Retail Grocery Operator | Syria |
| 21 | Joyce Ashkenazie | 50 | wife | — | Syria |
| 22 | Isaac Ashkenazie | 21 | son | Clerk | Syria |
| 23 | Fanny Ashkenazie | 18 | daughter | Clerk | Kentucky |
| 24 | Victoria Ashkenazie | 16 | daughter | — | Kentucky |
| 25 | Rachel Ashkenazie | 12 | daughter | — | Florida |
| 26 | Claudia Weddle | 52 | head | Housekeeper | Missouri |
| 27 | Baxter Weddle | 13 | son | — | Missouri |
| 28 | Donna M Weddle | 10 | daughter | — | Missouri |
| 29 | James M Briggs | 22 | head | Electrician | Kansas |
| 30 | Claudine Briggs | 21 | wife | — | Missouri |
| 31 | Larry N Briggs | 2 | son | — | Missouri |
| 32 | Carl Christ | 35 | head | Upholster | Kansas |
| 33 | Eva Christ | 43 | wife | — | Missouri |
| 34 | Eugene Christ | 10 | son | — | Kansas |
| 35 | James A Myers | 51 | head | Pastry Cook | Kansas |
| 36 | Edna Myers | 41 | wife | — | Kansas |
| 37 | Bonnie Myers | 18 | daughter | — | Kansas |
| 38 | Margaret Myers | 16 | daughter | — | Kansas |
| 39 | Alvin Myers | 13 | son | — | Kansas |
| 40 | Preston Myers | 10 | son | — | Kansas |
Pedigree Summary
Harold
Gen 1 · 4 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)