HJ
Harold Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lafayette-County, Missouri
Our Model Tree links this Harold Jackson across the 1920, 1930 and 1940 US Censuses in Lafayette-County, Missouri (XGBoost, ~Confirmed), with identified parents C & Charles — first a head (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lafayette-County, Missouri |
| Surname | Jackson |
| Given Name | Harold D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lafayette |
| Additional Details | |
| Occupation | Coal Mine |
| Industry | Miner |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 521 |
| Highest Grade | No 6 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Coal Mine |
| Township / Ward | Davis Township |
| 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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Harold Jackson | Head | — | 26 | ~1914 |
| Elizabeth Jackson | Daughter | — | 2 | ~1938 |
| Ida Jackson | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Lafayette, Missouri
Son, age 6
Lafayette, Missouri · implied b. ~1914 — 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 | 6 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | No |
| Can Write | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Lafayette, Missouri
Son, age 16
Lafayette, Missouri · implied b. ~1914 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Laborer |
| Industry | Genl Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Lafayette-County, Missouri
Head, age 26
Lafayette-County, Missouri · implied b. ~1914 — 3 household members
| Surname | Jackson |
| Given Name | Harold D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lafayette |
| Occupation | Coal Mine |
| Industry | Miner |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 521 |
| Highest Grade | No 6 |
| 1935 Residence | Missouri |
| 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 C Jackson (~0.92 confidence) and father Charles Jackson (~0.92 confidence) and mother Frances Jackson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
C Jackson
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Charles Jackson
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Frances Jackson
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Jackson
Head · 1940 · age 26 · b. ~1914 · 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 — Lafayette-County, Missouri
Open full size
1940 US Federal Census — Lafayette-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02122-00274)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William A. Thieke | 35 | Son | Farmer | Missouri |
| 42 | Lucile Thieke | 32 | Daughter-in-law | — | Missouri |
| 43 | Burt, Burke Thieke | 13 | Grandson | — | Missouri |
| 44 | Ralph E. Powell | 57 | Head | Farmer | Missouri |
| 45 | Weston Powell | 54 | Brother | Farmer | Missouri |
| 46 | Kathryn Smith | 33 | Housekeeper | Housekeeper | Missouri |
| 47 | Raymond Manning | 42 | Head | Farmer | Missouri |
| 48 | Ruth Manning | 36 | Wife | — | Missouri |
| 49 | Billie Lou Manning | 18 | Son | Farm Laborer | Missouri |
| 50 | Sarah Manning | 16 | Daughter | — | Missouri |
| 51 | William Manning | 14 | Son | Farm Laborer | Missouri |
| 52 | Raymond Jr. Manning | 13 | Son | — | Missouri |
| 53 | Goldie May Manning | 11 | Daughter | — | Missouri |
| 54 | Lillie Mary Manning | 10 | Daughter | — | Missouri |
| 55 | Gertrude Manning | 9 | Daughter | — | Missouri |
| 56 | Walter Manning | 5 | Son | — | Missouri |
| 57 | Ruth Manning | 2 | Daughter | — | Missouri |
| 58 | Everett E. Byers | 64 | Head | Farmer | Missouri |
| 59 | Florence Byers | 62 | Wife | — | Missouri |
| 60 | Arthur Knehans | 44 | Head | Farmer | Missouri |
| 61 | Leona D. Knehans | 38 | Wife | — | Missouri |
| 62 | Mary Knehans | 8 | Daughter | — | Missouri |
| 63 | Margo Knehans | 8 | Daughter | — | Missouri |
| 64 | Charles H. Erdmann | 64 | Head | Farmer | Missouri |
| 65 | Hulda Erdmann | 59 | Wife | — | Missouri |
| 66 | Lydia Erdmann | 25 | Daughter | Thirty Three | Missouri |
| 67 | Harold D. Jackson THIS PERSON | 26 | Head | Coal Mine | Missouri |
| 68 | Ida Jackson | 21 | Wife | — | Missouri |
| 69 | Elizabeth Jackson | 2 | Daughter | — | Missouri |
| 70 | Ernest H. Franke | 39 | Head | Farmer | Missouri |
| 71 | Flora Franke | 37 | Wife | — | Missouri |
| 72 | Harlan Franke | 12 | Son | — | Missouri |
| 73 | John William Franke | 9 | Son | — | Missouri |
| 74 | Joyce Darlene Franke | 1 | Daughter | — | Missouri |
| 75 | Oscar B. Siemi | 52 | Head | Farmer | Missouri |
| 76 | James Mcmullin | 21 | Head | Farmer | Missouri |
| 77 | Frances Mcmullin | 18 | Wife | — | Missouri |
| 78 | Herbert B. Hader | 46 | Head | Farmer | Missouri |
| 79 | Lillie Hader | 46 | Wife | — | Missouri |
| 80 | Violet Hader | 24 | Daughter | — | Missouri |
Related Census Records
Pedigree Summary
Harold
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)