HJ
Harold Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Guernsey-County, Ohio
Our Model Tree links this Harold Jackson across the 1920, 1930 and 1940 US Censuses in Guernsey-County, Ohio (XGBoost, ~Confirmed), with identified parents Matthew & Anna — first a son (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Guernsey-County, Ohio |
| Surname | Jackson |
| Given Name | Harold F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Kings Mines |
| 1935 Residence (County) | Guernsey |
| Additional Details | |
| Occupation | Welder |
| Industry | Welding Shop |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 800 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Welder |
| Township / Ward | Kings Mines |
| Est. Birth Year | ~1918 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Harold Jackson | Son | — | 22 | ~1918 |
| Matthew Jackson | Head | — | 60 | ~1880 |
| Edwin Jackson | Son | — | 14 | ~1926 |
| Arthur Jackson | Son | — | 30 | ~1910 |
| Thelma Jackson | Daughter | — | 16 | ~1924 |
| Virginia Jackson | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Guernsey, Ohio
Son, age 2
Guernsey, Ohio · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | England |
| Mother's Birthplace | Pennsylvania |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Guernsey, Ohio
Son, age 12
Guernsey, Ohio · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | England |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Guernsey-County, Ohio
Son, age 22
Guernsey-County, Ohio · implied b. ~1918 — 6 household members
| Surname | Jackson |
| Given Name | Harold F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Kings Mines |
| 1935 Residence (County) | Guernsey |
| Occupation | Welder |
| Industry | Welding Shop |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 800 |
| Highest Grade | Hs 2 |
| 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 Harold Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Matthew Jackson (~0.92 confidence) and mother Anna Jackson (~0.92 confidence) and mother Virginia Jackson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Matthew Jackson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Anna Jackson
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Virginia Jackson
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Jackson
Son · 1940 · age 22 · b. ~1918 · Ohio
★ You are viewing this record
Sibling
Arthur Jackson
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Jackson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edwin Jackson
Sibling · 1940 · age 14
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 — Guernsey-County, Ohio
Open full size
1940 US Federal Census — Guernsey-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03075-00537)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Matthew Jackson | 60 | Head | Coal Loader | England |
| 2 | Virginia V Jackson | 55 | Wife | — | Ohio |
| 3 | Arthur A Jackson | 30 | Son | Welder | Ohio |
| 4 | Harold F Jackson THIS PERSON | 22 | Son | Welder | Ohio |
| 5 | Thelma V Jackson | 16 | Daughter | — | Ohio |
| 6 | Edwin C Jackson | 14 | Son | — | Ohio |
| 7 | John Yanis | 46 | Head | Coal Loader | Slovakia |
| 8 | Verna Yanis | 42 | Wife | — | Pennsylvania |
| 9 | John J Yanis | 22 | Son | Learning Welding Trade | Ohio |
| 10 | Agnes A Yanis | 18 | Daughter | Recreation Leader | Ohio |
| 11 | Frank Yanis | 16 | Son | — | Ohio |
| 12 | Godfrey Macek | 63 | Head | Laborer | Czecho Slovakia |
| 13 | Anna Macek | 59 | Wife | — | Czecho Slovakia |
| 14 | John Mancin | 63 | Head | Laborer | Czecho Slovakia |
| 15 | Susie Mancin | 57 | Wife | — | Czecho Slovakia |
| 16 | Martine P Mancin | 24 | Son | Laborer | Pennsylvania |
| 17 | Andrew Mancin | 21 | Son | New Worker | Ohio |
| 18 | Anna M Tucker | 75 | Head | — | Pennsylvania |
| 19 | Joseph A Markovich | 46 | Head | Laborer | Jugo Slavia |
| 20 | Anna R Markovich | 36 | Wife | — | Ohio |
| 21 | Carl A Markovich | 14 | Son | — | Ohio |
| 22 | Joseph Maiflat | 75 | Head | — | Czecho Slovakia |
| 23 | Albert S Maiflat | 41 | Head | Coal Loader | Czecho Slovakia |
| 24 | Mamie N Maiflat | 36 | Wife | — | Ohio |
| 25 | Martha J Maiflat | 18 | Daughter | Office Work | Ohio |
| 26 | Richard S Maiflat | 15 | Son | — | Ohio |
| 27 | Audrey E Maiflat | 12 | Daughter | — | Ohio |
| 28 | Charlene J Maiflat | 6 | Daughter | — | Ohio |
| 29 | Jessie Barto | 76 | Head | — | Belgium |
| 30 | Samuel C Tucker | 40 | Head | Coal Operator | Ohio |
| 31 | Blanche Tucker | 36 | Wife | — | Ohio |
| 32 | Billy G Tucker | 10 | Son | — | Ohio |
| 33 | Vaclav Brabec | 77 | Head | — | Czecho Slovakia |
| 34 | Hadoinka Brabec | 74 | Wife | — | Czecho Slovakia |
| 35 | Jeremiah Pearson | 61 | Head | — | Alabama |
| 36 | Margaret Pearson | 55 | Wife | — | England |
| 37 | Katherine Pearson | 18 | Daughter | — | Ohio |
| 38 | Floyd Pearson | 16 | Son | — | Ohio |
| 39 | George A Ambro | 63 | Head | Coal Loader | Czecho Slovakia |
| 40 | Mary S Ambro | 52 | Wife | — | Pennsylvania |
Pedigree Summary
Harold + 3 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)