HK
Harold King — 1940 US Census Record
Model Tree available1940 United States Federal Census · Morgan-County, Illinois
Our Model Tree links this Harold King across the 1920, 1930 and 1940 US Censuses in Morgan-County, Illinois (XGBoost, ~Confirmed), with identified parents Jesse & Vernon — first a head (b.~1911), then head of a 5-person household.
Age 29
b. ~1911
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Morgan-County, Illinois |
| Surname | King |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Morgan |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Auto Sales |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 780 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Mechanic |
| Township / Ward | Jacksonville |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Mary King | Daughter | — | 8 | ~1932 |
| Marie King | Spouse | — | 25 | ~1915 |
| Wayne King | Son | — | 2 | ~1938 |
| Kenneth King | Son | — | 4 | ~1936 |
| Harold King | Head | — | 29 | ~1911 |
Census Appearances
1920
Scott, Illinois
Son, age 8
Scott, Illinois · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Scott, Illinois
Son, age 19
Scott, Illinois · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farm laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Morgan-County, Illinois
Head, age 29
Morgan-County, Illinois · implied b. ~1911 — 5 household members
| Surname | King |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Morgan |
| Occupation | Mechanic |
| Industry | Auto Sales |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 780 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 King across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jesse King (~0.92 confidence) and father Vernon King (~0.60 confidence) and mother Nolie King (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.81
Father
Jesse King
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Vernon King
b. ~1900
Source father
● Household
· direct · ~0.6
Mother
Nolie King
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold King
Head · 1940 · age 29 · b. ~1911 · Illinois
★ 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 — Morgan-County, Illinois
Open full size
1940 US Federal Census — Morgan-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00861-00463)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard Beagle | 30 | Head | Attendant | Illinois |
| 2 | Mary Jane Beagle | 27 | Wife | Attendant | Illinois |
| 3 | James R. Crowe | 66 | Head | — | Illinois |
| 4 | Arthur Cobb | 72 | Head | Retired | England |
| 5 | Anna Cobb | 67 | Wife | — | Illinois |
| 6 | B. Austenmgh | 54 | Lodger | House Keeper | Illinois |
| 7 | Edna Pancake | 35 | Lodger | Dining Room | Illinois |
| 8 | Betty Pancake | 17 | Lodger | — | Illinois |
| 9 | Everett Little | 39 | Head | Service Manager | Illinois |
| 10 | Leola Little | 34 | Wife | — | Illinois |
| 11 | Mary Ann Little | 8 | Daughter | — | Illinois |
| 12 | Morris Byus | 34 | Head | Attendant | West Virginia |
| 13 | Francis Byus | 29 | Wife | Nurse | Illinois |
| 14 | Karen Byus | 3 | Daughter | — | Illinois |
| 15 | Beverly Byus | 4 | Daughter | — | Illinois |
| 16 | David Byus | 1 | Son | — | Illinois |
| 17 | Henry W. Kelly | 45 | Head | Supt | Missouri |
| 18 | Irena Kelly | 42 | Wife | — | Illinois |
| 19 | Lena Jane Treadway | 3 | Daughter | — | Illinois |
| 20 | Louis Biggs | 62 | Head | Painter | Missouri |
| 21 | Grace Biggs | 60 | Wife | — | Illinois |
| 22 | Dorothy Biggs | 32 | Daughter | Sect | Illinois |
| 23 | Margaret Biggs | 27 | Daughter | — | Missouri |
| 24 | Elmer Killebrew | 50 | Head | Attendant | Illinois |
| 25 | Sybil Killebrew | 56 | Wife | Bookkeeper | Illinois |
| 26 | Grace Schilling | 44 | Head | — | Illinois |
| 27 | Florence Schilling | 18 | Daughter | — | Illinois |
| 28 | Rilla Schilling | 16 | Daughter | — | Illinois |
| 29 | Harold King THIS PERSON | 29 | Head | Mechanic | Illinois |
| 30 | Marie King | 25 | Wife | — | Illinois |
| 31 | Mary Agnes King | 8 | Daughter | — | Illinois |
| 32 | Kenneth King | 4 | Son | — | Illinois |
| 33 | Wayne King | 2 | Son | — | Illinois |
| 34 | Mia Milburn | 40 | Head | Clerk | Montana |
| 35 | Doris J. Milburn | 16 | Daughter | — | Illinois |
| 36 | Robert E. Milburn | 12 | Son | — | Illinois |
| 37 | W. E. Marine | 44 | Head | Custodian | Penn. |
| 38 | Florence Marine | 30 | Wife | County Relief | Illinois |
| 39 | Donald Marine | 13 | Son | — | Illinois |
| 40 | Wanda M. Marine | 11 | Daughter | — | Illinois |
Pedigree Summary
Harold
Gen 1 · 3 parents
~0.81
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)