HP
Harold Parker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Illinois
Our Model Tree links this Harold Parker across the 1930 and 1940 US Censuses in Marion-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Illinois |
| Surname | Parker |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Patoka Village |
| Est. Birth Year | ~1928 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Mary Parker | Daughter | — | 5 | ~1935 |
| James Parker | Son | — | 14 | ~1926 |
| Leona Parker | Spouse | — | 47 | ~1893 |
| Harold Parker | Son | — | 12 | ~1928 |
| William Parker | Head | — | 53 | ~1887 |
| Raymond Parker | Son | — | 16 | ~1924 |
| Enoch Parker | Son | — | 26 | ~1914 |
Census Appearances
1930
Marion, Illinois
Son, age 1
Marion, Illinois · implied b. ~1929 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Harold W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Marion-County, Illinois
Son, age 12
Marion-County, Illinois · implied b. ~1928 — 7 household members
| Surname | Parker |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Marion |
| Highest Grade | 5 |
| 1935 Residence | Illinois |
| 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 Parker across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harold Parker
Son · 1940 · age 12 · b. ~1928 · Illinois
★ You are viewing this record
Sibling
Enoch Parker
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Parker
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Parker
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Parker
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 — Marion-County, Illinois
Open full size
1940 US Federal Census — Marion-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00853-00170)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Parker | 53 | Head | Laborer | Illinois |
| 42 | Leona Parker | 47 | Wife | Laundress | Illinois |
| 43 | Enoch Parker | 26 | Son | Laborer | Illinois |
| 44 | Raymond Parker | 16 | Son | Maintenance | Illinois |
| 45 | James Parker | 14 | Son | — | Illinois |
| 46 | Harold Parker THIS PERSON | 12 | Son | — | Illinois |
| 47 | Mary Mae Parker | 5 | Daughter | — | Illinois |
| 48 | William Caliol | 76 | Head | — | Illinois |
| 49 | Mary Caliol | 68 | Wife | — | Illinois |
| 50 | Alva Johnstone | 66 | Head | — | Illinois |
| 51 | Robert Johnstone | 24 | Son | Truck Driver | Illinois |
| 52 | Allen Alexander | 88 | Head | — | Illinois |
| 53 | Ella Alexander | 79 | Wife | — | Kentucky |
| 54 | Sephae Adams | 62 | Head | Farmer | Illinois |
| 55 | Marvel Adams | 46 | Wife | — | Arkansas |
| 56 | Rachel Adams | 9 | Daughter | — | Illinois |
| 57 | Jeff Adams | 90 | Father | — | Illinois |
| 58 | Robert Money | 23 | Head | Laborer | Illinois |
| 59 | Julia Ray Money | 19 | Wife | — | Oklahoma |
| 60 | Carolyn Kay Money | 1 | Daughter | — | Illinois |
| 61 | Wondes Wilson | 34 | Head | Printer | Illinois |
| 62 | Annabelle Wilson | 30 | Wife | — | Illinois |
| 63 | John E Wilson | 8 | Son | — | Illinois |
| 64 | Billy Bryan Wilson | 5 | Son | — | Illinois |
| 65 | Anna Mae Wilson | 1 | Daughter | — | Illinois |
| 66 | Stephen F Eaglin | 75 | Head | — | Ohio |
| 67 | Warren Ernest Black | 10 | Grandson | — | Illinois |
| 68 | Orville Pence | 39 | Head | Carpenter | Illinois |
| 69 | Loretta Pence | 32 | Wife | — | Illinois |
| 70 | Harry Hudspeth | 61 | Head | Retired Mail Carrier | Illinois |
| 71 | Pearl Hudspeth | 48 | Wife | — | Illinois |
| 72 | John A Jennings | 55 | Head | Sales Auctioneer | Illinois |
| 73 | Anna Jennings | 47 | Wife | — | Illinois |
| 74 | John William Jennings | 27 | Son | Carpenter | Illinois |
| 75 | Mary Helen Jennings | 15 | Daughter | — | Illinois |
| 76 | Evalene Jennings | 13 | Daughter | — | Illinois |
| 77 | Frank Miller | 55 | Head | Laborer | Illinois |
| 78 | Bertha Miller | 39 | Wife | — | Illinois |
| 79 | Olin Belcher | 12 | Step Son | — | Illinois |
| 80 | Paul Belcher | 21 | Step Son | Laborer | Illinois |
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)