JH
James Haynes — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Illinois
Our Model Tree links this James Haynes across the 1930 and 1940 US Censuses in Knox-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Illinois |
| Surname | Haynes |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Hawcreek |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Hawcreek |
| Est. Birth Year | ~1930 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Alice Haynes | Daughter | — | 12 | ~1928 |
| Gladys Haynes | Spouse | — | 35 | ~1905 |
| Emery Haynes | Son | — | 17 | ~1923 |
| James Haynes | Son | — | 10 | ~1930 |
| Frank Haynes | Head | — | 41 | ~1899 |
| Paul Haynes | Son | — | 15 | ~1925 |
| Laura Haynes | Daughter | — | 19 | ~1921 |
| Mary Haynes | Daughter | — | 4 | ~1936 |
Census Appearances
1930
Knox, Illinois
Son, age
Knox, Illinois · implied b. ~1930 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haynes |
| Given Name | James E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Knox-County, Illinois
Son, age 10
Knox-County, Illinois · implied b. ~1930 — 8 household members
| Surname | Haynes |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Hawcreek |
| 1935 Residence (County) | Knox |
| Highest Grade | 4 |
| 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 James Haynes across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Haynes
Son · 1940 · age 10 · b. ~1930 · Illinois
★ You are viewing this record
Sibling
Emery Haynes
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Haynes
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Laura Haynes
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Haynes
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Haynes
Sibling · 1940 · age 12
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 — Knox-County, Illinois
Open full size
1940 US Federal Census — Knox-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00827-00018)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elmer Dalton | 51 | Head | Farmer | Illinois |
| 42 | Nellie M. Dalton | 48 | Wife | — | Illinois |
| 43 | Ray Lee Dalton | 11 | Son | — | Illinois |
| 44 | Carter Jack Dalton | 8 | Son | — | Illinois |
| 45 | Frank E. Haynes | 41 | Head | Farming | Illinois |
| 46 | Gladys Haynes | 35 | Wife | — | Illinois |
| 47 | Laura (A.) Haynes | 19 | Daughter | — | Illinois |
| 48 | Emery C. Haynes | 17 | Son | Farming | Illinois |
| 49 | Paul Haynes | 15 | Son | — | Illinois |
| 50 | Alice Haynes | 12 | Daughter | — | Illinois |
| 51 | James Haynes THIS PERSON | 10 | Son | — | Illinois |
| 52 | Mary Haynes | 4 | Daughter | — | Illinois |
| 53 | Rayley Walter | 38 | Head | Farming | Illinois |
| 54 | Lena Walter | 35 | Wife | — | Illinois |
| 55 | Richard Walter | 9 | Son | — | Illinois |
| 56 | Glen Walter | 4 | Son | — | Illinois |
| 57 | Larry Walter | 1 | Son | — | Illinois |
| 58 | Arthur Terr | 42 | Head | Farming | Illinois |
| 59 | Sadie Terr | 41 | Wife | — | Illinois |
| 60 | Harold Terr | 9 | Son | — | Illinois |
| 61 | Opal P. Terr | 5 | Daughter | — | Illinois |
| 62 | William A. Bryan | 31 | Head | Farming | Missouri |
| 63 | Helen Bryan | 30 | Wife | — | Illinois |
| 64 | Joan Bryan | 1 | Daughter | — | Illinois |
| 65 | Frank S. Ferry | 42 | Head | Farming | Illinois |
| 66 | Mary Ferry | 19 | Wife | — | Kentucky |
| 67 | Helen Ferry | 13 | Daughter | — | Illinois |
| 68 | Charles Grayson | 12 | Step-son | — | Illinois |
| 69 | Rolland Martin | 38 | Head | Farming | Illinois |
| 70 | Bessie Martin | 34 | Wife | — | Illinois |
| 71 | Paul Martin | 12 | Son | — | Illinois |
| 72 | Harlan Martin | 9 | Son | — | Illinois |
| 73 | Elvis Snyder | 43 | Head | Farming | Missouri |
| 74 | Minnie Snyder | 40 | Wife | — | Indiana |
| 75 | Carl Snyder | 16 | Son | Helping At Home | Missouri |
| 76 | Wanda Lee Snyder | 14 | Daughter | — | Missouri |
| 77 | Charles Walker | 60 | Head | Farming | Nebraska |
| 78 | Edith Walker | 55 | Wife | — | Illinois |
| 79 | John Donaldson | 39 | Head | Farming | Illinois |
| 80 | Loreine Donaldson | 37 | Wife | — | Oklahoma |
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)