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John Mccullough — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Illinois
Our Model Tree links this John Mccullough across the 1930 and 1940 US Censuses in Wayne-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Illinois |
| Surname | McCullough |
| Given Name | John D. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Grover |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Grover |
| Est. Birth Year | ~1929 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Ray Mccullough | Son | — | 13 | ~1927 |
| Margaret Mccullough | Daughter | — | 9 | ~1931 |
| John Mccullough | Son | — | 11 | ~1929 |
| Delberta Mccullough | Daughter | — | 4 | ~1936 |
| Millie Mccullough | Spouse | — | 45 | ~1895 |
| Betty Mccullough | Daughter | — | 7 | ~1933 |
| Delbert Mccullough | Head | — | 44 | ~1896 |
| Dale Mccullough | Son | — | 26 | ~1914 |
Census Appearances
1930
Wayne, Illinois
Son, age 1
Wayne, Illinois · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCollough |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Wayne-County, Illinois
Son, age 11
Wayne-County, Illinois · implied b. ~1929 — 8 household members
| Surname | McCullough |
| Given Name | John D. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Grover |
| 1935 Residence (County) | Wayne |
| Highest Grade | No 7 |
| 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 John Mccullough across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mccullough
Son · 1940 · age 11 · b. ~1929 · Illinois
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Sibling
Betty Mccullough
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Mccullough
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mccullough
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Mccullough
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delberta Mccullough
Sibling · 1940 · age 4
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 — Wayne-County, Illinois
Open full size
1940 US Federal Census — Wayne-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00903-00328)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marjorie | 7 | daughter | — | Illinois |
| 2 | Jackie | 5 | son | — | Illinois |
| 3 | Ben Crewe | 62 | Head | Groundsman | Illinois |
| 4 | Winford Hoss | 22 | son | Reaphyman | Illinois |
| 5 | Opal A. Hoss | 28 | daughter | — | Illinois |
| 6 | James F. Gray | 54 | Head | Section Foreman | Illinois |
| 7 | Maude Gray | 51 | Wife | — | Illinois |
| 8 | Homer E. Sloan | 54 | Head | Oil Operator | Indiana |
| 9 | Theo B. Sloan | 36 | Wife | — | Missouri |
| 10 | Clint B. Mikel | 29 | Head | Foreman | Oklahoma |
| 11 | Ivy M. Mikel | 19 | Wife | — | Oklahoma |
| 12 | Betty J. Mikel | 2 | daughter | — | Oklahoma |
| 13 | Clarence S. Skater | 38 | Head | Gauger | Alabama |
| 14 | Nellie M. Skater | 35 | Wife | — | Arkansas |
| 15 | Samuel E. Graham | 64 | Head | — | Illinois |
| 16 | Mary E. Graham | 61 | Wife | — | Illinois |
| 17 | Mary L. Graham | 21 | daughter | — | Illinois |
| 18 | William D. Valader | 59 | Head | — | Illinois |
| 19 | Lorena M. Valader | 56 | Wife | — | Illinois |
| 20 | Carrie L. Valader | 9 | daughter | — | Illinois |
| 21 | Richard R. Jarop | 46 | Head | Store | Illinois |
| 22 | Pansy M. Jarop | 35 | Wife | — | Illinois |
| 23 | Jeanett L. Jarop | 13 | daughter | — | Indiana |
| 24 | Doris J. Jarop | 10 | daughter | — | Indiana |
| 25 | Jefferson Gullifer | 59 | Head | Salesman | Illinois |
| 26 | Sadie E. Gullifer | 59 | Wife | — | Illinois |
| 27 | Johnnie People | 35 | Head | Tool Pusher | Texas |
| 28 | Louise People | 25 | Wife | — | Texas |
| 29 | Delbert Mccullough | 44 | Head | Electrician Machinist | Illinois |
| 30 | Millie A. Mccullough | 45 | Wife | — | Illinois |
| 31 | Dale M. Mccullough | 26 | son | New Worker | Illinois |
| 32 | Ray Mccullough | 13 | son | — | Illinois |
| 33 | John D. Mccullough THIS PERSON | 11 | son | — | Illinois |
| 34 | Margaret J. Mccullough | 9 | daughter | — | Illinois |
| 35 | Betty L. Mccullough | 7 | daughter | — | Illinois |
| 36 | Delberta Mccullough | 4 | daughter | — | Illinois |
| 37 | Charlie Mason | 58 | Head | Farming | Illinois |
| 38 | Bessie M. Mason | 56 | Wife | — | Illinois |
| 39 | Glen E. Mason | 20 | son | New Worker | Illinois |
| 40 | Harry E. Smith | 65 | Head | Farmer | 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)