JH
John Hogan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hancock-County, Illinois
Our Model Tree links this John Hogan across the 1930 and 1940 US Censuses in Hancock-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hancock-County, Illinois |
| Surname | Hogan |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Appanoose |
| 1935 Residence (County) | Hancock |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 88 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farm Laborer |
| Township / Ward | Appanoose |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Martha Hogan | Daughter | — | 3 | ~1937 |
| Margaret Hogan | Daughter | — | 14 | ~1926 |
| Mary Hogan | Daughter | — | 9 | ~1931 |
| Irene Hogan | Daughter | — | 17 | ~1923 |
| Coleta Hogan | Daughter | — | 5 | ~1935 |
| Cecelia Hogan | Daughter | — | 7 | ~1933 |
| John Hogan | Head | — | 44 | ~1896 |
| John Hogan | Son | — | 19 | ~1921 |
| Bernard Hogan | Son | — | 11 | ~1929 |
| Florence Hogan | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Hancock, Illinois
Son, age 9
Hancock, Illinois · implied b. ~1921 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hogan |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Hancock-County, Illinois
Son, age 19
Hancock-County, Illinois · implied b. ~1921 — 10 household members
| Surname | Hogan |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Appanoose |
| 1935 Residence (County) | Hancock |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 88 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| 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 Hogan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Hogan
Son · 1940 · age 19 · b. ~1921 · Illinois
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Sibling
Mary Hogan
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Hogan
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Coleta Hogan
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecelia Hogan
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Hogan
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Hogan
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Hogan
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 — Hancock-County, Illinois
Open full size
1940 US Federal Census — Hancock-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00810-00023)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles W. Lange | 55 | Head | Farmer | Illinois |
| 42 | Jesse D. Clark | 49 | Head | Regristrar | Illinois |
| 43 | George M. Hotz | 60 | Head | Farmer | Illinois |
| 44 | Minnie F. Hotz | 60 | Wife | — | Illinois |
| 45 | George H. Pilkington | 57 | Head | Farmer | Illinois |
| 46 | Verona C. Pilkington | 47 | Wife | — | Illinois |
| 47 | Virginia M. Pilkington | 17 | Daughter | — | Illinois |
| 48 | Lois A. Pilkington | 15 | Son | — | Illinois |
| 49 | Francis R. Pilkington | 13 | Son | — | Illinois |
| 50 | Melvin E. Simons | 35 | Head | Farmer | Illinois |
| 51 | Henrietta L. Simons | 34 | Wife | — | Illinois |
| 52 | Vivian I. Simons | 6 | Daughter | — | Illinois |
| 53 | Sidney W. Kraft | 33 | Head | Farmer | Illinois |
| 54 | Lucilla L. Kraft | 32 | Wife | — | New Mexico |
| 55 | Lois J. Kraft | 8 | Daughter | — | Illinois |
| 56 | Hilary A. Herbert | 47 | Head | Farmer | Illinois |
| 57 | Ethel E. Herbert | 43 | Wife | — | Illinois |
| 58 | Merlin H. Herbert | 20 | Son | Farm Laborer | Illinois |
| 59 | Doris Herbert | 18 | Daughter | — | Illinois |
| 60 | Anna Herbert | 15 | Daughter | — | Illinois |
| 61 | Rose M. Herbert | 14 | Daughter | — | Illinois |
| 62 | Harold A. Herbert | 10 | Son | — | Illinois |
| 63 | Rafael Herbert | 7 | Son | — | Illinois |
| 64 | Albert Herbert | 83 | Uncle | — | Illinois |
| 65 | Magdalen Herbert | 73 | Head | — | Illinois |
| 66 | John D. Hogan | 44 | Head | Farmer | Illinois |
| 67 | Florence A. Hogan | 44 | Wife | — | Illinois |
| 68 | John D. Hogan THIS PERSON | 19 | Son | Farm Laborer | Illinois |
| 69 | Irene Hogan | 17 | Daughter | — | Illinois |
| 70 | Margaret Hogan | 14 | Daughter | — | Illinois |
| 71 | Bernard P. Hogan | 11 | Son | — | Illinois |
| 72 | Mary E. Hogan | 9 | Daughter | — | Illinois |
| 73 | Cecelia J. Hogan | 7 | Daughter | — | Illinois |
| 74 | Coleta Hogan | 5 | Daughter | — | Illinois |
| 75 | Martha L. Hogan | 3 | Daughter | — | Iowa |
| 76 | Melvin L. Noble | 25 | Head | Common Laborer | Iowa |
| 77 | Ruby E. Noble | 17 | Wife | — | Illinois |
| 78 | Betty L. Noble | 1 | Daughter | — | Illinois |
| 79 | Rogers William Noble | 53 | Father | — | Kentucky |
| 80 | Millard R. Rodefer | 42 | Head | Common Laborer | Illinois |
Related Census Records
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)