JH
John Holland — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Madison-County, Illinois
Our Model Tree links this John Holland across the 1920, 1930 and 1940 US Censuses in Madison-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1897), then head of a 9-person household.
Age 43
b. ~1897
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Illinois |
| Surname | Holland |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Alton City |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Occupation | Core Maker |
| Industry | Foundry Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Core Maker |
| Township / Ward | Alton City |
| Est. Birth Year | ~1897 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Gloria Holland | Daughter | — | 20 | ~1920 |
| Dolores Holland | Daughter | — | 10 | ~1930 |
| Kathleen Holland | Daughter | — | 16 | ~1924 |
| Joan Holland | Daughter | — | 1 | ~1939 |
| Shirley Holland | Daughter | — | 7 | ~1933 |
| Charlotte Holland | Daughter | — | 13 | ~1927 |
| John Holland | Head | — | 43 | ~1897 |
| John Holland | Son | — | 1 | ~1939 |
| Mary Holland | Spouse | — | 39 | ~1901 |
Census Appearances
1920
Madison, Illinois
Head, age 23
Madison, Illinois · implied b. ~1897 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holland |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Core Maker |
| Industry | Foundry |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Year of Naturalization | R |
| Birthplace (normalized) | illinois |
1930
Madison, Illinois
Head, age 32
Madison, Illinois · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holland |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 21 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Core maker |
| Industry | Iron Foundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3400 |
| Veteran | yes WW |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Madison-County, Illinois
Head, age 43
Madison-County, Illinois · implied b. ~1897 — 9 household members
| Surname | Holland |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Alton City |
| 1935 Residence (County) | Madison |
| Occupation | Core Maker |
| Industry | Foundry Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | No 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 Holland across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Holland
Head · 1940 · age 43 · b. ~1897 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Madison-County, Illinois
Open full size
1940 US Federal Census — Madison-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00848-00180)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Cora B. Mourning | 58 | Head | Central Office | Illinois |
| 42 | Stanley Ryden | 22 | Lodger | Maintenance Man | Illinois |
| 43 | Frank Vitale | 40 | Head | Cutter | Illinois |
| 44 | Genevieve Vitale | 39 | Wife | — | Missouri |
| 45 | John Holland THIS PERSON | 43 | Head | Core Maker | Illinois |
| 46 | Mary Holland | 39 | Wife | — | Illinois |
| 47 | Gloria Holland | 20 | Daughter | Inspector | Illinois |
| 48 | Kathleen Holland | 16 | Daughter | — | Illinois |
| 49 | Charlotte Holland | 13 | Daughter | — | Illinois |
| 50 | Dolores Holland | 10 | Daughter | — | Illinois |
| 51 | Shirley Holland | 7 | Daughter | — | Illinois |
| 52 | Joan Holland | 1 | Daughter | — | Illinois |
| 53 | John Holland | 1 | Son | — | Illinois |
| 54 | Henry Rephausen | 56 | Head | Benchman | Illinois |
| 55 | Mary Rephausen | 60 | Wife | — | Illinois |
| 56 | La Verne Allen | 23 | Head | Bus Driver | Illinois |
| 57 | Bernice Allen | 17 | Wife | — | Illinois |
| 58 | Janet Allen | 0 | Daughter | — | Illinois |
| 59 | Henry York | 29 | Head | Manager | Illinois |
| 60 | Ruby York | 24 | Wife | — | Illinois |
| 61 | Gale Ann York | 3 | Daughter | — | Illinois |
| 62 | J. Clifford Krug | 34 | Head | Oil Salesman | Illinois |
| 63 | Gertrude Krug | 42 | Wife | — | Illinois |
| 64 | Mary Ellen Krug | 7 | Daughter | — | Illinois |
| 65 | Karl Schaffner | 49 | Head | Central Office Man | Missouri |
| 66 | Jeannette Schaffner | 47 | Wife | — | Indiana |
| 67 | Karl Jr. Schaffner | 15 | Son | — | Illinois |
| 68 | Harold Horstman | 31 | Head | Slitterman | Missouri |
| 69 | Wyomia Horstman | 26 | Wife | — | Illinois |
| 70 | Harry Horstman | 4 | Son | — | Illinois |
| 71 | Katherine Cummings | 45 | Aunt | Sausage Machine Operator | Illinois |
| 72 | H. Ernest La Marsh | 42 | Head | Fireman | Illinois |
| 73 | Margaret La Marsh | 37 | Wife | Clerk | Illinois |
| 74 | La Fair La Marsh | 10 | Son | — | Illinois |
| 75 | Jerome Pogue | 28 | Head | Electrician'S Helper | Illinois |
| 76 | Marie Pogue | 23 | Wife | — | Illinois |
| 77 | Claude Barkley | 37 | Head | Patrolman | Illinois |
| 78 | Juanita Barkley | 26 | Wife | — | Illinois |
| 79 | James Barkley | 2 | Daughter | — | Illinois |
| 80 | John J. Prosser | 30 | Head | Glass Bottle Mold Maker | 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)