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John Mcclain — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Winnebago-County, Iowa
Our Model Tree links this John Mcclain across the 1930 and 1940 US Censuses in Winnebago-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 10-person household.
Age 58
b. ~1882
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Iowa |
| Surname | McClain |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Occupation | Farmer |
| Industry | Mixed farming |
| Class of Worker | OA |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Logan Township |
| Est. Birth Year | ~1882 |
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 |
|---|---|---|---|---|
| Austin Mcclain | Son | — | 22 | ~1918 |
| Andrew Mcclain | Son | — | 24 | ~1916 |
| Velva Mcclain | Daughter | — | 18 | ~1922 |
| Blanche Mcclain | Daughter | — | 5 | ~1935 |
| George Mcclain | Son | — | 20 | ~1920 |
| John Mcclain | Head | — | 58 | ~1882 |
| Maggie Mcclain | Spouse | — | 53 | ~1887 |
| John Mcclain | Son | — | 27 | ~1913 |
| Wilma Mcclain | Daughter | — | 10 | ~1930 |
| Velma Mcclain | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Winnebago, Iowa
Head, age 45
Winnebago, Iowa · implied b. ~1885 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McClain |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 24 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Indiana |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Winnebago-County, Iowa
Head, age 58
Winnebago-County, Iowa · implied b. ~1882 — 10 household members
| Surname | McClain |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Winnebago |
| Occupation | Farmer |
| Industry | Mixed farming |
| Class of Worker | OA |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Mcclain across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Mcclain
Head · 1940 · age 58 · b. ~1882 · Iowa
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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 — Winnebago-County, Iowa
Open full size
1940 US Federal Census — Winnebago-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01213-00348)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harry Engebretson | 17 | Son | — | Iowa |
| 42 | Elaine Engebretson | 11 | Daughter | — | Iowa |
| 43 | Andy O. Engleby | 53 | Head | Farmer | Norway |
| 44 | Nellie Engleby | 48 | Wife | — | Norway |
| 45 | Caroline Engleby | 24 | Daughter | — | Iowa |
| 46 | Eugene Engleby | 21 | Son | Farm Helper | Iowa |
| 47 | Myrtle Engleby | 19 | Daughter | — | Minnesota |
| 48 | Russell Engleby | 15 | Son | — | Minnesota |
| 49 | Vincent Engleby | 13 | Son | — | Minnesota |
| 50 | June Engleby | 10 | Daughter | — | Minnesota |
| 51 | Marlys Engleby | 8 | Daughter | — | Iowa |
| 52 | John H. Mcclain THIS PERSON | 58 | Head | Farmer | Iowa |
| 53 | Maggie Mcclain | 53 | Wife | — | Iowa |
| 54 | John R. Mcclain | 27 | Son | Farm Hand | Iowa |
| 55 | Andrew Mcclain | 24 | Son | Farm Hand | Iowa |
| 56 | Austin Mcclain | 22 | Son | Farm Hand | Iowa |
| 57 | George Mcclain | 20 | Son | Farm Hand | Iowa |
| 58 | Velva Mcclain | 18 | Daughter | — | Iowa |
| 59 | Velma Mcclain | 18 | Daughter | — | Iowa |
| 60 | Wilma Mcclain | 10 | Daughter | — | Iowa |
| 61 | Blanche Mcclain | 5 | Daughter | — | Iowa |
| 62 | Albert O. Engebretson | 57 | Head | Farmer | Iowa |
| 63 | Mary Engebretson | 59 | Wife | — | Iowa |
| 64 | Mabel Engebretson | 19 | Daughter | — | Iowa |
| 65 | Harold Engebretson | 25 | Nephew | Farm Hand | Iowa |
| 66 | Andrew Kauk | 50 | Hired man | Farm Hand | Denmark |
| 67 | Hans H. Peterson | 54 | Head | Farmer | Iowa |
| 68 | Andrew Rierson | 50 | Hired man | Housekeeper | Iowa |
| 69 | Alvin Engelby | 22 | Hired man | Farm Hand | Minnesota |
| 70 | Palmer O. Hove | 31 | Head | Farmer | Iowa |
| 71 | Vera Hove | 29 | Wife | — | Iowa |
| 72 | Merrell Hove | 9 | Son | — | Iowa |
| 73 | Glen Hove | 5 | Son | — | Iowa |
| 74 | Harland Hove | 2 | Son | — | Iowa |
| 75 | Carl O. Larson | 29 | Hired man | Farm Hand | Iowa |
| 76 | Hazel Larson | 24 | Wife | — | Iowa |
| 77 | Ervin O. Nelson | 32 | Head | Farmer | Minnesota |
| 78 | Oscar Nelson | 52 | Partner | Farmer | Minnesota |
| 79 | Pauline Nelson | 71 | Mother | — | Iowa |
| 80 | Herbert O. Rierson | 29 | Head | Farmer | Iowa |
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)