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John Leach — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-Of-The-Woods-County, Minnesota
Our Model Tree links this John Leach across the 1930 and 1940 US Censuses in Lake-Of-The-Woods-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 7-person household.
Age 18
b. ~1922
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-Of-The-Woods-County, Minnesota |
| Surname | Leach |
| Given Name | John H. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Neil |
| 1935 Residence (County) | Lake of the Woods |
| Additional Details | |
| Occupation | Farm Labor |
| Industry | Farm |
| Class of Worker | NP |
| Income (1939) | 888 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farm Laborer |
| Township / Ward | Neil |
| Est. Birth Year | ~1922 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Leach | Son | — | 18 | ~1922 |
| Philip Leach | Son | — | 15 | ~1925 |
| Cora Leach | Spouse | — | 47 | ~1893 |
| Ray Leach | Son | — | 22 | ~1918 |
| Donald Leach | Head | — | 45 | ~1895 |
| Emma Leach | Other | — | 20 | ~1920 |
| Jack Leach | Son | — | 19 | ~1921 |
Census Appearances
1930
Lake Of …
Son, age 8
Lake Of The Woods, Minnesota · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leach |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Lake-Of-The-Woods-County, Minnesota
Son, age 18
Lake-Of-The-Woods-County, Minnesota · implied b. ~1922 — 7 household members
| Surname | Leach |
| Given Name | John H. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Neil |
| 1935 Residence (County) | Lake of the Woods |
| Occupation | Farm Labor |
| Industry | Farm |
| Class of Worker | NP |
| Income (1939) | 888 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Leach across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Leach
Son · 1940 · age 18 · b. ~1922 · Minnesota
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Sibling
Jack Leach
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Leach
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Philip Leach
Sibling · 1940 · age 15
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 — Lake-Of-The-Woods-County, Minnesota
Open full size
1940 US Federal Census — Lake-Of-The-Woods-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01932-00848)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | J. Judge Wilson | 46 | Head | Farmer | Iowa |
| 42 | Gladis I. Wilson | 44 | Wife | — | Minnesota |
| 43 | James W. Wilson | 20 | son | Farmer | Minnesota |
| 44 | Myrtle A. Wilson | 19 | daughter | — | Minnesota |
| 45 | Richard C. Wilson | 17 | son | Farm Helper | Minnesota |
| 46 | Donald J. Wilson | 11 | son | — | Minnesota |
| 47 | Andrew D. Wilson | 8 | son | — | Minnesota |
| 48 | Buckley J. Wilson | 4 | son | — | Minnesota |
| 49 | John E. Nashelm | 57 | Head | Farmer | Sweden |
| 50 | Thure S. Nashelm | 21 | son | Farmer | Minnesota |
| 51 | Mary Nashelm | 23 | daughter-in-law | — | Minnesota |
| 52 | Tommy Nashelm | 3 | grandson | — | Minnesota |
| 53 | Betty Ann Nashelm | 1 | granddaughter | — | Minnesota |
| 54 | Raymond F. Sides | 29 | Head | Farmer | Kansas |
| 55 | Nellie E. Sides | 24 | Wife | — | Colorado |
| 56 | Alvin R. Sides | 4 | son | — | Colorado |
| 57 | William F. Sides | 2 | son | — | Colorado |
| 58 | Albert F. Rennzen | 59 | Head | Farmer | Minnesota |
| 59 | Lizzie M. Rennzen | 52 | Wife | — | Minnesota |
| 60 | Clifford Rennzen | 26 | son | Farm Laborer | Minnesota |
| 61 | Evelyn Rennzen | 13 | daughter | — | Minnesota |
| 62 | Donald C. Leach | 45 | Head | Farmer | Illinois |
| 63 | Cora H. Leach | 47 | Wife | — | Missouri |
| 64 | Ray C. Leach | 22 | son | Wood Chopper | Minnesota |
| 65 | John H. Leach THIS PERSON | 18 | son | Farm Labor | Minnesota |
| 66 | Philip A. Leach | 15 | son | Farm Labor | Minnesota |
| 67 | Jack D. Leach | 19 | son | Wood Chopper | Minnesota |
| 68 | Emma J. Leach | 20 | daughter-in-law | — | Missouri |
| 69 | Edward O. Selander | 34 | Head | Farmer | Canada-English |
| 70 | Opal I. Selander | 28 | Wife | — | Colorado |
| 71 | Jefferson S. Aery | 51 | Head | Farmer | Illinois |
| 72 | Carrie B. Aery | 61 | Wife | — | Minnesota |
| 73 | Kenneth R. Aery | 26 | son | Farmer | Colorado |
| 74 | Gordon W. Aery | 24 | son | Farm Labor | Colorado |
| 75 | Orville R. Aery | 23 | son | Farm Labor | Colorado |
| 76 | Edith B. Aery | 19 | daughter | House Work | Minnesota |
| 77 | Charles R. Aery | 46 | Head | Farmer | Illinois |
| 78 | Elvera M. Aery | 36 | Wife | — | Iowa |
| 79 | Juanita M. Aery | 14 | daughter | — | Colorado |
| 80 | Edna M. Aery | 11 | daughter | — | Colorado |
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)