JW
John Weaver — 1940 US Census Record
Model Tree available1940 United States Federal Census · Grant-County, Minnesota
Our Model Tree links this John Weaver across the 1920, 1930 and 1940 US Censuses in Grant-County, Minnesota (XGBoost, ~Confirmed), with identified parents Howard & Eva — first a head (b.~1897), then head of a 4-person household.
Age 43
b. ~1897
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Grant-County, Minnesota |
| Surname | Weaver |
| Given Name | John M. O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Lawrence Township |
| 1935 Residence (County) | Grant |
| Additional Details | |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 65 |
| Income (1939) | 352 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Lawrence Township |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Weaver | Head | — | 43 | ~1897 |
| Walter Degner | Other | — | 30 | ~1910 |
| John Weaver | Son | — | 10 | ~1930 |
| Dorothy Weaver | Spouse | — | 36 | ~1904 |
Census Appearances
1920
Grant, Minnesota
Son, age 22
Grant, Minnesota · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Weaver |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Farm Laborer |
| Industry | At Home |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Grant, Minnesota
Head, age 33
Grant, Minnesota · implied b. ~1897 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Weaver |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 31 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Grant-County, Minnesota
Head, age 43
Grant-County, Minnesota · implied b. ~1897 — 4 household members
| Surname | Weaver |
| Given Name | John M. O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Lawrence Township |
| 1935 Residence (County) | Grant |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 65 |
| Income (1939) | 352 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| 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 Weaver across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Howard Weaver (~0.92 confidence) and mother Eva Weaver (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Howard Weaver
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Eva Weaver
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Weaver
Head · 1940 · age 43 · b. ~1897 · Minnesota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Grant-County, Minnesota
Open full size
1940 US Federal Census — Grant-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01924-00200)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James M. Collin | 37 | Head | Farmer | Minnesota |
| 2 | Pearl Collin | 38 | Wife | — | Minnesota |
| 3 | Wallace Collin | 10 | Son | — | Minnesota |
| 4 | Joan Collin | 8 | Daughter | — | Minnesota |
| 5 | Joy Collin | 5 | Daughter | — | Minnesota |
| 6 | Karna Collin | 2 | Daughter | — | Minnesota |
| 7 | Wione Collin | 1 | Daughter | — | Minnesota |
| 8 | Nick. Q. Matry | 43 | Head | Farmer | Minnesota |
| 9 | Leiva Matry | 35 | Wife | — | Minnesota |
| 10 | Gerald Matry | 12 | Son | — | Minnesota |
| 11 | Milton Matry | 11 | Son | — | Minnesota |
| 12 | Kenneth Matry | 9 | Son | — | Minnesota |
| 13 | Marven Matry | 6 | Son | — | Minnesota |
| 14 | Doris Matry | 5 | Daughter | — | Minnesota |
| 15 | Norman Matry | 1 | Son | — | Minnesota |
| 16 | Marvin O. Miller | 33 | Head | Farmer | Minnesota |
| 17 | Gunhild Miller | 27 | Wife | — | Minnesota |
| 18 | Maynard Miller | 3 | Son | — | Minnesota |
| 19 | Bernice Miller | 1 | Daughter | — | Minnesota |
| 20 | Albert L. O. Adams | 45 | Head | Farmer | Minnesota |
| 21 | Mary Adams | 40 | Wife | — | Minnesota |
| 22 | Marvin Adams | 17 | Son | — | Minnesota |
| 23 | Clarice Adams | 15 | Daughter | — | Minnesota |
| 24 | Irene Adams | 11 | Daughter | — | Minnesota |
| 25 | Donald Adams | 9 | Son | — | Minnesota |
| 26 | Alton Alan Adams | 6 | Son | — | Minnesota |
| 27 | John M. O. Weaver THIS PERSON | 43 | Head | Farmer | Iowa |
| 28 | Dorothy Weaver | 36 | Wife | — | Dakota |
| 29 | John Denny Weaver | 10 | Son | — | Minnesota |
| 30 | Walter Degner | 30 | Hired man | Hired Labor | Minnesota |
| 31 | Walter R. O. Ash | 52 | Head | Farmer | Minnesota |
| 32 | Lella F. Ash | 47 | Wife | — | Minnesota |
| 33 | Florence A. (E.) Ash | 18 | Daughter | — | Minnesota |
| 34 | Edna E. (A.) Ash | 15 | Daughter | — | Minnesota |
| 35 | Alice F. Ash | 13 | Daughter | — | Minnesota |
| 36 | Clarence B. Ash | 61 | Brother | Laborer | Minnesota |
| 37 | Albert Colvin | 45 | Head | Farmer | Minnesota |
| 38 | Minnie Colvin | 45 | Wife | — | Minnesota |
| 39 | Alta Colvin | 15 | Daughter | — | Minnesota |
| 40 | Merle Colvin | 11 | Son | — | Minnesota |
Pedigree Summary
John
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)