DA
Donald Adams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Blue-Earth-County, Minnesota
Our Model Tree links this Donald Adams across the 1920, 1930 and 1940 US Censuses in Blue-Earth-County, Minnesota (XGBoost, ~Confirmed), with identified parents Nicholas & Nicklaus — first a son (b.~1914), then head of a 6-person household.
Age 26
b. ~1914
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Blue-Earth-County, Minnesota |
| Surname | Adams |
| Given Name | Donald J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Mede |
| 1935 Residence (County) | Blue Earth |
| Additional Details | |
| Occupation | Farming |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farming |
| Township / Ward | Mede |
| Est. Birth Year | ~1914 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Nicklaus Adams | Head | — | 68 | ~1872 |
| Donald Adams | Son | — | 26 | ~1914 |
| Robert Adams | Son | — | 23 | ~1917 |
| Mary Adams | Spouse | — | 59 | ~1881 |
| Elizann Adams | Daughter | — | 21 | ~1919 |
| Laurence Adams | Son | — | 19 | ~1921 |
Census Appearances
1920
Watonwan, Minnesota
Son, age 6
Watonwan, Minnesota · implied b. ~1914 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Donald J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Blue Earth, …
Son, age 16
Blue Earth, Minnesota · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Blue-Earth-County, Minnesota
Son, age 26
Blue-Earth-County, Minnesota · implied b. ~1914 — 6 household members
| Surname | Adams |
| Given Name | Donald J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Mede |
| 1935 Residence (County) | Blue Earth |
| Occupation | Farming |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 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 Donald Adams across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Nicholas Adams (~0.92 confidence) and father Nicklaus Adams (~0.92 confidence) and father W Adams (~0.92 confidence) and mother Mary Adams (~0.92 confidence) and mother Mary Adams (~0.92 confidence) and mother Mary Adams (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nicholas Adams
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Nicklaus Adams
b. ~1872
Source father
● Household
· direct · ~0.92
Father
W Adams
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Mary Adams
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Mary Adams
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Mary Adams
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Adams
Son · 1940 · age 26 · b. ~1914 · Minnesota
★ You are viewing this record
Sibling
Elizann Adams
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Laurence Adams
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Adams
Sibling · 1940 · age 23
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 — Blue-Earth-County, Minnesota
Open full size
1940 US Federal Census — Blue-Earth-County, Minnesota
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01908-00897)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nicklaus H. Adams | 68 | Head | Farmer | Illinois |
| 42 | Mary Adams | 59 | Wife | — | Illinois |
| 43 | Donald J. Adams THIS PERSON | 26 | Son | Farming | Iowa |
| 44 | Robert S. Adams | 23 | Son | — | Iowa |
| 45 | Elizann A. Adams | 21 | Daughter | — | Minnesota |
| 46 | Laurence J. Adams | 19 | Son | Farming | Minnesota |
| 47 | Victor Severson | 49 | Head | Farmer | Minnesota |
| 48 | Minnie Severson | 46 | Wife | — | Minnesota |
| 49 | Melvin W. Severson | 23 | Son | Farming | Minnesota |
| 50 | Knute Eam | 57 | Head | Farmer | Norway |
| 51 | Loving Eam | 49 | Wife | — | Illinois |
| 52 | Luther K. Eam | 26 | Son | — | Minnesota |
| 53 | Andrew R. Eam | 18 | Son | — | Minnesota |
| 54 | Torance O. Eam | 17 | Son | — | Minnesota |
| 55 | Arnold A. Olson | 30 | Head | Minister | Minnesota |
| 56 | Lillian R. Olson | 30 | Wife | — | Minnesota |
| 57 | Paul L. Severson | 44 | Head | Farmer | Minnesota |
| 58 | Marie X. Severson | 26 | Wife | — | So Dakota |
| 59 | Carol M. Severson | 1 | Daughter | — | Minnesota |
| 60 | Albert C. Severson | 66 | Head | Farming | Minnesota |
| 61 | Bill L. Severson | 58 | Brother | Farming | Minnesota |
| 62 | Edwin O. Olson | 67 | Head | Farming | Minnesota |
| 63 | Alice B. Olson | 59 | Wife | — | Minnesota |
| 64 | Fay K. More | 51 | Head | Farming | Minnesota |
| 65 | Helen I. More | 40 | Wife | — | Illinois |
| 66 | Thelma F. More | 17 | Daughter | — | Minnesota |
| 67 | Violet E. More | 16 | Daughter | — | Minnesota |
| 68 | Kenneth F. More | 13 | Son | — | Minnesota |
| 69 | Ellaray J. More | 11 | Daughter | — | Minnesota |
| 70 | Marvin W. More | 10 | Son | — | Minnesota |
| 71 | Evangeline More | 8 | Daughter | — | Minnesota |
| 72 | Betty Ann C. More | 7 | Daughter | — | Minnesota |
| 73 | Doris F. More | 6 | Son | — | Minnesota |
| 74 | Darl O. More | 5 | Daughter | — | Minnesota |
| 75 | Fay E. More | 3 | Son | — | Minnesota |
| 76 | Charles E. More | 1 | Son | — | Minnesota |
| 77 | Herman O. Lewis | 68 | Head | Farming | Norway |
| 78 | Emma M. Lewis | 65 | Wife | — | Norway |
Pedigree Summary
Donald + 3 siblings
Gen 1 · 6 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)