DW
Donald Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Union-County, Iowa
Our Model Tree links this Donald Williams across the 1920, 1930 and 1940 US Censuses in Union-County, Iowa (XGBoost, ~Confirmed), with identified parents Clinton & Ella — first a son (b.~1918), then head of a 9-person household.
Age 22
b. ~1918
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, Iowa |
| Surname | Williams |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Afton |
| 1935 Residence (County) | Union |
| Additional Details | |
| Occupation | Service man |
| Industry | Oil Station |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 91 |
| Highest Grade | Hs 4 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Service Man |
| Township / Ward | Creston City |
| Est. Birth Year | ~1918 |
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 Donald | Age | Birth yr |
|---|---|---|---|---|
| Dorothea Gatehouse | Daughter | — | 24 | ~1916 |
| Bettie Brown | Head | — | 44 | ~1896 |
| Glen Willings | Other | — | 32 | ~1908 |
| Ferdinand Heinsmeyer | Other | — | 10 | ~1930 |
| Gertrude Den Herder | Other | — | 30 | ~1910 |
| Luella Ferguson | Other | — | 56 | ~1884 |
| Mary Hodge | Other | — | 72 | ~1868 |
| Donald Williams | Son | — | 22 | ~1918 |
| Amil Miles | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Union, Iowa
Son, age 1
Union, Iowa · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | South Dakota |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Union, Iowa
Son, age 12
Union, Iowa · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Donald F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | South Dakota |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Union-County, Iowa
Son, age 22
Union-County, Iowa · implied b. ~1918 — 9 household members
| Surname | Williams |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Afton |
| 1935 Residence (County) | Union |
| Occupation | Service man |
| Industry | Oil Station |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 91 |
| Highest Grade | Hs 4 |
| 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 Donald Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Clinton Williams (~0.92 confidence) and mother Ella Williams (~0.92 confidence) and father Amil Miles (~0.92 confidence) and father Nicholas Williams (~0.92 confidence) and mother Bettie Brown (~0.92 confidence) and mother Ella Williams (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Clinton Williams
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Ella Williams
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Amil Miles
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Nicholas Williams
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Bettie Brown
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Ella Williams
b. ~1901
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Williams
Son · 1940 · age 22 · b. ~1918 · Iowa
★ You are viewing this record
Sibling
Dorothea Gatehouse
Sibling · 1940 · age 24
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 — Union-County, Iowa
Open full size
1940 US Federal Census — Union-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01208-00136)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Francis C. Jarvis | 37 | Step-son | Cement Work | North Dakota |
| 2 | Alvina Kneidig | 81 | Mother-in-law | — | Germany |
| 3 | John Mullin | 50 | Brother | Caretaker | Iowa |
| 4 | Glenn Hayes | 20 | Brother-in-law | Attendant | Iowa |
| 5 | Horace A. Mcnabb | 35 | Head | Salesman | Oklahoma |
| 6 | Catherine Mcnabb | 35 | Wife | — | Iowa |
| 7 | Larry M. Mcnabb | 7 | Son | — | Iowa |
| 8 | Stanley A. Mcnabb | 1 | Son | — | Oklahoma |
| 9 | Maxine Mcdonald | 22 | Sister-in-law | Maid | Iowa |
| 10 | Mary Ann Leinhage | 20 | Lodger | Book Keeper | Kansas |
| 11 | Sam Parker | 71 | Lodger | — | Iowa |
| 12 | Nelle Roche | 72 | Head | — | Iowa |
| 13 | Walter Calvin | 49 | Head | Exterminator | Missouri |
| 14 | Cora Calvin | 45 | Wife | — | Texas |
| 15 | Armand Calvin | 18 | Son | — | Missouri |
| 16 | Mae Calvin | 15 | Daughter | — | Missouri |
| 17 | Velda Calvin | 13 | Daughter | — | Missouri |
| 18 | Yelma Calvin | 9 | Daughter | — | Iowa |
| 19 | Teddy Calvin | 6 | Son | — | Iowa |
| 20 | Jerry Calvin | 1 | Son | — | Iowa |
| 21 | Jesse Beaman | 56 | Head | Painter | Iowa |
| 22 | Anna M. Weisshaar | 71 | Head | — | Germany |
| 23 | Cecelia Weisshaar | 34 | Daughter | — | Iowa |
| 24 | Frankie Madden | 25 | Head | Egg Candler | Iowa |
| 25 | Paul L. Kelly | 35 | Son | Owner | Iowa |
| 26 | Bert Kelly | 38 | Son | Attendant | Iowa |
| 27 | Bernard Kelly | 38 | Son | Attendant | Iowa |
| 28 | Earl Kelly | 33 | Son | Attendant | Iowa |
| 29 | Bettie A. Brown | 44 | Head | Trav Evangelist | Oklahoma |
| 30 | Gertrude Den Herder | 30 | Lodger | Trav Evangelist | Iowa |
| 31 | Luella Ferguson | 56 | Nurse | Practical Nurse | Missouri |
| 32 | Mary Hodge | 72 | Sister | — | Massachusetts |
| 33 | Amil Miles | 56 | Husband | Waiter | Illinois |
| 34 | Ferdinand Heinsmeyer | 10 | Grandson | — | Texas |
| 35 | Glen Willings | 32 | Lodger | Brakeman | Iowa |
| 36 | Donald Williams THIS PERSON | 22 | Son | Service Man | Iowa |
| 37 | Dorothea Gatehouse | 24 | Daughter | Teacher | Iowa |
| 38 | Wilhelmina Schwartz | 47 | Head | Teacher | Kansas |
| 39 | Georgia Van Vorth | 40 | Sister | Teacher | West Virginia |
| 40 | Theophane Reinecke | 25 | Sister | Teacher | Kansas |
Pedigree Summary
Donald + 1 sibling
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)