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Donald Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Woodbury-County, Iowa
Our Model Tree links this Donald Williams across the 1930 and 1940 US Censuses in Woodbury-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 9-person household.
Age 13
b. ~1927
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Woodbury-County, Iowa |
| Surname | Williams |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Moville |
| 1935 Residence (County) | Woodbury |
| Additional Details | |
| Highest Grade | G 3 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Sioux City City |
| Est. Birth Year | ~1927 |
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 |
|---|---|---|---|---|
| Dorothy Williams | Daughter | — | 16 | ~1924 |
| Evelyn Williams | Daughter | — | 10 | ~1930 |
| Hope Williams | Daughter | — | 17 | ~1923 |
| Ben Williams | Head | — | 43 | ~1897 |
| Ben Williams | Son | — | 22 | ~1918 |
| Donald Williams | Son | — | 13 | ~1927 |
| Robert Williams | Son | — | 19 | ~1921 |
| Charles Williams | Son | — | 1 | ~1939 |
| Alma Williams | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Woodbury, Iowa
Son, age 4
Woodbury, Iowa · implied b. ~1926 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Woodbury-County, Iowa
Son, age 13
Woodbury-County, Iowa · implied b. ~1927 — 9 household members
| Surname | Williams |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Moville |
| 1935 Residence (County) | Woodbury |
| Highest Grade | G 3 |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Donald Williams
Son · 1940 · age 13 · b. ~1927 · Iowa
★ You are viewing this record
Sibling
Ben Williams
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Williams
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Williams
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Williams
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hope Williams
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Williams
Sibling · 1940 · age 10
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 — Woodbury-County, Iowa
Open full size
1940 US Federal Census — Woodbury-County, Iowa
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-01215-00755)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Agness H. Seavey | 66 | Wife | Telegraph Operator | Illinois |
| 42 | Billie Jean Stapp | 11 | Son | — | Oklahoma |
| 43 | Lila Mae Kade | 17 | Sister | Waitress | Iowa |
| 44 | Caroline Kurt | 18 | Daughter | — | Iowa |
| 46 | Charles W. Stevens | 20 | Head | — | New York |
| 47 | Millie Stevens | 20 | Wife | — | Missouri |
| 49 | Newton Beringer | 59 | Head | Truck Driver | Iowa |
| 50 | Myrtle Beringer | 58 | Wife | — | Iowa |
| 51 | Alma O'Donnell | 43 | Head | Butter Tester | Iowa |
| 52 | Fern O'Donnell | 19 | Daughter | — | Iowa |
| 53 | Verna O'Donnell | 16 | Daughter | — | Iowa |
| 54 | Billie O'Donnell | 14 | Son | — | Iowa |
| 55 | Betty O'Donnell | 14 | Daughter | — | Iowa |
| 56 | Glen Purdy | 25 | Head | Laborer | Iowa |
| 57 | Delores Purdy | 19 | Wife | — | Nebraska |
| 58 | Robert Allen Purdy | 2 | Son | — | Iowa |
| 59 | Glen Paul Purdy | 0 | Son | — | Iowa |
| 61 | Jacqueline Hawley | 9 | Daughter | — | Iowa |
| 63 | Ben Williams | 43 | Head | Laborer | Illinois |
| 64 | Alma Williams | 38 | Wife | — | Illinois |
| 65 | Ben Williams | 22 | Son | Helper | Illinois |
| 66 | Robert Williams | 19 | Son | Helper | Iowa |
| 67 | Hope Williams | 17 | Daughter | New Worker | Iowa |
| 68 | Dorothy Williams | 16 | Daughter | New Worker | Iowa |
| 69 | Donald Williams THIS PERSON | 13 | Son | — | Iowa |
| 70 | Evelyn Williams | 10 | Daughter | — | Iowa |
| 71 | Charles Williams | 1 | Son | — | Iowa |
| 72 | Levora Schultz | 35 | Head | Floor Lady | Iowa |
| 73 | Mae Schultz | 23 | Daughter | — | Nebraska |
| 74 | Robert Schultz | 29 | Son | Salesman | So. Dakota |
| 75 | Lola Haliburton | 45 | Lodger | Bookkeeper | Missouri |
| 76 | Dayle Hanson | 36 | Head | R.R. | Nebraska |
| 77 | Esther Hanson | 37 | Wife | — | Iowa |
| 78 | Wendel Hanson | 12 | Son | — | Nebraska |
| 79 | Alonzo Miles | 68 | Head | Deputy Auditor | Iowa |
| 80 | Clara Miles | 62 | Wife | — | Iowa |
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)