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Alma Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Boone-County, Iowa
Our Model Tree links this Alma Williams across the 1920, 1930 and 1940 US Censuses in Boone-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 9-person household.
Age 46
b. ~1894
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Boone-County, Iowa |
| Surname | Williams |
| Given Name | Alma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Marcy Twp |
| 1935 Residence (County) | Boone |
| Additional Details | |
| Occupation | none |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Marcy Twp |
| Est. Birth Year | ~1894 |
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 Alma | Age | Birth yr |
|---|---|---|---|---|
| Bessie Williams | Daughter | — | 14 | ~1926 |
| Drake Williams | Son | — | 20 | ~1920 |
| Russell Williams | Son | — | 12 | ~1928 |
| Gail Williams | Son | — | 9 | ~1931 |
| Bernice Williams | Daughter | — | 16 | ~1924 |
| Boyce Williams | Son | — | 23 | ~1917 |
| Thad Williams | Head | — | 54 | ~1886 |
| Eynon Williams | Daughter | — | 10 | ~1930 |
| Alma Williams | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Boone, Iowa
Spouse, age 26
Boone, Iowa · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Alma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Boone, Iowa
Spouse, age 36
Boone, Iowa · implied b. ~1894 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Alma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 21 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Boone-County, Iowa
Spouse, age 46
Boone-County, Iowa · implied b. ~1894 — 9 household members
| Surname | Williams |
| Given Name | Alma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Marcy Twp |
| 1935 Residence (County) | Boone |
| Occupation | none |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 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 Alma Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Alma Williams
Spouse · 1940 · age 46 · b. ~1894 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Boone-County, Iowa
Open full size
1940 US Federal Census — Boone-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01141-00758)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clara Harker | 30 | Wife | Operator | Iowa |
| 42 | Thad E. Williams | 54 | Head | Farmer | Iowa |
| 43 | Alma Williams THIS PERSON | 46 | Wife | None | Iowa |
| 44 | Boyce Williams | 23 | Son | Laborer | Iowa |
| 45 | Drake Williams | 20 | Son | Laborer | Iowa |
| 46 | Bernice Williams | 16 | Daughter | None | Iowa |
| 47 | Bessie Williams | 14 | Daughter | None | Iowa |
| 48 | Russell Williams | 12 | Son | None | Iowa |
| 49 | Eynon Williams | 10 | Daughter | None | Iowa |
| 50 | Gail Williams | 9 | Son | None | Iowa |
| 51 | Walter E. Lundgren | 34 | Head | Refrigeration Engineer | Iowa |
| 52 | Marjorie Lundgren | 24 | Wife | None | Iowa |
| 53 | Mary Bundy | 89 | Grandmother | None | Illinois |
| 54 | Margaret Hayen | 50 | Mother-in-law | None | Iowa |
| 55 | Irene Stumbo | 66 | Nephew | None | Iowa |
| 56 | Marjorie Stumbo | 44 | Head | None | Iowa |
| 57 | Ray A. Stumbo | 20 | Son | Graduating | Iowa |
| 58 | Lawrence Stumbo | 42 | Head | Farmer | Iowa |
| 59 | Florella Stumbo | 41 | Wife | None | Iowa |
| 60 | Lavone Stumbo | 16 | Daughter | None | Iowa |
| 61 | W. R. Stumbo | 65 | Head | Farmer | Iowa |
| 62 | Fay Stumbo | 38 | Daughter | None | Iowa |
| 63 | Martin Needham | 57 | Head | Laborer | Iowa |
| 64 | John Walker | 60 | Head | Farmer | Iowa |
| 65 | Bertha Walker | 53 | Wife | None | Iowa |
| 66 | Madeline Walker | 18 | Daughter | Stenographer | Iowa |
| 67 | Elmer D. Hodges | 38 | Head | Farmer | Iowa |
| 68 | Edna Hodges | 29 | Wife | None | Iowa |
| 69 | Patricia Hodges | 6 | Daughter | None | Iowa |
| 70 | Leonard Eugene Hodges | 10 | Son | None | Iowa |
| 71 | Viola Hodges | 5 | Daughter | None | Iowa |
| 72 | Robert Hodges | 3 | Son | None | Iowa |
| 73 | Kathleen Hodges | 2 | Daughter | None | Iowa |
| 74 | Vincent Hodges | 2 | Son | None | Iowa |
| 75 | Frank P. Mueller | 36 | Head | Farmer | Iowa |
| 76 | Arlene Mueller | 32 | Wife | None | Iowa |
| 77 | Norma Mueller | 8 | Daughter | None | Iowa |
| 78 | Richard Mueller | 5 | Son | None | Iowa |
| 79 | Riley Miller | 53 | Head | Farmer | Iowa |
| 80 | Dottie Miller | 50 | Wife | None | Iowa |
Related Census Records
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)