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Alma Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Henry-County, Iowa
Our Model Tree links this Alma Davis across the 1930 and 1940 US Censuses in Henry-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 10-person household.
Age 40
b. ~1900
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Henry-County, Iowa |
| Surname | Davis |
| Given Name | Alma J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Olds Town |
| 1935 Residence (County) | Henry |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Olds Town |
| Est. Birth Year | ~1900 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alma | Age | Birth yr |
|---|---|---|---|---|
| Harold Stoner | Other | — | 55 | ~1885 |
| Alma Davis | Spouse | — | 40 | ~1900 |
| June Davis | Daughter | — | 7 | ~1933 |
| R Davis | Head | — | 42 | ~1898 |
| Maxine Davis | Daughter | — | 19 | ~1921 |
| Dorothy Davis | Daughter | — | 14 | ~1926 |
| Dean Davis | Son | — | 5 | ~1935 |
| Arlene Davis | Daughter | — | 21 | ~1919 |
| Donald Davis | Son | — | 11 | ~1929 |
| Kenneth Davis | Son | — | 22 | ~1918 |
Census Appearances
1930
Henry, Iowa
Spouse, age 30
Henry, Iowa · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Alma J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 17 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Henry-County, Iowa
Spouse, age 40
Henry-County, Iowa · implied b. ~1900 — 10 household members
| Surname | Davis |
| Given Name | Alma J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Olds Town |
| 1935 Residence (County) | Henry |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 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 Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alma Davis
Spouse · 1940 · age 40 · b. ~1900 · 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 — Henry-County, Iowa
Open full size
1940 US Federal Census — Henry-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01166-01218)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dwayne Heaton | 17 | Son | Bookkeeper | Iowa |
| 42 | Jack Heaton | 14 | Son | — | Iowa |
| 43 | Donald Heaton | 12 | Son | — | Iowa |
| 44 | Gary Heaton | 9 | Son | — | Iowa |
| 45 | Lydia Miller | 65 | Head | — | Iowa |
| 46 | Naomi Anderson | 16 | Niece | — | Iowa |
| 47 | Robert May Gubboch | 35 | Boarder | School Teacher | Iowa |
| 48 | Orin Sharp | 30 | Head | Proprietor | Iowa |
| 49 | Viola Sharp | 26 | Wife | — | Iowa |
| 50 | Frank E. Haganman | 36 | Head | Telephone Lineman | Indiana |
| 51 | Florence Haganman | 31 | Wife | — | Iowa |
| 52 | Virginia Lee Haganman | 8 | Daughter | — | Iowa |
| 53 | C. S. Chrisinger | 77 | Head | Proprietor | Iowa |
| 54 | Mae Chrisinger | 47 | Wife | — | Iowa |
| 55 | Allan Chrisinger | 19 | Son | — | Iowa |
| 56 | Adeline Hooper | 74 | Boarder | — | Iowa |
| 57 | C. L. Garrick | 52 | Head | Janitor | Iowa |
| 58 | Margaret Garrick | 46 | Wife | — | Iowa |
| 59 | E. J. Roush | 48 | Head | Common Labor | Iowa |
| 60 | Verna Roush | 46 | Wife | — | Iowa |
| 61 | Ina Roush | 20 | Daughter | Waitress | Iowa |
| 62 | Don Miller | 29 | Head | Labourer | Iowa |
| 63 | Maxine Miller | 26 | Wife | — | Iowa |
| 64 | Jerry Donald Miller | 5 | Son | — | Iowa |
| 65 | J. A. Huston | 78 | Father | Laborer | Illinois |
| 66 | J. J. Brown | 58 | Head | Blacksmith | Missouri |
| 67 | Alice Brown | 48 | Wife | — | Arkansas |
| 68 | Dorothy Brown | 17 | Daughter | — | Washington |
| 69 | C. R. Hallimill | 55 | Head | Common Labor | Iowa |
| 70 | Florence Hallimill | 50 | Wife | — | Iowa |
| 71 | R. John Davis | 42 | Head | Labourer | Iowa |
| 72 | Alma J. Davis THIS PERSON | 40 | Wife | — | Iowa |
| 73 | Kenneth Davis | 22 | Son | — | Iowa |
| 74 | Arlene Davis | 21 | Daughter | — | Iowa |
| 75 | Maxine Davis | 19 | Daughter | Saleswoman | Iowa |
| 76 | Dorothy Davis | 14 | Daughter | — | Iowa |
| 77 | Donald Davis | 11 | Son | — | Iowa |
| 78 | June Davis | 7 | Daughter | — | Iowa |
| 79 | Dean Davis | 5 | Son | — | Iowa |
| 80 | Harold Stoner | 55 | Boarder | Truck Driver | 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)