GA
Grace Allen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Grace Allen across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1899), then head of a 5-person household.
Age 41
b. ~1899
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Allen |
| Given Name | Grace E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Housewife |
| Industry | Housework |
| Highest Grade | Hs 1 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Housewife |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1899 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Colleen Allen | Daughter | — | 12 | ~1928 |
| Barbara Allen | Daughter | — | 2 | ~1938 |
| Grace Allen | Spouse | — | 41 | ~1899 |
| Lester Allen | Head | — | 41 | ~1899 |
| John Allen | Other | — | 69 | ~1871 |
Census Appearances
1920
Polk, Iowa
Spouse, age 21
Polk, Iowa · implied b. ~1899 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Spouse, age 31
Polk, Iowa · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 18 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Virginia |
| Occupation | none |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Spouse, age 41
Polk-County, Iowa · implied b. ~1899 — 5 household members
| Surname | Allen |
| Given Name | Grace E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Housewife |
| Industry | Housework |
| Highest Grade | Hs 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 Grace Allen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Grace Allen
Spouse · 1940 · age 41 · b. ~1899 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01197-00055)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fred D. Mathis | 39 | Head | Real Estate Broker | Iowa |
| 42 | Norma M. Mathis | 38 | Wife | Housekeeper | Iowa |
| 43 | Marilyn D. Mathis | 17 | Daughter | — | Iowa |
| 44 | Winifred M. Mathis | 16 | Daughter | — | Iowa |
| 45 | Gifford M. Mathis | 12 | Son | — | Iowa |
| 46 | Cora M. Morning | 64 | Housekeeper | Housekeeper | Iowa |
| 47 | Wallace J. Dawson | 48 | Head | Accountant | Des Moines |
| 48 | Nellie F. Dawson | 47 | Wife | Housewife | Missouri |
| 49 | Robert B. Dawson | 18 | Son | Meat Cutter | Iowa |
| 51 | Andrew Patterson | 77 | Head | Retired | Sweden |
| 52 | Edith E. Patterson | 37 | Daughter | Teacher | Iowa |
| 53 | Carl A. Patterson | 37 | Son | Office Work | Iowa |
| 54 | Dorothy H. Patterson | 33 | Daughter | Stenographer | Iowa |
| 55 | Clarence D. Lindfelt | 42 | Head | Salesman | Iowa |
| 56 | Audrey M. Lindfelt | 44 | Wife | Housewife | Iowa |
| 57 | Gretchen L. Lindfelt | 5 | Daughter | — | Nebraska |
| 58 | Edwin C. Etchison | 57 | Head | Clerk | Iowa |
| 59 | Pearl Etchison | 54 | Wife | Housewife | Iowa |
| 60 | Ophelia Moore | 87 | Mother-in-law | Retired | Indiana |
| 61 | Hannes C. Willander | 58 | Head | Retired | Illinois |
| 62 | Harold F. Willander | 23 | Son | Office Work | Iowa |
| 63 | Lester Allen | 41 | Head | Plumber | Iowa |
| 64 | Grace E. Allen THIS PERSON | 41 | Wife | Housewife | Iowa |
| 65 | John Allen | 69 | Father | Retired | Iowa |
| 66 | Colleen L. Allen | 12 | Daughter | — | Iowa |
| 67 | Barbara Joan Allen | 2 | Daughter | — | Iowa |
| 68 | Maurice E. Mcballagh | 29 | Head | Loading Tester | Iowa |
| 69 | Wynona M. Mcballagh | 28 | Wife | Key Punch | Iowa |
| 70 | Robert M. Mcballagh | 4 | Son | — | Iowa |
| 71 | James P. Mcballagh | 3 | Son | — | Iowa |
| 72 | Martin C. Arvidson | 54 | Head | Ins. Salesman | Iowa |
| 73 | Anna M. Arvidson | 52 | Wife | Housewife | Illinois |
| 74 | Mary Hunt Shope | 69 | Head | Housekeeper | Iowa |
| 75 | Raymond H. Shope | 33 | Son | Meat Processor | Iowa |
| 76 | James Nelson Allan | 46 | Head | Drapery Man | Scotland |
| 77 | Anna A. Allan | 42 | Wife | Housewife | Iowa |
| 78 | Rose Anne Allan | 18 | Daughter | File Clerk | Iowa |
| 79 | Arlene J. Allan | 9 | Daughter | — | Iowa |
| 80 | Lila Myer Allan | 7 | Daughter | — | 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)