BS
Beatrice Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Beatrice Smith across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 5-person household.
Age 54
b. ~1886
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Smith |
| Given Name | Beatrice |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1886 |
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 Beatrice | Age | Birth yr |
|---|---|---|---|---|
| Beatrice Smith | Daughter | — | 12 | ~1928 |
| Ray Smith | Head | — | 55 | ~1885 |
| Arline Dunlap | Other | — | 22 | ~1918 |
| George Smith | Son | — | 24 | ~1916 |
| Beatrice Smith | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Polk, Iowa
Spouse, age 34
Polk, Iowa · implied b. ~1886 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Beatrice |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Spouse, age 44
Polk, Iowa · implied b. ~1886 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Beatrice S |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 25 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Spouse, age 54
Polk-County, Iowa · implied b. ~1886 — 5 household members
| Surname | Smith |
| Given Name | Beatrice |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines |
| 1935 Residence (County) | Polk |
| Income (1939) | 0 |
| Highest Grade | H-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 Beatrice Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Beatrice Smith
Spouse · 1940 · age 54 · b. ~1886 · 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
40 people indexed on this census page (nara:1940:m-t0627-01193-00327)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | D. Pearl Doughty | 58 | Wife | — | Iowa |
| 2 | Charles Quidel | 70 | Head | Physiotherapy | Maryland |
| 3 | Anna Quidel | 68 | Wife | — | Iowa |
| 4 | Ralph Larson | 45 | Head | Glass Office | Iowa |
| 5 | Beth Q. Larson | 40 | Wife | — | Iowa |
| 6 | Ralph Willard Larson | 18 | Son | Despatcher | Iowa |
| 7 | Muriel Larson | 16 | Daughter | — | Iowa |
| 8 | Tom G. Dyer | 45 | Head | Sales Manager | Iowa |
| 9 | Fay M. Dyer | 44 | Wife | — | Iowa |
| 10 | Thomas G. Jr. Dyer | 22 | Son | Salesman | Iowa |
| 11 | Robert R. Dyer | 20 | Son | — | Iowa |
| 12 | Ralph A. Dyer | 18 | Son | — | Iowa |
| 13 | Betty J. Locke | 23 | Wife-Dau | — | Iowa |
| 14 | Florence Orwick | 69 | Mother-in-law | — | Iowa |
| 15 | Ray F. Smith | 55 | Head | Owner | Iowa |
| 16 | Beatrice Smith THIS PERSON | 54 | Wife | — | Iowa |
| 17 | George Smith | 24 | Son | Salesman | Iowa |
| 18 | Beatrice Ann Smith | 12 | Daughter | — | Iowa |
| 19 | Arline Dunlap | 22 | Maid | Maid | Iowa |
| 20 | James Swaine | 48 | Head | Salesman | Iowa |
| 21 | Leah B. Swaine | 46 | Wife | — | Iowa |
| 22 | Rodger P. Swaine | 19 | Son | — | Iowa |
| 23 | Otto A. Adams | 80 | Head | — | Iowa |
| 24 | Emma Lissa Adams | 52 | Daughter | Teacher | Nebraska |
| 25 | Olive Berglund | 53 | Lodger | Sales Lady | Iowa |
| 26 | Charles Berglund | 20 | Son | Attendant | Iowa |
| 27 | Gust Laryes | 52 | Head | Part Owner | Greece |
| 28 | Anastasia Laryes | 57 | Wife | — | Greece |
| 29 | Perry La Rue | 45 | Head | Director Of Business | Illinois |
| 30 | Helen B. La Rue | 40 | Wife | — | Illinois |
| 31 | Beverly Jean La Rue | 12 | Daughter | — | Iowa |
| 32 | Mary Jane La Rue | 3 | Daughter | — | Iowa |
| 33 | Carl W. Brown | 47 | Head | Buyer | Iowa |
| 34 | Grace S. Brown | 47 | Wife | — | Iowa |
| 35 | Robert K. Brown | 19 | Son | Clerk | Iowa |
| 36 | Harry Pargas | 44 | Head | Shoe Repair | Greece |
| 37 | Voula B. Pargas | 38 | Wife | — | Greece |
| 38 | Agatha Pargas | 5 | Daughter | — | Iowa |
| 39 | Ernest Swen Young | 52 | Head | Salesman | Iowa |
| 40 | Ruth M. Young | 50 | Wife | Sales Lady | 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)