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Dorothy Foster — 1930 US Census Record
Model Tree available1930 United States Federal Census · Polk, Iowa
Our Model Tree links this Dorothy Foster across the 1920, 1930 and 1940 US Censuses in Polk, Iowa (XGBoost, ~Confirmed), with identified parents Henry & Henry — first a daughter (b.~1910), then head of a 5-person household.
Age 20
b. ~1910
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | Foster |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Clerk |
| Industry | Mail Order House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Clerk |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1910 |
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 1930 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Nellie Foster | Other | — | 43 | ~1887 |
| Paul Foster | Son | — | 22 | ~1908 |
| Hazel Foster | Daughter | — | 19 | ~1911 |
| Henry Foster | Head | — | 42 | ~1888 |
| Dorothy Foster | Daughter | — | 20 | ~1910 |
Census Appearances
1920
Polk, Iowa
Daughter, age 10
Polk, Iowa · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| 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
Daughter, age 20
Polk, Iowa · implied b. ~1910 — 5 household members
| Surname | Foster |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Clerk |
| Industry | Mail Order House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Other, age 30
Polk-County, Iowa · implied b. ~1910 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Doris |
| Relationship to Head | Maid |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Panora |
| 1935 Residence (County) | Guthrie |
| Occupation | Maid |
| Industry | Housework |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 300 |
| Highest Grade | H-2 |
| 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 Dorothy Foster across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Foster (~0.92 confidence) and father Henry Foster (~0.92 confidence) and mother Jessie Foster (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Foster
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Henry Foster
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Jessie Foster
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Foster
Daughter · 1930 · age 20 · b. ~1910 · Iowa
★ You are viewing this record
Sibling
Hazel Foster
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Foster
Sibling · 1930 · age 22
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
1930 US Federal Census — Polk, Iowa
Open full size
1930 US Federal Census — Polk, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel676:0689)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Johnson | 64 | Head | Laborer | Sweden |
| 52 | Anna O Johnson | 58 | Wife-H | None | Sweden |
| 53 | Helen Johnson | 17 | Daughter | None | Iowa |
| 54 | August Johnson | 42 | Lodger | Painter | Sweden |
| 55 | Anna Peterson | 49 | Head | None | Sweden |
| 56 | Oscar Peterson | 24 | Son | Laborer | Sweden |
| 57 | Wald Peterson | 22 | Son | Repairman | Sweden |
| 58 | Axel Peterson | 20 | Son | Laborer | Iowa |
| 59 | Effie Peterson | 18 | Daughter | None | Iowa |
| 60 | Ernest Peterson | 15 | Son | None | Iowa |
| 61 | Edna Peterson | 13 | Daughter | None | Iowa |
| 62 | Evelyn Peterson | 10 | Daughter | None | Iowa |
| 63 | Arthur Peterson | 7 | Son | None | Iowa |
| 64 | Ralph Newton | 39 | Head | Manager | Iowa |
| 65 | Clara Newton | 39 | Wife-H | None | Illinois |
| 66 | Helen Newton | 11 | Daughter | None | Iowa |
| 67 | Marguerite Newton | 8 | Daughter | None | Iowa |
| 68 | Isabelle Newton | 4 | Daughter | None | Iowa |
| 69 | Arthur Haddick | 29 | Lodger | Bookkeeper | Illinois |
| 70 | Kenneth Haddick | 22 | Lodger | Inspector | Iowa |
| 71 | Gladys Thompson | 31 | Lodger | Stenographer | Iowa |
| 72 | Edd Yaruch | 38 | Head | Janitor | Syria |
| 73 | Hady Yaruch | 35 | Wife-H | None | Syria |
| 74 | George Yaruch | 15 | Son | None | South Dakota |
| 75 | Joseph Yaruch | 12 | Son | None | Iowa |
| 76 | Josephine Yaruch | 10 | Daughter | None | Iowa |
| 77 | Virginia Yaruch | 8 | Daughter | None | Iowa |
| 78 | Evelyn Yaruch | 6 | Daughter | None | Iowa |
| 79 | Barbara Yaruch | 75 | Mother | None | Syria |
| 80 | Robert E Smiley | 36 | Head | Switchman | Iowa |
| 81 | Margaret Smiley | 33 | Wife-H | None | Iowa |
| 82 | Alice Smiley | 15 | Daughter | None | Iowa |
| 83 | Robert Smiley | 8 | Son | None | Iowa |
| 84 | Margaret Davis | 61 | Mother-in-law | None | Wales |
| 85 | Silas W Auger | 35 | Head | None | New York |
| 86 | Marguerite Auger | 31 | Wife-H | None | Pennsylvania |
| 87 | Jessie F Auger | 62 | Daughter | Housekeeper | Iowa |
| 88 | Ella Underwood | 48 | Daughter | None | Iowa |
| 89 | Nellie Donoghue | 53 | Head | Solicitor | Iowa |
| 90 | Paul J Donoghue | 13 | Son | None | Iowa |
| 91 | Henry A Foster | 42 | Head | Manager | Iowa |
| 92 | Nellie Foster | 43 | Wife-H | None | Iowa |
| 93 | Paul Foster | 22 | Son | Knitter | Iowa |
| 94 | Dorothy Foster THIS PERSON | 20 | Daughter | Clerk | Iowa |
| 95 | Hazel Foster | 19 | Daughter | Clerk | Iowa |
| 96 | Rallo Greulie | 50 | Head | Plasterer | Iowa |
| 97 | Grace Greulie | 52 | Wife-H | None | Iowa |
| 98 | Kenneth Greulie | 26 | Son | Salesman | Iowa |
| 99 | Jerry S Lynch | 39 | Head | Postal Clerk | Connecticut |
| 100 | Margaret R Lynch | 35 | Wife-H | None | New York |
Pedigree Summary
Dorothy + 2 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)