WC
William Carpenter — 1930 US Census Record
Model Tree available1930 United States Federal Census · Hardin, Iowa
Our Model Tree links this William Carpenter across the 1920, 1930 and 1940 US Censuses in Hardin, Iowa (XGBoost, ~Confirmed), with identified parents Ulysses & Donald — first a son (b.~1906), then head of a 7-person household.
Age 24
b. ~1906
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hardin, Iowa |
| Surname | Carpenter |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Ellis Township |
| Est. Birth Year | ~1906 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Carpenter | Daughter | — | 21 | ~1909 |
| Ora Leonard | Daughter | — | 34 | ~1896 |
| Mary Barry | Daughter | — | 2 | ~1928 |
| Ulysses Leonard | Head | — | 63 | ~1867 |
| C Barry | Other | — | 31 | ~1899 |
| Norma Barry | Other | — | 28 | ~1902 |
| William Carpenter | Son | — | 24 | ~1906 |
Census Appearances
1920
Hardin, Iowa
Son, age 13
Hardin, Iowa · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carpenter |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| 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
Hardin, Iowa
Son, age 24
Hardin, Iowa · implied b. ~1906 — 7 household members
| Surname | Carpenter |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Hardin-County, Iowa
Head, age 34
Hardin-County, Iowa · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carpenter |
| Given Name | Willis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Ellis Township |
| 1935 Residence (County) | Hardin |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | E |
| Hours Worked | 72 |
| Income (1939) | 66 |
| Highest Grade | Hs 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 William Carpenter across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ulysses Leonard (~0.92 confidence) and father Donald Carpenter (~0.92 confidence) and mother Lorana Carpenter (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ulysses Leonard
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Donald Carpenter
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Lorana Carpenter
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Carpenter
Son · 1930 · age 24 · b. ~1906 · Iowa
★ You are viewing this record
Sibling
Ora Leonard
Sibling · 1930 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Barry
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Carpenter
Sibling · 1930 · age 21
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 — Hardin, Iowa
Open full size
1930 US Federal Census — Hardin, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel657:1103)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ulysses Leonard | 63 | Head | — | Iowa |
| 2 | Ora G. Leonard | 34 | Daughter | Nurse | Iowa |
| 3 | William Carpenter THIS PERSON | 24 | Son | Laborer | Iowa |
| 4 | Dorothy Carpenter | 21 | Daughter | Housework | Iowa |
| 5 | C. W. Barry | 31 | Son-in-law | Laborer | Wisconsin |
| 6 | Norma Barry | 28 | Wife-H | Housework | Iowa |
| 7 | Mary Barry | 2 | Daughter | — | Iowa |
| 8 | W. H. Burdick | 75 | Head | Farmer | Illinois |
| 9 | Margaret Burdick | 72 | Wife-H | — | Illinois |
| 10 | Edward Campbell | 51 | Head | Farmer | New York |
| 11 | Maude Campbell | 50 | Wife-H | — | New York |
| 12 | Vivian Campbell | 18 | Daughter | — | Iowa |
| 13 | Kenneth Campbell | 13 | Son | — | Iowa |
| 14 | — | None | — | — | — |
| 15 | — | None | — | — | — |
| 16 | — | None | — | — | — |
| 17 | — | None | — | — | — |
| 18 | — | None | — | — | — |
| 19 | — | None | — | — | — |
| 20 | — | None | — | — | — |
| 21 | — | None | — | — | — |
| 22 | — | None | — | — | — |
| 23 | — | None | — | — | — |
| 24 | — | None | — | — | — |
| 25 | — | None | — | — | — |
| 26 | — | None | — | — | — |
| 27 | — | None | — | — | — |
| 28 | — | None | — | — | — |
| 29 | — | None | — | — | — |
| 30 | — | None | — | — | — |
| 31 | — | None | — | — | — |
| 32 | — | None | — | — | — |
| 33 | — | None | — | — | — |
| 34 | — | None | — | — | — |
| 35 | — | None | — | — | — |
| 36 | — | None | — | — | — |
| 37 | — | None | — | — | — |
| 38 | — | None | — | — | — |
| 39 | — | None | — | — | — |
| 40 | — | None | — | — | — |
| 41 | — | None | — | — | — |
| 42 | — | None | — | — | — |
| 43 | — | None | — | — | — |
| 44 | — | None | — | — | — |
| 45 | — | None | — | — | — |
| 46 | — | None | — | — | — |
| 47 | — | None | — | — | — |
| 48 | — | None | — | — | — |
| 49 | — | None | — | — | — |
| 50 | — | None | — | — | — |
Pedigree Summary
William + 3 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)