EH
Elizabeth Hart — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Hamilton, Iowa
Our Model Tree links this Elizabeth Hart across the 1920 and 1930 US Censuses in Hamilton, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 11-person household.
Age 15
b. ~1915
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hamilton, Iowa |
| Surname | Hart |
| Given Name | Elizabeth J. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Denmark |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Williams Town |
| Est. Birth Year | ~1915 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| Howard Hart | Son | — | 19 | ~1911 |
| Irving Hart | Son | — | 29 | ~1901 |
| James Hart | Son | — | 28 | ~1902 |
| Evelyn Hart | Daughter | — | 24 | ~1906 |
| Frank Hart | Son | — | 26 | ~1904 |
| Earl Hart | Son | — | 33 | ~1897 |
| George Hart | Son | — | 22 | ~1908 |
| Martha Hart | Spouse | — | 56 | ~1874 |
| Elizabeth Hart | Daughter | — | 15 | ~1915 |
| Joseph Hart | Head | — | 75 | ~1855 |
| Joseph Hart | Son | — | 17 | ~1913 |
Census Appearances
1920
Hamilton, Iowa
Daughter, age 5
Hamilton, Iowa · implied b. ~1915 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Denmark |
| Can Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Hamilton, Iowa
Daughter, age 15
Hamilton, Iowa · implied b. ~1915 — 11 household members
| Surname | Hart |
| Given Name | Elizabeth J. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Denmark |
| Occupation | none |
| Can Read/Write | Yes |
| 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 Elizabeth Hart across 2 US Census years (1920 and 1930) in Hamilton, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Elizabeth Hart
Daughter · 1930 · age 15 · b. ~1915 · Iowa
★ You are viewing this record
Sibling
Joseph Hart
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Hart
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hart
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Hart
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Hart
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Hart
Sibling · 1930 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irving Hart
Sibling · 1930 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Hart
Sibling · 1930 · age 19
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 — Hamilton, Iowa
Open full size
1930 US Federal Census — Hamilton, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel657:0570)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruth E. Hart | 19 | daughter | None | Illinois |
| 2 | George E. Hart | 15 | son | Clerk | Illinois |
| 3 | Earl F. Hart | 14 | son | None | Illinois |
| 4 | Joseph W. Hart | 75 | head | None | Illinois |
| 5 | Martha Hart | 56 | wife | None | Denmark |
| 6 | Earl Hart | 33 | son | Laborer | Iowa |
| 7 | Irving D. Hart | 29 | son | Laborer | Iowa |
| 8 | James F. Hart | 28 | son | Laborer | Iowa |
| 9 | Frank J. Hart | 26 | son | Manager | Iowa |
| 10 | Evelyn M. Hart | 24 | daughter | None | Iowa |
| 11 | George W. Hart | 22 | son | Clerk | Iowa |
| 12 | Howard Hart | 19 | son | None | Iowa |
| 13 | Joseph Hart | 17 | son | None | Iowa |
| 14 | Elizabeth J. Hart THIS PERSON | 15 | daughter | None | Iowa |
| 15 | Peter W. Petersen | 44 | head | Butter Maker | Denmark |
| 16 | Fern G. Petersen | 34 | wife | None | Iowa |
| 17 | Frank A. Petersen | 17 | son | None | Iowa |
| 18 | Evelyn A. Petersen | 13 | daughter | None | Iowa |
| 19 | Robert W. Petersen | 5 | son | None | Iowa |
| 20 | Lydia Warrick | 18 | maid | Maid | Iowa |
| 21 | Johnault Haggard | 32 | head | Laborer | Kentucky |
| 22 | Etta M. Haggard | 29 | wife | None | Iowa |
| 23 | Ruth L. Haggard | 8 | daughter | None | Minnesota |
| 24 | James C. Haggard | 4 | son | None | Arkansas |
| 25 | Jack L. Haggard | 1 | son | None | Nebraska |
| 26 | Harry A. Lockwood | 38 | head | Proprietor | Minnesota |
| 27 | Ella L. Lockwood | 35 | wife | None | Tennessee |
| 28 | Junette E. Lockwood | 13 | daughter | None | Iowa |
| 29 | Harold R. Lockwood | 11 | son | None | Iowa |
| 30 | Charlotte L. Lockwood | 6 | daughter | None | Iowa |
| 31 | Frederick Christiansen | 75 | father-in-law | None | Denmark |
| 32 | Silas S. Lockwood | 25 | brother | Butcher | Minnesota |
| 33 | Emma R. Johnson | 69 | head | None | Pennsylvania |
| 34 | Earl H. Johnson | 41 | son | Manager | Iowa |
| 35 | Gay W. Argo | 24 | roomer | Teacher | Iowa |
| 36 | Dan W. Fitchhorn | 65 | head | None | Illinois |
| 37 | Alice Fitchhorn | 57 | wife | None | Illinois |
| 38 | William P. Brossenberger | 43 | head | Veterinary | Illinois |
| 39 | Anna Brossenberger | 39 | wife | None | Iowa |
| 40 | Emma Martinson | 64 | head | None | Iowa |
| 41 | Ruth L. Martinson | 36 | daughter | Cashier | Iowa |
| 42 | Samuel W. Fitchhorn | 57 | head | Laborer | Iowa |
| 43 | Emma E. Fitchhorn | 54 | wife | Proprietor | Illinois |
| 44 | Georgia A. Fitchhorn | 16 | daughter | None | Iowa |
| 45 | Mildred B. Fitchhorn | 14 | daughter | None | Iowa |
| 46 | Daniel M. Fitchhorn | 12 | son | None | Iowa |
| 47 | Albert L. Ward | 51 | head | Agent | Wisconsin |
| 48 | Mary L. Ward | 44 | wife | None | Iowa |
| 49 | Doris E. Ward | 13 | daughter | None | Iowa |
| 50 | Robert W. Ward | 11 | son | None | Iowa |
Related Census Records
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)