EH
Elizabeth Hamilton — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lucas-County, Iowa
Our Model Tree links this Elizabeth Hamilton across the 1930 and 1940 US Censuses in Lucas-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 7-person household.
Age 18
b. ~1922
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Iowa |
| Surname | Hamilton |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Benton Township |
| 1935 Residence (County) | Lucas |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Benton Township |
| Est. Birth Year | ~1922 |
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 1940 census.
| Name | Relation to head | Relative to Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| James Hamilton | Son | — | 24 | ~1916 |
| Elizabeth Hamilton | Daughter | — | 18 | ~1922 |
| George Hamilton | Son | — | 14 | ~1926 |
| Lewis Hamilton | Head | — | 56 | ~1884 |
| Maude Hamilton | Spouse | — | 53 | ~1887 |
| Mary Hamilton | Daughter | — | 16 | ~1924 |
| William Hamilton | Son | — | 20 | ~1920 |
Census Appearances
1930
Lucas, Iowa
Daughter, age 8
Lucas, Iowa · implied b. ~1922 — 21 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Elizabeth M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Lucas-County, Iowa
Daughter, age 18
Lucas-County, Iowa · implied b. ~1922 — 7 household members
| Surname | Hamilton |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Benton Township |
| 1935 Residence (County) | Lucas |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| 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 Hamilton across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Elizabeth Hamilton
Daughter · 1940 · age 18 · b. ~1922 · Iowa
★ You are viewing this record
Sibling
Mary Hamilton
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Hamilton
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hamilton
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Hamilton
Sibling · 1940 · age 14
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
1940 US Federal Census — Lucas-County, Iowa
Open full size
1940 US Federal Census — Lucas-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01178-00762)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Chester Dexter | 19 | Son | Farm Laborer | Iowa |
| 42 | James Dexter | 15 | Son | — | Iowa |
| 43 | Betty Dexter | 13 | Daughter | — | Iowa |
| 44 | Rosie Mauk | 75 | Head | Farmer | Illinois |
| 45 | Marie Mauk | 35 | Daughter | — | Iowa |
| 46 | James R. Elwood | 47 | Head | Farmer | Missouri |
| 47 | Lulu G. Elwood | 41 | Wife | — | Iowa |
| 48 | George B. Elwood | 17 | Son | — | Iowa |
| 49 | G. Evelyn Elwood | 15 | Daughter | — | Iowa |
| 50 | Marline M. Elwood | 13 | Daughter | — | Iowa |
| 51 | Ilene M. Elwood | 11 | Daughter | — | Iowa |
| 52 | Francis O. Elwood | 8 | Son | — | Iowa |
| 53 | Ruth M. Elwood | 7 | Daughter | — | Iowa |
| 54 | Ruby M. Elwood | 7 | Daughter | — | Iowa |
| 55 | Pauline I. Elwood | 4 | Daughter | — | Iowa |
| 56 | James R. Elwood | 1 | Son | — | Iowa |
| 57 | Orlando T. Repp | 69 | Head | — | Iowa |
| 58 | Mary A. Repp | 70 | Wife | — | Iowa |
| 59 | Russell S. Repp | 44 | Son | Farmer | Iowa |
| 60 | Ruie M. Repp | 44 | Daughter in law | — | Iowa |
| 61 | Al E. Hamilton | 55 | Head | Farmer | Indiana |
| 62 | Hazel Hamilton | 46 | Wife | — | Iowa |
| 63 | Lewis Hamilton | 56 | Head | Farmer | Iowa |
| 64 | Maude N. Hamilton | 53 | Wife | — | Iowa |
| 65 | James E. Hamilton | 24 | Son | — | Iowa |
| 66 | William H. Hamilton | 20 | Son | — | Iowa |
| 67 | Elizabeth Hamilton THIS PERSON | 18 | Daughter | — | Iowa |
| 68 | Mary J. Hamilton | 16 | Daughter | — | Iowa |
| 69 | George E. Hamilton | 14 | Son | — | Iowa |
| 70 | Harry I. Robinson | 56 | Head | Farmer | Iowa |
| 71 | Mabel H. Robinson | 47 | Wife | — | Iowa |
| 72 | Harry E. Robinson | 19 | Son | Farmer | Iowa |
| 73 | Gerald J. Robinson | 16 | Son | — | Iowa |
| 74 | Dexter Mcdougally | 58 | Head | Farmer | Iowa |
| 75 | Belle Mcdougally | 59 | Wife | — | Iowa |
| 76 | Clement Mcdougally | 31 | Son | Farm Laborer | Iowa |
| 77 | Mary A. O'Dell | 20 | Lodger | School Teacher | Nebraska |
| 78 | Lewis Pearson | 42 | Head | Farmer | Iowa |
| 79 | Marie Pearson | 35 | Wife | — | Iowa |
| 80 | Twila Pearson | 12 | Daughter | — | 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)