HR
Henry Robinson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Lucas, Iowa
Our Model Tree links this Henry Robinson across the 1930 and 1940 US Censuses in Lucas, Iowa (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 21-person household.
Age 9
b. ~1921
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Lucas, Iowa |
| Surname | Robinson |
| Given Name | Henry E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | White Breast Township |
| Est. Birth Year | ~1921 |
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.
21 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Hamilton | Daughter | — | 8 | ~1922 |
| Frances Hamilton | Daughter | — | 15 | ~1915 |
| Mary Hamilton | Daughter | — | 6 | ~1924 |
| Maria Isrington | Head | — | 75 | ~1855 |
| Lula Mcdougall | Other | — | 48 | ~1882 |
| Dexter Mcdougall | Other | — | 48 | ~1882 |
| Perry Robinson | Other | — | 46 | ~1884 |
| Mabel Robinson | Other | — | 37 | ~1893 |
| Opal Rossell | Other | — | 22 | ~1908 |
| John Hamilton | Other | — | 46 | ~1884 |
| Maude Hamilton | Other | — | 43 | ~1887 |
| Lester Hamilton | Son | — | 12 | ~1918 |
| John Hamilton | Son | — | 20 | ~1910 |
| Clement Mcdougall | Son | — | 21 | ~1909 |
| James Hamilton | Son | — | 14 | ~1916 |
| Burke Hamilton | Son | — | 4 | ~1926 |
| Gerald Robinson | Son | — | 6 | ~1924 |
| Henry Robinson | Son | — | 9 | ~1921 |
| Arthur Isrington | Son | — | 50 | ~1880 |
| William Hamilton | Son | — | 10 | ~1920 |
| Stanley Hamilton | Son | — | 17 | ~1913 |
Census Appearances
1930
Lucas, Iowa
Son, age 9
Lucas, Iowa · implied b. ~1921 — 21 household members
| Surname | Robinson |
| Given Name | Henry E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| 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
Son, age 19
Lucas-County, Iowa · implied b. ~1921 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Harry E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Benton Township |
| 1935 Residence (County) | Lucas |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 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 Henry Robinson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Henry Robinson
Son · 1930 · age 9 · b. ~1921 · Iowa
★ You are viewing this record
Sibling
Arthur Isrington
Sibling · 1930 · age 50
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lester Hamilton
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Hamilton
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Hamilton
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clement Mcdougall
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Robinson
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Hamilton
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Hamilton
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Hamilton
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Hamilton
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hamilton
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Burke Hamilton
Sibling · 1930 · age 4
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 — Lucas, Iowa
Open full size
1930 US Federal Census — Lucas, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel666:0576)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry Hoffman | 61 | Head | Farmer | Pennsylvania |
| 2 | Annie R. Hoffman | 62 | Wife-H | — | Indiana |
| 3 | Amos B. Hoffman | 28 | Son | Farm Laborer | Iowa |
| 4 | Verna L. Hoffman | 25 | Daughter-in-law | — | Iowa |
| 5 | James J. Morrissey | 20 | Son-in-law | Salesman | Iowa |
| 6 | Agusta M. Morrissey | 25 | Daughter | — | Iowa |
| 7 | James H. Vincent | 35 | Head | Farmer | Iowa |
| 8 | Ethel M. Vincent | 34 | Wife-H | — | Iowa |
| 9 | Dean H. Vincent | 12 | Son | — | Iowa |
| 10 | Asis L. Vincent | 10 | Son | — | Iowa |
| 11 | Aileen E. Vincent | 7 | Daughter | — | Iowa |
| 12 | Lewis G. Krutinger | 73 | Head | Farmer | Iowa |
| 13 | Ruth G. Krutinger | 66 | Wife-H | — | Iowa |
| 14 | Roy B. Krutinger | 23 | Son | Farm Laborer | Iowa |
| 15 | Idora R. Appers | 10 | Granddaughter | — | Iowa |
| 16 | Adaline V. Appers | 8 | Granddaughter | — | Iowa |
| 17 | James Appers | 6 | Grandson | — | Iowa |
| 18 | Smith D. Krutinger | 41 | Head | Farmer | Iowa |
| 19 | Pearl Krutinger | 37 | Wife-H | — | Kansas |
| 20 | Thelma A. Krutinger | 15 | Daughter | — | Iowa |
| 21 | Earl W. Krutinger | 14 | Son | — | Iowa |
| 22 | Lillian S. Krutinger | 2 | Daughter | — | Iowa |
| 23 | Maria Isrington | 75 | Head | Farmer | England |
| 24 | Arthur Isrington | 50 | Son | Farm Laborer | Iowa |
| 25 | Perry R. Robinson | 46 | R | Farmer | Iowa |
| 26 | Mabel K. Robinson | 37 | Wife-H | — | Iowa |
| 27 | Henry E. Robinson THIS PERSON | 9 | Son | — | Iowa |
| 28 | Gerald J. Robinson | 6 | Son | — | Iowa |
| 29 | John L. Hamilton | 46 | O | Farmer | Iowa |
| 30 | Maude M. Hamilton | 43 | Wife-H | — | Iowa |
| 31 | John M. Hamilton | 20 | Son | Farm Laborer | Iowa |
| 32 | Stanley H. Hamilton | 17 | Son | — | Iowa |
| 33 | Frances M. Hamilton | 15 | Daughter | — | Iowa |
| 34 | James E. Hamilton | 14 | Son | — | Iowa |
| 35 | Lester L. Hamilton | 12 | Son | — | Iowa |
| 36 | William H. Hamilton | 10 | Son | — | Iowa |
| 37 | Elizabeth M. Hamilton | 8 | Daughter | — | Iowa |
| 38 | Mary J. Hamilton | 6 | Daughter | — | Iowa |
| 39 | Burke A. Hamilton | 4 | Son | — | Iowa |
| 40 | Dexter A. Mcdougall | 48 | O | Farmer | Iowa |
| 41 | Lula B. Mcdougall | 48 | Wife-H | — | Iowa |
| 42 | Clement J. Mcdougall | 21 | Son | Farm Laborer | Iowa |
| 43 | Opal E. Rossell | 22 | Boarder | Teacher | Montana |
| 44 | Alice L. Sigler | 46 | Head | Farmer | Iowa |
| 45 | Leona M. Sigler | 50 | Wife-H | — | Iowa |
| 46 | Velma M. Sigler | 18 | Daughter | — | Iowa |
| 47 | Leora B. Sigler | 16 | Daughter | — | Iowa |
| 48 | Lila L. Sigler | 16 | Daughter | — | Iowa |
| 49 | Junia A. Sigler | 5 | Daughter | — | Iowa |
| 50 | James R. Eelwood | 36 | O | Farmer | Missouri |
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)