HC
Helen Carlson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Boone, Iowa
Our Model Tree links this Helen Carlson across the 1920 and 1930 US Censuses in Boone, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1908), then head of a 12-person household.
Age 22
b. ~1908
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Boone, Iowa |
| Surname | Carlson |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Ogden Town Part Of |
| Est. Birth Year | ~1908 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Burton Carlson | Son | — | 17 | ~1913 |
| Luke Carlson | Son | — | 3 | ~1927 |
| Selma Carlson | Other | — | 46 | ~1884 |
| Rowland Carlson | Son | — | 11 | ~1919 |
| Helen Carlson | Daughter | — | 22 | ~1908 |
| Wayne Carlson | Son | — | 13 | ~1917 |
| Haven Carlson | Son | — | 14 | ~1916 |
| Eric Carlson | Head | — | 53 | ~1877 |
| Jane Carlson | Daughter | — | 19 | ~1911 |
| Richard Carlson | Son | — | 16 | ~1914 |
| Merle Carlson | Son | — | 7 | ~1923 |
| Eunice Carlson | Daughter | — | 9 | ~1921 |
Census Appearances
1920
Boone, Iowa
Daughter, age 12
Boone, Iowa · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Boone, Iowa
Daughter, age 22
Boone, Iowa · implied b. ~1908 — 12 household members
| Surname | Carlson |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| 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 Helen Carlson across 2 US Census years (1920 and 1930) in Boone, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Carlson
Daughter · 1930 · age 22 · b. ~1908 · Iowa
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Sibling
Richard Carlson
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Merle Carlson
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wayne Carlson
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Haven Carlson
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Luke Carlson
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Carlson
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rowland Carlson
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eunice Carlson
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Burton Carlson
Sibling · 1930 · age 17
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 — Boone, Iowa
Open full size
1930 US Federal Census — Boone, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel644:0025)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | James Wingfield | 85 | Father | None | Indiana |
| 52 | Hannah Anderson | 50 | Head | None | Iowa |
| 53 | Luther Anderson | 18 | son | None | Iowa |
| 54 | Andrew Johnston | 62 | Head | Miner | Scotland |
| 55 | Rachel Johnston | 51 | wife-H | None | England |
| 56 | Margaret Johnston | 21 | daughter | None | Iowa |
| 57 | Eugene Johnston | 16 | son | None | Iowa |
| 58 | Gerald Johnston | 13 | son | None | Iowa |
| 59 | Elizabeth Mansfield | 79 | Head | None | Illinois |
| 60 | John L. Mansfield | 46 | son | Salesman | Illinois |
| 61 | Helen Gebhard | 59 | servant | Housekeeper | Illinois |
| 62 | Walter M. Rosen | 49 | Head | President | Iowa |
| 63 | Freda Rosen | 50 | wife-H | None | Sweden |
| 64 | Thelma Rosen | 22 | daughter | Teacher | Iowa |
| 65 | Walter Jr. Rosen | 17 | son | None | Iowa |
| 66 | Betty Nylander | 82 | Head | None | Sweden |
| 67 | Agina Nylander | 54 | daughter | None | Michigan |
| 68 | Fred Nylander | 51 | son | Salesman | Iowa |
| 69 | Hanna Nornholm | 46 | Head | None | Iowa |
| 70 | Regina Nornholm | 24 | daughter | Saleslady | Iowa |
| 71 | Aloria Nornholm | 15 | son | None | Iowa |
| 72 | Andrew W. Peterson | 47 | lodger | Highway Foreman | Iowa |
| 73 | Margaret Mcelroy | 52 | Head | None | Iowa |
| 74 | G. Henning Erickson | 30 | Head | Minister | Minnesota |
| 75 | Lillian Erickson | 25 | wife-H | None | Iowa |
| 76 | Violet Erickson | 3 | daughter | None | Kansas |
| 77 | Aileen Erickson | 0 | daughter | None | Iowa |
| 78 | William H. Crossman | 57 | Head | None | Illinois |
| 79 | Rose Crossman | 58 | wife-H | None | Illinois |
| 80 | Eric G. Carlson | 53 | Head | Proprietor | Sweden |
| 81 | Selma Carlson | 46 | wife-H | None | Sweden |
| 82 | Helen Carlson THIS PERSON | 22 | daughter | None | Iowa |
| 83 | Jane Carlson | 19 | daughter | None | Iowa |
| 84 | Burton Carlson | 17 | son | None | Iowa |
| 85 | Richard Carlson | 16 | son | None | Iowa |
| 86 | Haven Carlson | 14 | son | None | Iowa |
| 87 | Wayne Carlson | 13 | son | None | Iowa |
| 88 | Rowland Carlson | 11 | son | None | Iowa |
| 89 | Eunice Carlson | 9 | daughter | None | Iowa |
| 90 | Merle Carlson | 7 | son | None | Iowa |
| 91 | Luke Carlson | 3 | son | None | Iowa |
| 92 | Mary Bergstrom | 85 | Head | None | Sweden |
| 93 | Ida Bergstrom | 57 | daughter | None | Iowa |
| 94 | Selma Bergstrom | 53 | daughter | None | Iowa |
| 95 | George R. Meehan | 28 | Head | Dentist | Iowa |
| 96 | Rosa Meehan | 30 | wife-H | None | Iowa |
| 97 | Kathryn Skinner | 20 | roomer | Teacher | Iowa |
| 98 | Bettie E. Hedstrom | 86 | Head | None | Sweden |
| 99 | Anna Hedstrom | 59 | daughter | None | Iowa |
| 100 | Luvanchia Earll | 77 | Head | None | New York |
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)