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Margaret Thompson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Hamilton, Iowa
Our Model Tree links this Margaret Thompson across the 1920 and 1930 US Censuses in Hamilton, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 10-person household.
Age 16
b. ~1914
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hamilton, Iowa |
| Surname | Thompson |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Lincoln Township |
| Est. Birth Year | ~1914 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Ruth Thompson | Daughter | — | 20 | ~1910 |
| Sylvia Thompson | Daughter | — | 41 | ~1889 |
| Margaret Thompson | Daughter | — | 16 | ~1914 |
| Omae Thompson | Daughter | — | 39 | ~1891 |
| John Thompson | Head | — | 68 | ~1862 |
| Harold Thompson | Son | — | 29 | ~1901 |
| Millray Thompson | Son | — | 23 | ~1907 |
| Roy Thompson | Son | — | 27 | ~1903 |
| James Thompson | Son | — | 33 | ~1897 |
| Margaret Thompson | Spouse | — | 60 | ~1870 |
Census Appearances
1920
Hamilton, Iowa
Daughter, age 6
Hamilton, Iowa · implied b. ~1914 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Margaret F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Hamilton, Iowa
Daughter, age 16
Hamilton, Iowa · implied b. ~1914 — 10 household members
| Surname | Thompson |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| 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 Margaret Thompson across 2 US Census years (1920 and 1930) in Hamilton, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Thompson
Daughter · 1930 · age 16 · b. ~1914 · Iowa
★ You are viewing this record
Sibling
Omae Thompson
Sibling · 1930 · age 39
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Thompson
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sylvia Thompson
Sibling · 1930 · age 41
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Thompson
Sibling · 1930 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Millray Thompson
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Thompson
Sibling · 1930 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Thompson
Sibling · 1930 · age 27
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:iowacensus00reel657:0456)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ansel Mortvedt | 18 | Boarder | Laborer | Iowa |
| 2 | Bertina Holt | 52 | Head | — | Norway |
| 3 | Bergloit A. Holt | 20 | Daughter | — | Iowa |
| 4 | Manville Holt | 18 | Son | — | Iowa |
| 5 | Sigvold Holt | 16 | Son | — | Iowa |
| 6 | Marguerite Holt | 13 | Daughter | — | Iowa |
| 7 | Elefance Holt | 10 | Son | — | Iowa |
| 8 | Iver Vallem | 51 | Head | Farmer | Iowa |
| 9 | Ellen Vallem | 45 | Wife | — | Iowa |
| 10 | Marguerite Vallem | 21 | Daughter | — | Iowa |
| 11 | Infant Vallem | 18 | Son | Laborer | Iowa |
| 12 | Ardythe Vallem | 16 | Daughter | — | Iowa |
| 13 | John Thompson | 68 | Head | Farmer | Illinois |
| 14 | Margaret Thompson | 60 | Wife | — | Illinois |
| 15 | Sylvia Thompson | 41 | Daughter | Clerk | Iowa |
| 16 | Omae Thompson | 39 | Daughter | — | Iowa |
| 17 | James A. Thompson | 33 | Son | — | Iowa |
| 18 | Harold Thompson | 29 | Son | Clerk | Iowa |
| 19 | Millray Thompson | 23 | Son | Laborer | Iowa |
| 20 | Ruth A. Thompson | 20 | Daughter | — | Iowa |
| 21 | Margaret Thompson THIS PERSON | 16 | Daughter | — | Iowa |
| 22 | Roy Thompson | 27 | Son | Laborer | Iowa |
| 23 | Thomas Thompson | 37 | Head | Farmer | Iowa |
| 24 | Mamie Thompson | 38 | Wife | — | Iowa |
| 25 | Thora Thompson | 6 | Daughter | — | Iowa |
| 26 | Muriel Thompson | 5 | Daughter | — | Iowa |
| 27 | Robert Thompson | 3 | Son | — | Iowa |
| 28 | Arthur Svenum | 36 | Head | Farmer | Iowa |
| 29 | Rhina Svenum | 31 | Wife | — | Iowa |
| 30 | Lavona Svenum | 4 | Daughter | — | Iowa |
| 31 | Arthur Svenum | 2 | Daughter | — | Iowa |
| 32 | Richard Svenum | 15 | Brother | Laborer | Iowa |
| 33 | Alfred Nereim | 25 | Head | Farmer | Iowa |
| 34 | Bernetta Nereim | 24 | Wife | — | Iowa |
| 35 | Arline Nereim | 6 | Daughter | — | Iowa |
| 36 | Vivian Nereim | 1 | Daughter | — | Iowa |
| 37 | Hakon Torgerson | 17 | Boarder | Laborer | Norway |
| 38 | George O. Prescott | 57 | Head | Farmer | Norway |
| 39 | Dora Prescott | 46 | Wife | — | Norway |
| 40 | Nelda Prescott | 18 | Daughter | — | Iowa |
| 41 | Gertrude Prescott | 12 | Daughter | — | Iowa |
| 42 | Dorothy Prescott | 10 | Daughter | — | Iowa |
| 43 | Edward Prescott | 8 | Son | — | Iowa |
| 44 | James Rae | 24 | Head | Laborer | Iowa |
| 45 | Audrey Rae | 22 | Wife | — | Iowa |
| 46 | Betty Rae | 2 | Daughter | — | Iowa |
| 47 | A. G. Twedt | 41 | Head | Farmer | Iowa |
| 48 | Sadie Twedt | 40 | Wife | — | Illinois |
| 49 | Gerald Twedt | 14 | Son | — | Iowa |
| 50 | Beryl Twedt | 12 | Daughter | — | Iowa |
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)