IT
Ida Thompson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Pottawattamie, Iowa
Our Model Tree links this Ida Thompson across the 1920 and 1930 US Censuses in Pottawattamie, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 10-person household.
Age 11
b. ~1919
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Pottawattamie, Iowa |
| Surname | Thompson |
| Given Name | Ida A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | New York |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Knox Township |
| Est. Birth Year | ~1919 |
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 Ida | Age | Birth yr |
|---|---|---|---|---|
| Ida Thompson | Daughter | — | 11 | ~1919 |
| Ruth Thompson | Daughter | — | 13 | ~1917 |
| David Thompson | Head | — | 49 | ~1881 |
| Alvena Thompson | Other | — | 46 | ~1884 |
| Charles Thompson | Son | — | 20 | ~1910 |
| Valuent Thompson | Son | — | 6 | ~1924 |
| Virgil Thompson | Son | — | 16 | ~1914 |
| Robert Thompson | Son | — | 4 | ~1926 |
| James Thompson | Son | — | 22 | ~1908 |
| Albert Thompson | Son | — | 9 | ~1921 |
Census Appearances
1920
Pottawattamie, Iowa
Daughter, age 1
Pottawattamie, Iowa · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ida E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | New York |
| Mother's Birthplace | Missouri |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Pottawattamie, Iowa
Daughter, age 11
Pottawattamie, Iowa · implied b. ~1919 — 10 household members
| Surname | Thompson |
| Given Name | Ida A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | New York |
| Mother's Birthplace | Missouri |
| 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 Ida Thompson across 2 US Census years (1920 and 1930) in Pottawattamie, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Thompson
Daughter · 1930 · age 11 · b. ~1919 · Iowa
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Sibling
James Thompson
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Thompson
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Valuent Thompson
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Thompson
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Thompson
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Thompson
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virgil Thompson
Sibling · 1930 · age 16
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 — Pottawattamie, Iowa
Open full size
1930 US Federal Census — Pottawattamie, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel678:0771)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David Thompson | 49 | Head | Laborer | New York |
| 2 | Alvena Thompson | 46 | Wife-H | — | Missouri |
| 3 | James W. Thompson | 22 | Son | Laborer | Missouri |
| 4 | Charles N. Thompson | 20 | Son | Trucker | Iowa |
| 5 | Virgil C. Thompson | 16 | Son | — | Iowa |
| 6 | Ruth P. Thompson | 13 | Daughter | — | Iowa |
| 7 | Ida A. Thompson THIS PERSON | 11 | Daughter | — | Iowa |
| 8 | Albert E. Thompson | 9 | Son | — | Iowa |
| 9 | Valuent D. Thompson | 6 | Son | — | Iowa |
| 10 | Robert F. Thompson | 4 | Son | — | Iowa |
| 11 | Emil Fischer | 43 | Head | Farmer | Germany |
| 12 | Augusta Fischer | 41 | Wife-H | — | Germany |
| 13 | Clifford W. Fischer | 19 | Son | Laborer | Iowa |
| 14 | Orvil E. Fischer | 17 | Son | Laborer | Iowa |
| 15 | Vernon C. Fischer | 14 | Son | — | Iowa |
| 16 | Lillian C. Fischer | 13 | Daughter | — | Iowa |
| 17 | Harry Sornsen | 29 | Head | Farmer | Iowa |
| 18 | Emma L. Sornsen | 30 | Wife-H | — | Iowa |
| 19 | Ronald R. Sornsen | 4 | Son | — | Iowa |
| 20 | Eugene A. Sornsen | 2 | Son | — | Iowa |
| 21 | Julius Sornsen | 34 | Brother | Farmer | Iowa |
| 22 | Less W. Taylor | 66 | Head | — | Illinois |
| 23 | Ruth M. Taylor | 54 | Wife-H | — | Iowa |
| 24 | Will H. Nierman | 36 | Head | Farmer | Iowa |
| 25 | Minnie B. Nierman | 34 | Wife-H | — | Iowa |
| 26 | Harold Weldy | 25 | Helper | Laborer | Iowa |
| 27 | W. Lester Smith | 53 | Head | Farmer | Iowa |
| 28 | Katherine A. Smith | 57 | Wife-H | — | Iowa |
| 29 | Martha E. Smith | 23 | Daughter | — | Iowa |
| 30 | Christina Paulsen | 59 | Wife's Cousin | — | Denmark |
| 31 | John C. Lueth | 48 | Head | Laborer | Germany |
| 32 | Amelia H. Lueth | 46 | Wife-H | — | Germany |
| 33 | Walter W. Lueth | 21 | Son | Marine | Iowa |
| 34 | Otto C. Lueth | 18 | Son | Farmer | Iowa |
| 35 | Wilma M. Lueth | 14 | Daughter | — | Iowa |
| 36 | Gertrude L. Lueth | 8 | Daughter | — | Iowa |
| 37 | Robert Lueth | 6 | Son | — | Iowa |
| 38 | Nels Sorensen | 67 | Head | — | Denmark |
| 39 | Cecilie Sorensen | 67 | Wife-H | — | Denmark |
| 40 | Albert O. Davis | 40 | Head | Farmer | Iowa |
| 41 | Alma A. Davis | 26 | Wife-H | — | Iowa |
| 42 | Harriet M. Davis | 8 | Daughter | — | Iowa |
| 43 | Delbert M. Davis | 7 | Son | — | Iowa |
| 44 | William Hiens | 22 | Helper | Laborer | Nebraska |
| 45 | Julius Lahl | 53 | Head | Farmer | Iowa |
| 46 | Leta G. Lahl | 59 | Sister-H | — | Iowa |
| 47 | Tillie M. Lahl | 56 | Sister | — | Iowa |
| 48 | Peter Christensen | 32 | Helper | Laborer | Denmark |
| 49 | Franz Wiemann | 28 | Head | Farmer | Holstein |
| 50 | Anne M. Wiemann | 29 | Wife-H | — | Holstein |
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)