RL
Robert Larson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Polk, Iowa
Our Model Tree links this Robert Larson across the 1920 and 1930 US Censuses in Polk, Iowa (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 9-person household.
Age 12
b. ~1918
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | Larson |
| Given Name | Robert M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Lincoln Township |
| Est. Birth Year | ~1918 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Larson | Daughter | — | 10 | ~1920 |
| Katherine Larson | Daughter | — | 6 | ~1924 |
| Lucille Larson | Daughter | — | 3 | ~1927 |
| Edmond Larson | Son | — | 3 | ~1927 |
| Robert Larson | Son | — | 12 | ~1918 |
| Isabell Larson | Spouse | — | 37 | ~1893 |
| Inez Larson | Daughter | — | 15 | ~1915 |
| Lewis Larson | Head | — | 45 | ~1885 |
| Melvin Luckas | Other | — | 16 | ~1914 |
Census Appearances
1920
Polk, Iowa
Son, age 2
Polk, Iowa · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Son, age 12
Polk, Iowa · implied b. ~1918 — 9 household members
| Surname | Larson |
| Given Name | Robert M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| 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 Robert Larson across 2 US Census years (1920 and 1930) in Polk, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Larson
Son · 1930 · age 12 · b. ~1918 · Iowa
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Sibling
Dorothy Larson
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Larson
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Larson
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Inez Larson
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edmond Larson
Sibling · 1930 · age 3
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 — Polk, Iowa
Open full size
1930 US Federal Census — Polk, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel678:0245)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Chas. F. Mee | 38 | Head | Farmer | Iowa |
| 2 | Lillie C. Mee | 33 | Wife | — | Iowa |
| 3 | Donald M. Mee | 3 | Son | — | Iowa |
| 4 | Lewis L. Larson | 45 | Head | Farmer | Iowa |
| 5 | Isabell Larson | 37 | Wife | — | Iowa |
| 6 | Inez L. Larson | 15 | Daughter | — | Iowa |
| 7 | Robert M. Larson THIS PERSON | 12 | Son | — | Iowa |
| 8 | Dorothy M. Larson | 10 | Daughter | — | Iowa |
| 9 | Katherine J. Larson | 6 | Daughter | — | Iowa |
| 10 | Edmond L. Larson | 3 | Son | — | Iowa |
| 11 | Lucille E. Larson | 3 | Daughter | — | Iowa |
| 12 | Melvin Luckas | 16 | Servant | Farm Laborer | Iowa |
| 13 | William Donaghy | 62 | Head | Farmer | Northern Ireland |
| 14 | Mary Donaghy | 60 | Wife | — | Iowa |
| 15 | Thomas S. Donaghy | 40 | Son | Farm Laborer | Iowa |
| 16 | Mary E. Donaghy | 39 | Daughter | — | Iowa |
| 17 | John J. Donaghy | 32 | Son | Farm Laborer | Iowa |
| 18 | Abbie F. Donaghy | 27 | Daughter | — | Iowa |
| 19 | Emma R. Donaghy | 25 | Daughter | — | Iowa |
| 20 | Benjamin J. Donaghy | 23 | Son | Farm Laborer | Iowa |
| 21 | Lillian L. Donaghy | 20 | Daughter | — | Iowa |
| 22 | Ruth G. Donaghy | 19 | Daughter | — | Iowa |
| 23 | Edward A. Hall | 69 | Head | Salesman | Pennsylvania |
| 24 | Kate E. Hall | 63 | Wife | — | Indiana |
| 25 | Anna M. Spahr | 43 | Head | Farmer | Iowa |
| 26 | Lester W. Spahr | 21 | Son | Farm Laborer | Iowa |
| 27 | Rollo A. Spahr | 18 | Son | Farm Laborer | Iowa |
| 28 | James O. Hildreth | 32 | Head | Farmer | Iowa |
| 29 | Alma S. Hildreth | 32 | Wife | — | Iowa |
| 30 | Herman L. Hildreth | 11 | Son | — | Iowa |
| 31 | Geraldine M. Hildreth | 10 | Daughter | — | Iowa |
| 32 | Mabel F. Hildreth | 9 | Daughter | — | Iowa |
| 33 | John L. Abuhl | 41 | Head | Farmer | Iowa |
| 34 | Mary H. Abuhl | 39 | Wife | — | Iowa |
| 35 | Irma M. Abuhl | 19 | Daughter | — | Iowa |
| 36 | Ellis W. Abuhl | 17 | Son | Farm Laborer | Iowa |
| 37 | Esma L. Abuhl | 16 | Daughter | — | Iowa |
| 38 | Pauline L. Abuhl | 15 | Daughter | — | Iowa |
| 39 | Loren J. Abuhl | 12 | Son | — | Iowa |
| 40 | Albert L. Abuhl | 10 | Son | — | Iowa |
| 41 | Ruth E. Abuhl | 6 | Daughter | — | Iowa |
| 42 | John Donaghy | 35 | Head | Farmer | Iowa |
| 43 | Alma G. Donaghy | 28 | Wife | — | Iowa |
| 44 | Dorothy M. Donaghy | 4 | Daughter | — | Iowa |
| 45 | Arthur S. Ringenberg | 39 | Head | Farmer | Iowa |
| 46 | Anna B. Ringenberg | 32 | Wife | — | Iowa |
| 47 | Ruth M. Ringenberg | 11 | Daughter | — | Iowa |
| 48 | Robert P. Ringenberg | 9 | Son | — | Iowa |
| 49 | Rolla R. Parmenter | 24 | Servant | Farm Laborer | Iowa |
| 50 | — | None | — | — | — |
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)