AS
Andrew Smith — 1930 US Census Record
Model Tree available1930 United States Federal Census · Hamilton, Iowa
Our Model Tree links this Andrew Smith across the 1910, 1920 and 1930 US Censuses in Hamilton, Iowa (XGBoost, ~Confirmed), with identified parents Peter & Peter — first a son (b.~1909), then head of a 7-person household.
Age 21
b. ~1909
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hamilton, Iowa |
| Surname | Smith |
| Given Name | Andrew |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | laborer |
| Industry | gen farm |
| Class of Worker | VOVV |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Williams Township |
| Est. Birth Year | ~1909 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Andrew | Age | Birth yr |
|---|---|---|---|---|
| Peter Smith | Head | — | 68 | ~1862 |
| Andrew Smith | Other | — | 68 | ~1862 |
| Andrew Smith | Son | — | 21 | ~1909 |
| Ronald Smith | Son | — | 15 | ~1915 |
| Peter Smith | Son | — | 13 | ~1917 |
| Ulain Smith | Son | — | 17 | ~1913 |
| Nellie Smith | Spouse | — | 58 | ~1872 |
Census Appearances
1910
Hamilton, Iowa
Son, age 3
Hamilton, Iowa · implied b. ~1907 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Andrew |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Illinois |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Hamilton, Iowa
Son, age 11
Hamilton, Iowa · implied b. ~1909 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Andrew |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| 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
Son, age 21
Hamilton, Iowa · implied b. ~1909 — 7 household members
| Surname | Smith |
| Given Name | Andrew |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Illinois |
| Occupation | laborer |
| Industry | gen farm |
| Class of Worker | VOVV |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Andrew Smith across 3 US Census years (1910, 1920 and 1930) in Hamilton, Iowa, using XGBoost record linkage. Identified parents: father Peter Smith (~0.92 confidence) and father Peter Smith (~0.92 confidence) and father E Smith (~0.92 confidence) and mother Nellie Smith (~0.92 confidence) and mother Nellie Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Smith
b. ~1854
Source father
● Household
· direct · ~0.92
Father
Peter Smith
b. ~1862
Source father
● Household
· direct · ~0.92
Father
E Smith
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Nellie Smith
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Nellie Smith
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Andrew Smith
Son · 1930 · age 21 · b. ~1909 · Iowa
★ You are viewing this record
Sibling
Ulain Smith
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Smith
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ronald Smith
Sibling · 1930 · age 15
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:iowacensus00reel657:0585)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Rudie Aukland | 19 | son | Laborer | Iowa |
| 52 | Peter Aukland | 48 | head | Farmer | Norway |
| 53 | Olaf Hamrick | 36 | head | Farmer | Norway |
| 54 | Gudrun T. Hamrick | 36 | wife | Housekeeper | Norway |
| 55 | Gordon Hamrick | 13 | son | None | Minnesota |
| 56 | Clifford Hamrick | 11 | son | None | South Dakota |
| 57 | Sven Hegland | 39 | head | Farmer | Norway |
| 58 | Caroline Hegland | 41 | wife | None | Norway |
| 59 | Muriel T. Hegland | 3 | daughter | None | Iowa |
| 60 | Ulysses Dose | 46 | head | Farmer | Kentucky |
| 61 | Daisy J. Dose | 42 | wife | None | Kentucky |
| 62 | Brent Dose | 21 | son | Laborer | Kentucky |
| 63 | Albert Dose | 17 | son | Laborer | Illinois |
| 64 | Hazel Dose | 16 | daughter | None | Iowa |
| 65 | Johnie Dose | 12 | son | None | Iowa |
| 66 | Ray Dose | 11 | son | None | Iowa |
| 67 | Mary Dose | 8 | daughter | None | Iowa |
| 68 | Evelyn Dose | 3 | daughter | None | Iowa |
| 69 | Everett Dose | 2 | son | None | Iowa |
| 70 | Edward S. Hornstein | 22 | head | Farmer | Iowa |
| 71 | Birdie I. Hornstein | 26 | wife | None | Iowa |
| 72 | William V. Smith | 44 | head | Farmer | Illinois |
| 73 | May E. Smith | 42 | wife | None | Iowa |
| 74 | Clement W. Smith | 15 | son | None | Iowa |
| 75 | Virginia M. Smith | 7 | daughter | None | Iowa |
| 76 | Harriet J. Smith | 3 | daughter | None | Iowa |
| 77 | Ray B. Maubach | 33 | head | Farmer | Illinois |
| 78 | Catherine L. Maubach | 31 | wife | None | Iowa |
| 79 | John B. Maubach | 2 | son | None | Iowa |
| 80 | Shirley A. Maubach | 1 | daughter | None | Iowa |
| 81 | Marjorie L. Maubach | 0 | daughter | None | Iowa |
| 82 | Edward J. Nelson | 43 | head | Farmer | Iowa |
| 83 | Olive W. Nelson | 43 | wife | None | Iowa |
| 84 | George L. Nelson | 17 | son | None | Iowa |
| 85 | Melvin J. Nelson | 14 | nephew | None | Iowa |
| 86 | Leo J. Rychel | 62 | hired man | Laborer | Michigan |
| 87 | Peter C. Smith | 68 | head | Farmer | Wisconsin |
| 88 | Nellie Smith | 58 | wife | None | Illinois |
| 89 | Andrew Smith THIS PERSON | 21 | son | Laborer | Iowa |
| 90 | Ulain Smith | 17 | son | Laborer | Iowa |
| 91 | Ronald Smith | 15 | son | None | Iowa |
| 92 | Peter Smith | 13 | son | None | Iowa |
| 93 | Andrew Smith | 68 | brother | None | Wisconsin |
| 94 | Frank D. Smith | 30 | head | Farmer | Iowa |
| 95 | Bessie M. Smith | 24 | wife | None | Iowa |
| 96 | Lois M. Smith | 5 | daughter | None | Iowa |
| 97 | Jean M. Smith | 5 | daughter | None | Iowa |
| 98 | Bernice R. Smith | 2 | daughter | None | Iowa |
| 99 | — | None | — | — | — |
| 100 | — | None | — | — | — |
Related Census Records
Pedigree Summary
Andrew + 3 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)