RS
Robert Smith — 1930 US Census Record
Model Tree available1930 United States Federal Census · Linn, Iowa
Our Model Tree links this Robert Smith across the 1910, 1920 and 1930 US Censuses in Linn, Iowa (XGBoost, ~Confirmed), with identified parents W & William — first a son (b.~1909), then head of a 6-person household.
Age 21
b. ~1909
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Linn, Iowa |
| Surname | Smith |
| Given Name | Robert G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Messenger |
| Industry | Cereal Mills |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Messenger |
| Township / Ward | Cedar Rapids City |
| 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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Isabelle Smith | Daughter | — | 16 | ~1914 |
| Annie Smith | Daughter | — | 14 | ~1916 |
| Sarah Smith | Head | — | 48 | ~1882 |
| Jean Smith | Son | — | 19 | ~1911 |
| Robert Smith | Son | — | 21 | ~1909 |
| John Smith | Son | — | 11 | ~1919 |
Census Appearances
1910
Linn, Iowa
Son, age 1
Linn, Iowa · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Robert B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Linn, Iowa
Son, age 11
Linn, Iowa · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Robert B. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Linn, Iowa
Son, age 21
Linn, Iowa · implied b. ~1909 — 6 household members
| Surname | Smith |
| Given Name | Robert G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Iowa |
| Occupation | Messenger |
| Industry | Cereal Mills |
| Class of Worker | W |
| 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 Smith across 3 US Census years (1910, 1920 and 1930) in Linn, Iowa, using XGBoost record linkage. Identified parents: father W Smith (~0.92 confidence) and father William Smith (~0.92 confidence) and mother Sarah Smith (~0.92 confidence) and mother Sarah Smith (~0.92 confidence) and mother Agnes Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
W Smith
b. ~1870
Source father
● Household
· direct · ~0.92
Father
William Smith
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Sarah Smith
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Sarah Smith
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Agnes Smith
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Smith
Son · 1930 · age 21 · b. ~1909 · Iowa
★ You are viewing this record
Sibling
Isabelle Smith
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Smith
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Smith
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Smith
Sibling · 1930 · age 19
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 — Linn, Iowa
Open full size
1930 US Federal Census — Linn, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel665:0415)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Daniel P. Roddy | 43 | Brother-in-law | Electric Insp. | Iowa |
| 2 | Mike Helisney | 51 | Head | Janitor | Iowa |
| 3 | Minnie Helisney | 42 | Wife-H | Janitress | Iowa |
| 4 | Minnie Helisney | 22 | Daughter | Stenographer | Iowa |
| 5 | Helen Helisney | 27 | Daughter | Bookkeeper | Iowa |
| 6 | Lucille Helisney | 23 | Daughter-in-law | Bookkeeper | Washington |
| 7 | Bernice Mcnamara | 21 | Lodger | Bookkeeper | Iowa |
| 8 | Mathias Snyder | 50 | Head | Watchman | Iowa |
| 9 | Florence Snyder | 50 | Wife-H | Bookkeeper | Delaware |
| 10 | Kenneth Snyder | 24 | Son | Time Keeper | Iowa |
| 11 | Lawrence Snyder | 19 | Son | — | Iowa |
| 12 | Archie B. Hixson | 38 | — | Salesman | Iowa |
| 13 | Pauline J. Hixson | 27 | Wife-H | — | Iowa |
| 14 | Sara Ann Hixson | 6 | Daughter | — | Iowa |
| 15 | Billy Hafjiges | 68 | Head | — | Illinois |
| 16 | Eugene E. Hafjiges | 41 | Son | Salesman | Illinois |
| 17 | Guy H. Tyson | 38 | Head | Asst. Cashier | Iowa |
| 18 | Madeline Tyson | 36 | Wife-H | — | Iowa |
| 19 | Guy Tyson | 1 | Son | — | Iowa |
| 20 | I. G. Millard | 47 | Head | Salesman | Iowa |
| 21 | Grace Millard | 48 | Wife-H | — | Iowa |
| 22 | Genevieve Millard | 18 | Daughter | Mechanic | Iowa |
| 23 | Genevieve Millard | 22 | Daughter | Saleslady | Iowa |
| 24 | Le Roy Millard | 20 | Son-in-law | Dry Cleaner | Iowa |
| 25 | Sarah L. Smith | 48 | Head | — | Scotland |
| 26 | Robert G. Smith THIS PERSON | 21 | Son | Messenger | Iowa |
| 27 | Jean H. Smith | 19 | Son | Mechanic'S Spec. | Iowa |
| 28 | Isabelle Smith | 16 | Daughter | — | Iowa |
| 29 | Annie L. Smith | 14 | Daughter | — | Iowa |
| 30 | John T. Smith | 11 | Son | — | Iowa |
| 31 | George Turecek | 57 | Head | Owner | Iowa |
| 32 | Julia Turecek | 50 | Wife-H | — | Iowa |
| 33 | George Turecek | 17 | Son | — | Iowa |
| 34 | Clara Turecek | 21 | Daughter | Stenographer | Iowa |
| 35 | Ethel Knight | 71 | Head | — | Iowa |
| 36 | Mary Knight | 47 | Daughter | — | Iowa |
| 37 | Nellie Knight | 46 | Daughter | — | Iowa |
| 38 | George Knight | 14 | Son | — | Iowa |
| 39 | William F. Vojtech | 57 | Head | Conductor | Iowa |
| 40 | Emma S. Vojtech | 55 | Wife-H | — | Iowa |
| 41 | Lillian Vojtech | 27 | Daughter | Teacher | Iowa |
| 42 | Charles H. Harmer | 67 | Head | Circulation Manager | Iowa |
| 43 | Kenneth Harmer | 35 | Son | Salesman | Iowa |
| 44 | Lucy Harmer | 36 | Daughter-in-law | Saleslady | Iowa |
| 45 | Fred Fitch | 54 | Head | Foreman | Iowa |
| 46 | Jessie Fitch | 55 | Wife-H | — | Iowa |
| 47 | Curtis Bucknell | 21 | Cousin | Field Work | Iowa |
| 48 | Jesse Howe | 43 | Head | Elec. Engineer | Illinois |
| 49 | Esther M. Howe | 36 | Wife-H | — | Nebraska |
| 50 | Jesse Howe | 11 | Son | — | Iowa |
Pedigree Summary
Robert + 4 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)