HL
Helen Lewis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Buena Vista, Iowa
Our Model Tree links this Helen Lewis across the 1910, 1920 and 1930 US Censuses in Buena Vista, Iowa (XGBoost, ~Confirmed), with identified parents Geo & George — first a daughter (b.~1908), then head of a 5-person household.
Age 22
b. ~1908
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Buena Vista, Iowa |
| Surname | Lewis |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Waitress |
| Industry | Cafe |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Waitress |
| Township / Ward | Storm Lake City |
| Est. Birth Year | ~1908 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Lewis | Daughter | — | 22 | ~1908 |
| Geo Lewis | Head | — | 47 | ~1883 |
| Mary Lewis | Other | — | 72 | ~1858 |
| Robert Lewis | Son | — | 4 | ~1926 |
| Maude Lewis | Spouse | — | 46 | ~1884 |
Census Appearances
1910
Buena Vista, …
Daughter, age 2
Buena Vista, Iowa · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| 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 |
1920
Buena Vista, …
Daughter, age 12
Buena Vista, Iowa · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Helen M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| 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
Buena Vista, …
Daughter, age 22
Buena Vista, Iowa · implied b. ~1908 — 5 household members
| Surname | Lewis |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Waitress |
| Industry | Cafe |
| 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 Helen Lewis across 3 US Census years (1910, 1920 and 1930) in Buena Vista, Iowa, using XGBoost record linkage. Identified parents: father Geo Lewis (~0.92 confidence) and father George Lewis (~0.92 confidence) and father George Lewis (~0.92 confidence) and mother Maude Lewis (~0.92 confidence) and mother Sarah Lewis (~0.92 confidence) and mother Maud Lewis (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Geo Lewis
b. ~1883
Source father
● Household
· direct · ~0.92
Father
George Lewis
b. ~1883
Source father
● Household
· direct · ~0.92
Father
George Lewis
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Maude Lewis
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Sarah Lewis
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Maud Lewis
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Lewis
Daughter · 1930 · age 22 · b. ~1908 · Iowa
★ You are viewing this record
Sibling
Robert Lewis
Sibling · 1930 · age 4
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 — Buena Vista, Iowa
Open full size
1930 US Federal Census — Buena Vista, Iowa
Page Contents
49 people indexed on this census page (ia:1930:iowacensus00reel645:0314)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Emma Sundquist | 66 | Head | Janitor | Sweden |
| 52 | Gust Sundquist | 50 | Brother | Deliveryman | Sweden |
| 53 | Henry G. Moore | 87 | Head | Retired | Pennsylvania |
| 54 | Helen Moore | 76 | Wife | — | New York |
| 55 | W. H. Foster | 74 | Head | Retired | Illinois |
| 56 | Mattie A. Foster | 77 | Wife | — | Illinois |
| 57 | Robert Cullen | 31 | Head | Barber | Iowa |
| 58 | Odessa Cullen | 28 | Wife | — | Iowa |
| 59 | James Butler | 57 | Head | Farmer | Unknown |
| 60 | Elisa Butler | 55 | Sister | — | Unknown |
| 61 | Annie Butler | 52 | Sister | — | Unknown |
| 62 | Henry Matthies | 75 | Head | Retired | Germany |
| 63 | Harry Tryon | 33 | Lodger | Evangelist | Kansas |
| 64 | Dorothy Tryon | 17 | Lodger | — | Kansas |
| 65 | H. R. Trichard | 39 | Head | Manager | Iowa |
| 66 | Sina Trichard | 44 | Wife | — | Minnesota |
| 67 | Patricia Trichard | 13 | Daughter | — | Minnesota |
| 68 | Marguerite Trichard | 9 | Daughter | — | Iowa |
| 69 | Dorothea Trichard | 6 | Daughter | — | Iowa |
| 70 | Anita Mae Trichard | 5 | Daughter | — | Iowa |
| 71 | Young Evelyn Trichard | 9 | Niece | — | Minnesota |
| 72 | Geo. Lewis | 47 | Head | Chauffeur | Iowa |
| 73 | Maude Lewis | 46 | Wife | Milliner | Iowa |
| 74 | Helen Lewis THIS PERSON | 22 | Daughter | Waitress | Iowa |
| 75 | Robert Lewis | 4 | Son | — | Iowa |
| 76 | Mary Lewis | 72 | Mother | — | Illinois |
| 77 | Arthur Le May | 50 | Head | Janitor | Illinois |
| 78 | Francis Le May | 51 | Wife | — | Iowa |
| 79 | Harold Le May | 18 | Son | Clerk | Iowa |
| 80 | Leo Le May | 22 | Son | Laborer | Iowa |
| 81 | Lawrence Conway | 21 | Roomer | Employee | Michigan |
| 82 | Christine Peterson | 64 | Head | Seamstress | Denmark |
| 83 | Harry A. Peterson | 30 | Son | Mechanic | Iowa |
| 84 | D. H. Sundeen | 36 | Head | Proprietor | Iowa |
| 85 | Linda Sundeen | 30 | Wife | — | Iowa |
| 86 | Roland Sundeen | 8 | Son | — | Minnesota |
| 87 | Gordon Sundeen | 3 | Son | — | Iowa |
| 88 | Louis E. Phillips | 42 | Head | Receiver | Iowa |
| 89 | Blanche Phillips | 45 | Wife | — | Iowa |
| 90 | Russell Wood | 28 | Son-in-law | Laborer | Iowa |
| 91 | Helen Wood | 24 | Daughter | Laborer | Iowa |
| 92 | Eugene Wood | 5 | Grandson | — | Iowa |
| 93 | Hannah Stockburger | 83 | Grandmother | — | Illinois |
| 94 | Ed M. Wilson | 53 | Head | Retired | Illinois |
| 95 | Frank Wilson | 47 | Brother | Retired | Iowa |
| 96 | Geo. Daniels | 57 | Head | Agent | Kansas |
| 97 | Maude Daniels | 51 | Wife | — | Iowa |
| 98 | Clayton Daniels | 20 | Son | — | Iowa |
| 99 | Ruth Daniels | 10 | Daughter | — | Iowa |
Pedigree Summary
Helen + 1 sibling
Gen 1 · 6 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)