HL
Harold Lewis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Pocahontas, Iowa
Our Model Tree links this Harold Lewis across the 1910, 1920 and 1930 US Censuses in Pocahontas, Iowa (XGBoost, ~Confirmed), with identified parents E & Claude — first a son (b.~1909), then head of a 4-person household.
Age 21
b. ~1909
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Pocahontas, Iowa |
| Surname | Lewis |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Colfax 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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Marjorie Lewis | Daughter | — | 18 | ~1912 |
| Harold Lewis | Son | — | 21 | ~1909 |
| E Lewis | Head | — | 52 | ~1878 |
| Florence Lewis | Spouse | — | 49 | ~1881 |
Census Appearances
1910
Pocahontas, Iowa
Son, age 2
Pocahontas, Iowa · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Harold S. |
| 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 |
1920
Pocahontas, Iowa
Son, age 11
Pocahontas, Iowa · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Harold R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Pocahontas, Iowa
Son, age 21
Pocahontas, Iowa · implied b. ~1909 — 4 household members
| Surname | Lewis |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | VVVV |
| 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 Harold Lewis across 3 US Census years (1910, 1920 and 1930) in Pocahontas, Iowa, using XGBoost record linkage. Identified parents: father E Lewis (~0.92 confidence) and father Claude Lewis (~0.92 confidence) and father Edward Lewis (~0.92 confidence) and mother Florence Lewis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
E Lewis
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Claude Lewis
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Edward Lewis
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Florence Lewis
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Lewis
Son · 1930 · age 21 · b. ~1909 · Iowa
★ You are viewing this record
Sibling
Marjorie Lewis
Sibling · 1930 · age 18
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 — Pocahontas, Iowa
Open full size
1930 US Federal Census — Pocahontas, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel673:0115)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Melvin Peterson | 49 | Head | Farmer | Iowa |
| 2 | Edna A. Peterson | 45 | Wife | — | Illinois |
| 3 | Vivian R. Peterson | 16 | Daughter | — | Iowa |
| 4 | Maynard B. Peterson | 9 | Son | — | Iowa |
| 5 | Randall S. Peterson | 5 | Son | — | Iowa |
| 6 | Erick Axman | 25 | Lodger | Laborer | Sweden |
| 7 | Paul Wenzel | 42 | Head | Farmer | Wisconsin |
| 8 | Amanda Wenzel | 44 | Wife | — | Iowa |
| 9 | Ernest Johnson | 45 | Head | Farmer | Iowa |
| 10 | Esther Johnson | 34 | Wife | — | Iowa |
| 11 | Beulah Johnson | 1 | Daughter | — | Iowa |
| 12 | Fred Bischoff | 48 | Head | Farmer | Iowa |
| 13 | Della Bischoff | 37 | Wife | — | Iowa |
| 14 | Charles Bischoff | 18 | Son | Laborer | Iowa |
| 15 | Beulah Bischoff | 16 | Daughter | — | Iowa |
| 16 | Doris Bischoff | 11 | Daughter | — | Iowa |
| 17 | Frederic Bischoff | 5 | Son | — | Iowa |
| 18 | Mary Bischoff | 3 | Daughter | — | Iowa |
| 19 | E. D. Lewis | 52 | Head | Farmer | Iowa |
| 20 | Florence Lewis | 49 | Wife | — | Iowa |
| 21 | Harold Lewis THIS PERSON | 21 | Son | Laborer | Iowa |
| 22 | Marjorie Lewis | 18 | Daughter | — | Iowa |
| 23 | Lesley Lewis | 26 | Head | Salesman | Iowa |
| 24 | Edna Lewis | 27 | Wife | — | Iowa |
| 25 | William Lewis | 7 | Son | — | Iowa |
| 26 | Herald Lewis | 5 | Son | — | Iowa |
| 27 | Donald Lewis | 2 | Son | — | Iowa |
| 28 | Alfred G. Peterson | 50 | Head | Farmer | Iowa |
| 29 | Alma Peterson | 44 | Wife | — | Sweden |
| 30 | Oliver Peterson | 22 | Son | Laborer | Iowa |
| 31 | Harry Peterson | 21 | Son | Laborer | Iowa |
| 32 | Ray Peterson | 19 | Son | Laborer | Iowa |
| 33 | Arthur Peterson | 15 | Son | — | Iowa |
| 34 | Helen Peterson | 13 | Daughter | — | Iowa |
| 35 | William Peterson | 12 | Son | — | Iowa |
| 36 | Alice Peterson | 11 | Daughter | — | Iowa |
| 37 | Rolland Peterson | 9 | Son | — | Iowa |
| 38 | Herbert Peterson | 5 | Son | — | Iowa |
| 39 | Louise Zeiting | 54 | Head | Farmer | Iowa |
| 40 | Luella Zeiting | 22 | Wife | — | Minnesota |
| 41 | Paul Jr. Zeiting | 0 | Son | — | Iowa |
| 42 | Caroline Zeiting | 58 | Mother-in-law | — | Iowa |
| 43 | Lydia Zeiting | 36 | Daughter | — | Iowa |
| 44 | Henry Zeiting | 26 | Son | Laborer | Iowa |
| 45 | Otto Zeiting | 22 | Son | Laborer | Iowa |
| 46 | Lyda Zeiting | 18 | Daughter | — | Iowa |
| 47 | William Heidl | 36 | Head | Farmer | Iowa |
| 48 | Hannah Heidl | 30 | Wife | — | Iowa |
| 49 | Goradius Claussen | 57 | Head | Farmer | Germany |
| 50 | Annie Claussen | 54 | Wife | — | Germany |
Pedigree Summary
Harold + 1 sibling
Gen 1 · 4 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)