PS
Philip Smith — 1930 US Census Record
Model Tree available1930 United States Federal Census · Polk, Iowa
Our Model Tree links this Philip Smith across the 1920, 1930 and 1940 US Censuses in Polk, Iowa (XGBoost, ~Confirmed), with identified parents Maude & Le — first a son (b.~1919), then head of a 4-person household.
Age 11
b. ~1919
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | Smith |
| Given Name | Philip |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | New York |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1919 |
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 Philip | Age | Birth yr |
|---|---|---|---|---|
| Philip Smith | Son | — | 11 | ~1919 |
| Le Smith | Head | — | 43 | ~1887 |
| Deane Smith | Son | — | 13 | ~1917 |
| Maude Smith | Spouse | — | 44 | ~1886 |
Census Appearances
1920
Polk, Iowa
Son, age 1
Polk, Iowa · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Phillip B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | New York |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Son, age 11
Polk, Iowa · implied b. ~1919 — 4 household members
| Surname | Smith |
| Given Name | Philip |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | New York |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Son, age 21
Polk-County, Iowa · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Phillip |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Highest Grade | C-1 |
| 1935 Residence | Same place |
| 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 Philip Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Maude Smith (~0.92 confidence) and father Le Smith (~0.92 confidence) and father Lee Smith (~0.92 confidence) and father Millard Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Maude Smith
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
Le Smith
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Lee Smith
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Millard Smith
b. ~1887
Source father
● Household
· direct · ~0.92
This person
Anchor record
Philip Smith
Son · 1930 · age 11 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Deane Smith
Sibling · 1930 · age 13
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:iowacensus00reel677:0085)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Oscar Nielander | 37 | Head | Engraver | Denmark |
| 2 | Margaret Nielander | 37 | Wife | — | Iowa |
| 3 | William Nielander | 10 | Daughter | — | Iowa |
| 4 | Lloyd Nielander | 8 | Son | — | Iowa |
| 5 | Helen Nielander | 4 | Daughter | — | Iowa |
| 6 | Virginia Nielander | 2 | Daughter | — | Iowa |
| 7 | Harry Hamilton | 29 | Head | Electrician | Illinois |
| 8 | Louise Hamilton | 20 | Wife | — | Iowa |
| 9 | Junior Hamilton | 2 | Son | — | Iowa |
| 10 | Albert Rodine | 59 | Head | Miner | Sweden |
| 11 | Inez Rodine | 29 | Daughter | — | Iowa |
| 12 | Ethel Engstrom | 37 | Lodger | Clerk | Iowa |
| 13 | Elmer H. Borg | 27 | Head | Mechanical Architect | Iowa |
| 14 | Irene Borg | 37 | Wife | — | Iowa |
| 15 | Joseph Borg | 13 | Son | — | Iowa |
| 16 | Jack Borg | 11 | Son | — | Iowa |
| 17 | Mary Lou Borg | 7 | Daughter | — | Iowa |
| 18 | Ray E. Treloar | 34 | Head | Truck Driver | Iowa |
| 19 | Mildred Treloar | 29 | Wife | — | Iowa |
| 20 | Le Ray Smith | 43 | Head | Accountant | New York |
| 21 | Maude Smith | 44 | Wife | — | Iowa |
| 22 | Deane Smith | 13 | Son | — | Iowa |
| 23 | Philip Smith THIS PERSON | 11 | Son | — | Iowa |
| 24 | Laverne Hamborg | 31 | Head | Salesman | Iowa |
| 25 | Andrea Hamborg | 29 | Wife | — | Iowa |
| 26 | Constant Hamborg | 3 | Son | — | Iowa |
| 27 | Fred Englund | 24 | Head | Salesman | Iowa |
| 28 | Irene Englund | 22 | Wife | — | Iowa |
| 29 | Ernest Johnson | 35 | Head | Electrician | Sweden |
| 30 | Ruth Johnson | 26 | Wife | — | Iowa |
| 31 | Kurt Johnson | 2 | Son | — | Iowa |
| 32 | Inez Johnson | 0 | Daughter | — | Iowa |
| 33 | P. H. Dagilis | 59 | Head | Miner | Lithuania |
| 34 | Mary Dagilis | 59 | Wife | — | Lithuania |
| 35 | Olaf Dagilis | 26 | Daughter | — | Lithuania |
| 36 | Andrew P. Olla | 46 | Head | Clerk | Lithuania |
| 37 | Anna Olla | 41 | Wife | — | Lithuania |
| 38 | Thomas Olla | 21 | Son | Fireman | Iowa |
| 39 | Victor Olla | 18 | Son | Machinist | Iowa |
| 40 | Harry Humeston | 40 | Head | Salesman | Iowa |
| 41 | Pearl Humeston | 39 | Wife | — | Iowa |
| 42 | Jack Humeston | 18 | Son | — | Iowa |
| 43 | Helen Humeston | 15 | Daughter | — | Iowa |
| 44 | Mary De Volt | 14 | Lodger | — | Iowa |
| 45 | Niels Jensen | 30 | Head | Mechanic | Denmark |
| 46 | Edith Jensen | 32 | Wife | — | Denmark |
| 47 | Ruth Jensen | 6 | Daughter | — | Iowa |
| 48 | Theron Strait | 31 | Head | Proprietor | Iowa |
| 49 | Corrine Strait | 21 | Wife | Knitter | Iowa |
| 50 | Louis Strait | 31 | Head | Fireman | Iowa |
Related Census Records
Pedigree Summary
Philip + 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)