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Ernest Martin — 1930 US Census Record
Model Tree available1930 United States Federal Census · Polk, Iowa
Our Model Tree links this Ernest Martin across the 1920, 1930 and 1940 US Censuses in Polk, Iowa (XGBoost, ~Confirmed), with identified parents Arthur & Arthur — first a son (b.~1905), then head of a 5-person household.
Age 25
b. ~1905
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | Martin |
| Given Name | Ernest E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Farm Equip. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Mechanic |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1905 |
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 Ernest | Age | Birth yr |
|---|---|---|---|---|
| Phyllis Martin | Daughter | — | 14 | ~1916 |
| Arthur Martin | Head | — | 66 | ~1864 |
| Ernest Martin | Son | — | 25 | ~1905 |
| Viretta Martin | Other | — | 58 | ~1872 |
| Mary Martin | Daughter | — | 18 | ~1912 |
Census Appearances
1920
Polk, Iowa
Son, age 14
Polk, Iowa · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ernest |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Son, age 25
Polk, Iowa · implied b. ~1905 — 5 household members
| Surname | Martin |
| Given Name | Ernest E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Occupation | Mechanic |
| Industry | Farm Equip. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Head, age 34
Polk-County, Iowa · implied b. ~1906
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Martin |
| Given Name | Earnest E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Cook |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 714 |
| Highest Grade | H 4 |
| 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 Ernest Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arthur Martin (~0.92 confidence) and father Arthur Martin (~0.92 confidence) and mother Viola Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Martin
b. ~1864
Source father
● Household
· direct · ~0.92
Father
Arthur Martin
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Viola Martin
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ernest Martin
Son · 1930 · age 25 · b. ~1905 · Iowa
★ You are viewing this record
Sibling
Phyllis Martin
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Martin
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 — Polk, Iowa
Open full size
1930 US Federal Census — Polk, Iowa
Page Contents
31 people indexed on this census page (ia:1930:iowacensus00reel673:1025)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Raymond O. Davies | 30 | Head | Dean Of Men | Illinois |
| 2 | S. Jane Davies | 29 | Wife-H | — | Illinois |
| 3 | Helen E. Davies | 6 | Daughter | — | Illinois |
| 4 | Lenore A. Davies | 3 | Daughter | — | Iowa |
| 5 | R. Russell Boag | 42 | Head | Salesman | California |
| 6 | Edith M. Boag | 42 | Wife-H | — | Iowa |
| 7 | Robert H. Boag | 19 | Son | — | Iowa |
| 8 | Wilma L. Boag | 16 | Daughter | — | Iowa |
| 9 | J. C. Stuckey | 38 | Lodger | Salesman | Illinois |
| 10 | Elisha Kaplan | 50 | Head | Salesman | Russia |
| 11 | Sadie Kaplan | 50 | Wife-H | — | Russia |
| 12 | Annette Kaplan | 19 | Daughter | — | Iowa |
| 13 | Cecil Kaplan | 17 | Daughter | Clerk | Iowa |
| 14 | Maurice Lazar | 26 | Son-in-law | Salesman | London, England |
| 15 | Clara Lazar | 25 | Daughter | Bookkeeper | Iowa |
| 16 | Robert C. Ramsey | 40 | Head | Special Agent | Iowa |
| 17 | Fay U. Ramsey | 42 | Wife-H | — | Nebraska |
| 18 | Babette R. Ramsey | 13 | Daughter | — | Iowa |
| 19 | Roy C. Mcrae | 43 | Head | Branch Manager | Nebraska |
| 20 | Eva N. Mcrae | 36 | Wife-H | — | Nebraska |
| 21 | Laura L. Mcrae | 5 | Daughter | — | Iowa |
| 22 | Russell C. Mcrae | 2 | Son | — | Iowa |
| 23 | Walter A. Ball | 54 | Head | Salesman | Iowa |
| 24 | Florence S. Ball | 50 | Wife-H | — | Pennsylvania |
| 25 | Marian M. Ball | 23 | Daughter | Clerk | Iowa |
| 26 | Helen M. Ball | 17 | Daughter | — | Iowa |
| 27 | Arthur T. Martin | 66 | Head | Manager | Illinois |
| 28 | Viretta E. Martin | 58 | Wife-H | — | Iowa |
| 29 | Ernest E. Martin THIS PERSON | 25 | Son | Mechanic | Iowa |
| 30 | Mary T. Martin | 18 | Daughter | Clerk | Iowa |
| 31 | Phyllis E. Martin | 14 | Daughter | — | Iowa |
Pedigree Summary
Ernest + 2 siblings
Gen 1 · 3 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)