WM
William Martin — 1930 US Census Record
Model Tree available1930 United States Federal Census · Washington, Indiana
Our Model Tree links this William Martin across the 1910, 1920 and 1930 US Censuses in Washington, Indiana (XGBoost, ~Confirmed), with identified parents Oscar & Oscar — first a son (b.~1904), then head of a 5-person household.
Age 26
b. ~1904
Male
Son
Born: Indiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Washington, Indiana |
| Surname | Martin |
| Given Name | William O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | Teacher |
| Industry | High School |
| Class of Worker | 9999 |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Teacher |
| Township / Ward | Pierce Township |
| Est. Birth Year | ~1904 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Mary Martin | Daughter | — | 7 | ~1923 |
| Oscar Martin | Head | — | 74 | ~1856 |
| William Martin | Son | — | 26 | ~1904 |
| George Martin | Son | — | 22 | ~1908 |
| Bertha Martin | Spouse | — | 43 | ~1887 |
Census Appearances
1910
Washington, Indiana
Son, age 6
Washington, Indiana · implied b. ~1904 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | William E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Washington, Indiana
Son, age 15
Washington, Indiana · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | William O |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Laborer |
| Industry | At Home |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Washington, Indiana
Son, age 26
Washington, Indiana · implied b. ~1904 — 5 household members
| Surname | Martin |
| Given Name | William O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Teacher |
| Industry | High School |
| Class of Worker | 9999 |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 William Martin across 3 US Census years (1910, 1920 and 1930) in Washington, Indiana, using XGBoost record linkage. Identified parents: father Oscar Martin (~0.92 confidence) and father Oscar Martin (~0.92 confidence) and mother Bertha Martin (~0.92 confidence) and mother Ella Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Oscar Martin
b. ~1856
Source father
● Household
· direct · ~0.92
Father
Oscar Martin
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Bertha Martin
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Ella Martin
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Martin
Son · 1930 · age 26 · b. ~1904 · Indiana
★ You are viewing this record
Sibling
George Martin
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Martin
Sibling · 1930 · age 7
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 — Washington, Indiana
Open full size
1930 US Federal Census — Washington, Indiana
Page Contents
50 people indexed on this census page (ia:1930:indianacensus00reel631:0815)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruby Souder | 35 | Head | Farmer | Indiana |
| 2 | Elsie E. Souder | 29 | Wife | — | Indiana |
| 3 | Leonard Louis Souder | 6 | Son | — | Indiana |
| 4 | James H. Smith | 45 | Head | Farmer | Indiana |
| 5 | Claudia P. Smith | 47 | Wife | — | Indiana |
| 6 | George N. Newlon | 41 | Head | Farmer | Indiana |
| 7 | Bessie G. Newlon | 39 | Wife | — | Indiana |
| 8 | Glen G. Newlon | 18 | Son | — | Indiana |
| 9 | Paul L. Newlon | 16 | Son | — | Indiana |
| 10 | Kathleen M. Newlon | 14 | Daughter | — | Indiana |
| 11 | Logan E. Newlon | 12 | Son | — | Indiana |
| 12 | Elizabeth S. Newlon | 10 | Daughter | — | Indiana |
| 13 | Georgia M. Newlon | 8 | Daughter | — | Indiana |
| 14 | Edward R. Newlon | 5 | Son | — | Indiana |
| 15 | Earl A. Newlon | 3 | Son | — | Indiana |
| 16 | George F. Brown | 74 | Head | Farmer | Indiana |
| 17 | J. P. Brown | 53 | Brother | — | Indiana |
| 18 | Emma E. Hunt | 53 | Niece | — | Illinois |
| 19 | Mark H. Hunt | 27 | Nephew | Carpenter | Illinois |
| 20 | Ernest H. Borden | 24 | Head | Farmer | Indiana |
| 21 | Iren V. Borden | 20 | Wife | — | Indiana |
| 22 | Oscar J. Martin | 74 | Head | Farmer | Indiana |
| 23 | Bertha B. Martin | 43 | Wife | — | Indiana |
| 24 | William O. Martin THIS PERSON | 26 | Son | Teacher | Indiana |
| 25 | George H. Martin | 22 | Son | Farm | Indiana |
| 26 | Mary E. Martin | 7 | Daughter | — | Indiana |
| 27 | Ben H. Grover | 40 | Head | Farmer | Indiana |
| 28 | Stella E. Grover | 39 | Wife | — | Indiana |
| 29 | Hazel A. Grover | 16 | Daughter | — | Indiana |
| 30 | Zelpha M. Grover | 9 | Daughter | — | Indiana |
| 31 | Sophrona E. Grover | 6 | Daughter | — | Indiana |
| 32 | Logan J. Martin | 42 | R | Farmer | Indiana |
| 33 | Mattie E. Martin | 34 | Wife | — | Indiana |
| 34 | Irma B. Martin | 10 | Daughter | — | Indiana |
| 35 | Logan J. Martin | 8 | Son | — | Indiana |
| 36 | Russell U. Martin | 6 | Son | — | Indiana |
| 37 | Kenneth L. Martin | 5 | Son | — | Indiana |
| 38 | Homer Buchanan | 33 | R | Farmer | Indiana |
| 39 | Blanch M. Buchanan | 30 | Wife | — | Indiana |
| 40 | Eugene E. Buchanan | 9 | Son | — | Indiana |
| 41 | Charles Souder | 65 | Head | Farmer | Indiana |
| 42 | Elizabeth J. Souder | 65 | Wife | — | Indiana |
| 43 | Ola E. Souder | 54 | Head | Farmer | Indiana |
| 44 | Daisy E. Souder | 52 | Wife | — | Indiana |
| 45 | Willis L. Wells | 61 | Head | Farmer | Indiana |
| 46 | Laura A. Wells | 61 | Wife | — | Indiana |
| 47 | Thos. H. Pinkham | 40 | O | Farmer | Indiana |
| 48 | Louisa E. Pinkham | 42 | Wife | — | Indiana |
| 49 | Mary E. Pinkham | 16 | Daughter | — | Indiana |
| 50 | Richard Pinkham | 11 | Son | — | Indiana |
Pedigree Summary
William + 2 siblings
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)