WM
Walter Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Shelby-County, Ohio
Our Model Tree links this Walter Martin across the 1920, 1930 and 1940 US Censuses in Shelby-County, Ohio (XGBoost, ~Confirmed), with identified parents Ford & Lloyd — first a son (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Shelby-County, Ohio |
| Surname | Martin |
| Given Name | Walter Gardner |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Orange Twp |
| 1935 Residence (County) | Shelby |
| Additional Details | |
| Occupation | Polisher |
| Industry | Foundry |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 436 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Polisher |
| Township / Ward | Orange Twp |
| Est. Birth Year | ~1916 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Francis Martin | Daughter | — | 20 | ~1920 |
| Lloyd Martin | Head | — | 51 | ~1889 |
| Sylvester Binley | Other | — | 77 | ~1863 |
| Marvin Martin | Son | — | 19 | ~1921 |
| Walter Martin | Son | — | 24 | ~1916 |
| Idelma Martin | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Shelby, Ohio
Son, age 3
Shelby, Ohio · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Shelby, Ohio
Son, age 14
Shelby, Ohio · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Shelby-County, Ohio
Son, age 24
Shelby-County, Ohio · implied b. ~1916 — 6 household members
| Surname | Martin |
| Given Name | Walter Gardner |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Orange Twp |
| 1935 Residence (County) | Shelby |
| Occupation | Polisher |
| Industry | Foundry |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 436 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Walter Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ford Martin (~0.92 confidence) and father Lloyd Martin (~0.92 confidence) and mother Dema Martin (~0.92 confidence) and mother Idelma Martin (~0.92 confidence) and mother Lena Martin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ford Martin
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Lloyd Martin
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Dema Martin
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Idelma Martin
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Lena Martin
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Martin
Son · 1940 · age 24 · b. ~1916 · Ohio
★ You are viewing this record
Sibling
Francis Martin
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marvin Martin
Sibling · 1940 · age 19
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
1940 US Federal Census — Shelby-County, Ohio
Open full size
1940 US Federal Census — Shelby-County, Ohio
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-03146-00625)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Florence Whitman | 62 | Head | — | Ohio |
| 42 | Jean Whitman | 17 | Daughter | — | Ohio |
| 43 | Edward D. Dowds | 67 | Head | — | Ohio |
| 44 | Fanny Dowds | 64 | Wife | — | Ohio |
| 45 | Harry Martin | 37 | Head | Farmer | Ohio |
| 46 | Beverly J. Martin | 30 | Wife | — | Ohio |
| 47 | Norma Jean Martin | 8 | Daughter | — | Ohio |
| 48 | Frederick Martin | 32 | Brother | Farmer | Ohio |
| 49 | Stanley Howell | 28 | Head | Farmer | Ohio |
| 50 | Thelma Howell | 26 | Wife | — | Ohio |
| 51 | Phyllis Jean Howell | 5 | Daughter | — | Ohio |
| 52 | James Richard Howell | 1 | Son | — | Ohio |
| 53 | Susie Heck | 80 | Head | — | Ohio |
| 54 | Lillie Shipley | 83 | Servant | Housekeeper | Ohio |
| 55 | Lloyd Martin | 51 | Head | Fireman | Ohio |
| 56 | Idelma June Martin | 48 | Wife | — | Ohio |
| 57 | Walter Gardner Martin THIS PERSON | 24 | Son | Polisher | Ohio |
| 58 | Francis Fay Martin | 20 | Daughter | Polisher | Ohio |
| 59 | Marvin Floyd Martin | 19 | Son | Polisher | Ohio |
| 60 | Sylvester Binley | 77 | Father-in-law | — | Ohio |
| 61 | R. George Martin | 65 | Head | Farmer | Ohio |
| 62 | S. Izora Martin | 60 | Wife | — | Ohio |
| 63 | Ernest Martin | 36 | Head | Farmer | Ohio |
| 64 | Mildred Ann Martin | 33 | Wife | — | Ohio |
| 65 | Betty Ann Sketze | 3 | Niece | — | Ohio |
| 66 | R. Emma Martin | 65 | Head | — | Ohio |
| 67 | Melvin Martin | 75 | Lodger | — | Ohio |
| 68 | Elam Friend | 67 | Head | Farmer | Ohio |
| 69 | Alice Mae Friend | 65 | Wife | — | Ohio |
| 70 | Evelyn Ruth Friend | 18 | Daughter | — | Ohio |
| 71 | Robert Heer | 39 | Head | Farmer | Ohio |
| 72 | Lola C. Heer | 29 | Wife | — | Alabama |
| 73 | Mary Louise Heer | 9 | Daughter | — | Ohio |
| 74 | Joan Heer | 7 | Daughter | — | Ohio |
| 75 | Charles Windle | 69 | Head | Retired Farmer | Ohio |
| 76 | Naomi Windle | 66 | Wife | — | Ohio |
Pedigree Summary
Walter + 2 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)