RM
Ralph Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Fairfield-County, Ohio
Our Model Tree links this Ralph Martin across the 1920, 1930 and 1940 US Censuses in Fairfield-County, Ohio (XGBoost, ~Confirmed), with identified parents Grant & Rancie — first a head (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Fairfield-County, Ohio |
| Surname | Martin |
| Given Name | Ralph E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Hocking Twp. |
| 1935 Residence (County) | Fairfield |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Farm Bureau |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 420 |
| Highest Grade | C-1 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Truck Driver |
| Township / Ward | Hocking Twp |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Ruth Martin | Spouse | — | 31 | ~1909 |
| Kenneth Martin | Son | — | 1 | ~1939 |
| Ralph Martin | Head | — | 31 | ~1909 |
Census Appearances
1920
Pickaway, Ohio
Son, age 12
Pickaway, Ohio · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Fairfield, Ohio
Son, age 22
Fairfield, Ohio · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| 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
Fairfield-County, Ohio
Head, age 31
Fairfield-County, Ohio · implied b. ~1909 — 3 household members
| Surname | Martin |
| Given Name | Ralph E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Hocking Twp. |
| 1935 Residence (County) | Fairfield |
| Occupation | Truck Driver |
| Industry | Farm Bureau |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 420 |
| Highest Grade | C-1 |
| 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 Ralph Martin across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Grant Martin (~0.92 confidence) and father Rancie Martin (~0.92 confidence) and mother Emma Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Grant Martin
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Rancie Martin
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Emma Martin
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Martin
Head · 1940 · age 31 · b. ~1909 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Fairfield-County, Ohio
Open full size
1940 US Federal Census — Fairfield-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03065-00300)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Shriner | 59 | Head | Farmer | Ohio |
| 42 | Hattie M. Shriner | 59 | Wife | — | Ohio |
| 43 | David T. Smith | 65 | Head | — | Ohio |
| 44 | Cora A. Smith | 62 | Wife | — | Ohio |
| 45 | Roy L. Smith | 22 | Son | Operator | Ohio |
| 46 | Margarette Smith | 18 | Wife | — | Ohio |
| 47 | Loretta M. Smith | 0 | Daughter | — | Ohio |
| 48 | Clarence E. Gardner | 39 | Head | Farmer | Ohio |
| 49 | Evelyn H. Gardner | 39 | Wife | — | Ohio |
| 50 | Warren H. Gardner | 15 | Son | — | Ohio |
| 51 | Donald E. Gardner | 12 | Son | — | Ohio |
| 52 | Kenneth E. Gardner | 10 | Son | — | Ohio |
| 53 | Kermit H. Gardner | 8 | Son | — | Ohio |
| 54 | Merle W. Gardner | 45 | Head | Farmer | Ohio |
| 55 | Nellie B. Gardner | 38 | Wife | Saleslady | Ohio |
| 56 | Virginia M. Gardner | 19 | Daughter | Saleslady | Ohio |
| 57 | Robert W. Gardner | 16 | Son | Labor | Ohio |
| 58 | Benjamin Strauss | 60 | Head | Labor | Ohio |
| 59 | Claude M. Justin | 51 | Head | Shipping Clerk | Indiana |
| 60 | Mary C. Justin | 53 | Wife | — | Ohio |
| 61 | Paul E. Penney | 23 | Head | Packer | Ohio |
| 62 | Laura Penney | 22 | Wife | — | Ohio |
| 63 | Patricia A. Penney | 4 | Daughter | — | Ohio |
| 64 | Eva M. Penney | 3 | Daughter | — | Ohio |
| 65 | Aluniah H. Gardner | 72 | Head | Farmer | Ohio |
| 66 | James H. Gardner | 33 | Son | Labor | Ohio |
| 67 | Lester R. Gardner | 23 | Head | Sealer | Ohio |
| 68 | Thelma L. Gardner | 20 | Wife | — | Ohio |
| 69 | Carl A. Miller | 50 | Head | Manager | Ohio |
| 70 | Bella E. Miller | 51 | Wife | — | Pennsylvania |
| 71 | A. George Miller | 16 | Son | — | Ohio |
| 72 | Harold E. Hughes | 42 | Head | Farmer | Ohio |
| 73 | Viola B. Hughes | 41 | Wife | — | Ohio |
| 74 | Wanda Carolyn Hughes | 2 | Daughter | — | Ohio |
| 75 | Hailey E. Seimer | 65 | Lodger | — | Ohio |
| 76 | Ralph E. Martin THIS PERSON | 31 | Head | Truck Driver | Ohio |
| 77 | Ruth J. Martin | 31 | Wife | — | Ohio |
| 78 | Kenneth N. Martin | 1 | Son | — | Ohio |
| 79 | George C. Allen | 39 | Head | Draftsman | Ohio |
| 80 | Rheta E. Allen | 38 | Wife | — | Ohio |
Pedigree Summary
Ralph
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 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)