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Earl Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hocking-County, Ohio
Our Model Tree links this Earl Martin across the 1930 and 1940 US Censuses in Hocking-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 9-person household.
Age 10
b. ~1930
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hocking-County, Ohio |
| Surname | Martin |
| Given Name | Earl R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Ward Township |
| 1935 Residence (County) | Hocking |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Ward Township |
| Est. Birth Year | ~1930 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Earl | Age | Birth yr |
|---|---|---|---|---|
| Don Martin | Son | — | ~1940 | |
| Norma Martin | Daughter | — | 7 | ~1933 |
| Dale Martin | Son | — | 2 | ~1938 |
| Betty Martin | Daughter | — | 9 | ~1931 |
| Gene Martin | Son | — | 3 | ~1937 |
| Raymond Martin | Head | — | 43 | ~1897 |
| Rex Martin | Son | — | 6 | ~1934 |
| Earl Martin | Son | — | 10 | ~1930 |
| Ruth Martin | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Hocking, Ohio
Other, age
Hocking, Ohio · implied b. ~1930 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Earl R. |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hocking-County, Ohio
Son, age 10
Hocking-County, Ohio · implied b. ~1930 — 9 household members
| Surname | Martin |
| Given Name | Earl R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Ward Township |
| 1935 Residence (County) | Hocking |
| Highest Grade | No 3 |
| 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 Earl Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Earl Martin
Son · 1940 · age 10 · b. ~1930 · Ohio
★ You are viewing this record
Sibling
Betty Martin
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Martin
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Don Martin
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norma Martin
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rex Martin
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gene Martin
Sibling · 1940 · age 3
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 — Hocking-County, Ohio
Open full size
1940 US Federal Census — Hocking-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03086-00574)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mabel Lochman | 57 | Wife | — | Ohio |
| 2 | Robert Lochman | 26 | Son | Oil Pumper | Ohio |
| 3 | Annabella Lochman | 21 | Daughter-in-law | — | Ohio |
| 4 | Robert Kent Lochman | 0 | Grand-son | — | Ohio |
| 5 | Howard Dawley | 68 | Head | Farmer | Ohio |
| 6 | Margaret Dawley | 60 | Wife | — | Ohio |
| 7 | Walter Dawley | 41 | Son | Laborer | Ohio |
| 8 | Raymond Martin | 43 | Head | Miner | Ohio |
| 9 | Ruth Martin | 38 | Wife | — | Ohio |
| 10 | Earl R. Martin THIS PERSON | 10 | Son | — | Ohio |
| 11 | Betty J. Martin | 9 | Daughter | — | Ohio |
| 12 | Norma Martin | 7 | Daughter | — | Ohio |
| 13 | Rex A. Martin | 6 | Son | — | Ohio |
| 14 | Gene Martin | 3 | Son | — | Ohio |
| 15 | Dale M. Martin | 2 | Son | — | Ohio |
| 16 | Don E. Martin | 0 | Son | — | Ohio |
| 17 | Ellis Dawley | 61 | Head | Farmer | Ohio |
| 18 | Calvin Williams | 40 | Head | Miner | Tennessee |
| 19 | Margaret Williams | 31 | Wife | — | Ohio |
| 20 | Helen Williams | 13 | Daughter | — | Ohio |
| 21 | Eva Williams | 11 | Daughter | — | Ohio |
| 22 | Calvin Jr. Williams | 8 | Son | — | Ohio |
| 23 | Earma Williams | 7 | Daughter | — | Ohio |
| 24 | Roger Williams | 5 | Son | — | Ohio |
| 25 | Robert Williams | 3 | Son | — | Ohio |
| 26 | Merle Woods | 50 | Head | Farmer | Ohio |
| 27 | Florence Woods | 46 | Wife | — | Ohio |
| 28 | Joy Woods | 15 | Daughter | — | Ohio |
| 29 | Ramona Woods | 11 | Daughter | — | Ohio |
| 30 | Newton Clark | 30 | Head | Farmer | Ohio |
| 31 | Dorthy Clark | 26 | Wife | — | Ohio |
| 32 | Franklin Clark | 7 | Son | — | Ohio |
| 33 | Betty J. Clark | 1 | Daughter | — | Ohio |
| 34 | Ira Dawley | 79 | Head | Farmer | Ohio |
| 35 | Harry C. Mundie | 44 | Son-in-law | Section Labor | Ohio |
| 36 | Bertha Mundie | 41 | Daughter | — | Ohio |
| 37 | Herbert C. Mundie | 16 | Son | — | Ohio |
| 38 | John Kline | 46 | Head | Brick Wheeler | Ohio |
| 39 | Bessie Kline | 40 | Wife | — | Ohio |
| 40 | Thurman Kline | 19 | Son | Laborer | Ohio |
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)