CM
Charles Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Greene-County, Illinois
Our Model Tree links this Charles Martin across the 1920, 1930 and 1940 US Censuses in Greene-County, Illinois (XGBoost, ~Confirmed), with identified parents Oscar & Oscar — first a son (b.~1918), then head of a 9-person household.
Age 22
b. ~1918
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Greene-County, Illinois |
| Surname | Martin |
| Given Name | Charles D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Carrollton Twp |
| 1935 Residence (County) | Greene |
| Additional Details | |
| Occupation | Farm |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 48 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farm |
| Township / Ward | Carrollton Twp |
| Est. Birth Year | ~1918 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Lola Martin | Daughter | — | 24 | ~1916 |
| Elsie Martin | Daughter | — | 39 | ~1901 |
| Oscar Martin | Head | — | 59 | ~1881 |
| Orson Martin | Son | — | 18 | ~1922 |
| Curtis Martin | Son | — | 16 | ~1924 |
| Avery Martin | Son | — | 32 | ~1908 |
| Charles Martin | Son | — | 22 | ~1918 |
| Dean Martin | Son | — | 26 | ~1914 |
| Clara Martin | Spouse | — | 59 | ~1881 |
Census Appearances
1920
Greene, Illinois
Son, age 2
Greene, Illinois · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Charles D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Write | Yes |
| Speaks English | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Greene, Illinois
Son, age 12
Greene, Illinois · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Charles D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Greene-County, Illinois
Son, age 22
Greene-County, Illinois · implied b. ~1918 — 9 household members
| Surname | Martin |
| Given Name | Charles D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Carrollton Twp |
| 1935 Residence (County) | Greene |
| Occupation | Farm |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 48 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Charles Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Oscar Martin (~0.92 confidence) and father Oscar Martin (~0.92 confidence) and mother Clara Martin (~0.92 confidence) and mother Clara Martin (~0.92 confidence) and mother Clara Martin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Oscar Martin
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Oscar Martin
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Clara Martin
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Clara Martin
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Clara Martin
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Martin
Son · 1940 · age 22 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Avery Martin
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Curtis Martin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lola Martin
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dean Martin
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Orson Martin
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elsie Martin
Sibling · 1940 · age 39
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 — Greene-County, Illinois
Open full size
1940 US Federal Census — Greene-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00808-00135)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth Ward | 81 | Mother | — | Illinois |
| 2 | Mary Hubbard | 20 | Servant | Servant | Illinois |
| 3 | Lena Lugg | 66 | Servant | Nurse | Illinois |
| 4 | Antone H. Brinker | 54 | Head | Farm | Illinois |
| 5 | John W. Brinker | 41 | Brother | Farm | Illinois |
| 6 | Frances Brinker | 37 | Wife | Housework | Illinois |
| 7 | Mary J. Brinker | 9 | Daughter | — | Illinois |
| 8 | Henry F. Brinker | 7 | Son | — | Illinois |
| 9 | John G. Brinker | 5 | Son | — | Illinois |
| 10 | Helene Brinker | 79 | Mother | — | Missouri |
| 11 | Clement Ivey | 28 | Servant | Farm Laborer | Illinois |
| 12 | Theodore Schult | 76 | Head | — | Germany |
| 13 | Henry Schult | 43 | Son | Farm | Illinois |
| 14 | Mary Schult | 37 | Daughter-in-law | Housework | Illinois |
| 15 | Edward Schult | 12 | Son | — | Illinois |
| 16 | Joseph Schult | 7 | Son | — | Illinois |
| 17 | Robert Schult | 6 | Son | — | Illinois |
| 18 | Margaret A. Schult | 5 | Daughter | — | Illinois |
| 19 | William Schult | 45 | Brother | Farm | Illinois |
| 20 | Herbert Reblock | 21 | Head | Farm | Illinois |
| 21 | Louise Reblock | 19 | Wife | Housework | Illinois |
| 22 | Alfred J. Debert | 62 | Hired man | Laborer | Pennsylvania |
| 23 | Tell Thrasher | 50 | Head | Farm | Illinois |
| 24 | Ollie Thrasher | 46 | Wife | Housework | Illinois |
| 25 | Lillie Henshaw | 78 | Mother | Housework | Illinois |
| 26 | Lloyd Twit | 39 | Hired man | Laborer | Illinois |
| 27 | Oscar O. Martin | 59 | Head | Farm | Illinois |
| 28 | Clara E. Martin | 59 | Wife | Housework | Illinois |
| 29 | Avery E. Martin | 32 | Son | Farm | Illinois |
| 30 | Elsie M. Martin | 39 | Daughter | Housework | Illinois |
| 31 | Dean G. Martin | 26 | Son | Farm | Illinois |
| 32 | Lola B. Martin | 24 | Daughter | Housework | Illinois |
| 33 | Charles D. Martin THIS PERSON | 22 | Son | Farm | Illinois |
| 34 | Orson J. Martin | 18 | Son | Farm | Illinois |
| 35 | Curtis F. Martin | 16 | Son | — | Illinois |
| 36 | Bernard J. Feren | 42 | Head | Farm Hand | Illinois |
| 37 | Catherine A. Feren | 33 | Wife | Housework | Illinois |
| 38 | Herman G. Feren | 7 | Son | — | Illinois |
| 39 | Bernadine J. Feren | 5 | Daughter | — | Illinois |
| 40 | Jerome B. Feren | 2 | Son | — | Illinois |
Pedigree Summary
Charles + 6 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)