RM
Richard Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Shelby-County, Illinois
Our Model Tree links this Richard Martin across the 1920, 1930 and 1940 US Censuses in Shelby-County, Illinois (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Male
Son
Born: Illinois
Separated
1940 Census Record Details
| Census Year | 1940 |
| Location | Shelby-County, Illinois |
| Surname | Martin |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Separated |
| Birthplace | Illinois |
| 1935 Residence (City) | Shelbyville |
| 1935 Residence (County) | Shelby |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 55 |
| Income (1939) | 52 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Shelbyville |
| Est. Birth Year | ~1913 |
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 1940 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| James Martin | Head | — | 65 | ~1875 |
| Richard Martin | Son | — | 27 | ~1913 |
| William Martin | Son | — | 10 | ~1930 |
| Raymond Martin | Son | — | 21 | ~1919 |
| Mary Martin | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Shelby, Illinois
Son, age 6
Shelby, Illinois · implied b. ~1914 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Shelby, Illinois
Son, age 17
Shelby, Illinois · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| 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
Shelby-County, Illinois
Son, age 27
Shelby-County, Illinois · implied b. ~1913 — 5 household members
| Surname | Martin |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Separated |
| Birthplace | Illinois |
| 1935 Residence (City) | Shelbyville |
| 1935 Residence (County) | Shelby |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 55 |
| Income (1939) | 52 |
| Highest Grade | No 8 |
| 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 Richard Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Martin (~0.92 confidence) and father James Martin (~0.92 confidence) and father James Martin (~0.92 confidence) and mother Mary Martin (~0.92 confidence) and mother Mary Martin (~0.92 confidence) and mother Mary Martin (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Martin
b. ~1875
Source father
● Household
· direct · ~0.92
Father
James Martin
b. ~1875
Source father
● Household
· direct · ~0.92
Father
James Martin
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Mary Martin
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Mary Martin
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Mary Martin
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Richard Martin
Son · 1940 · age 27 · b. ~1913 · Illinois
★ You are viewing this record
Sibling
Raymond Martin
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Martin
Sibling · 1940 · age 10
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, Illinois
Open full size
1940 US Federal Census — Shelby-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00890-00581)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charlene Ward | 19 | Wife | — | Illinois |
| 42 | Robert Ward | 2 | Son | — | Illinois |
| 43 | Grover Butler | 48 | Head | Laborer | Illinois |
| 44 | Lula Butler | 43 | Wife | — | Missouri |
| 45 | H. S. Wallace | 80 | Lodger | — | Illinois |
| 46 | Clarence Martz | 26 | Head | Truck Driver | Illinois |
| 47 | Villette Martz | 26 | Wife | — | Illinois |
| 48 | Dale Graves | 35 | Head | Truck Driver | Illinois |
| 49 | Elizabeth Graves | 28 | Wife | Packer | Illinois |
| 50 | Charles Lecrone | 22 | Head | Expressman | Illinois |
| 51 | Elsie Lecrone | 20 | Wife | — | Illinois |
| 52 | Larry Dean Lecrone | 0 | Son | — | Illinois |
| 53 | James H. Martin | 65 | Head | Ditching | Illinois |
| 54 | Mary E. Martin | 57 | Wife | — | Illinois |
| 55 | Richard Martin THIS PERSON | 27 | Son | Laborer | Illinois |
| 56 | Raymond Martin | 21 | Son | Laborer | Illinois |
| 57 | William Martin | 10 | Son | — | Illinois |
| 58 | Fred Smith | 28 | Head | Ditching | Illinois |
| 59 | Marie Smith | 25 | Wife | — | Illinois |
| 60 | Marjorie Smith | 5 | Daughter | — | Illinois |
| 61 | Laverne Smith | 3 | Daughter | — | Illinois |
| 62 | Edna Fae Smith | 1 | Daughter | — | Illinois |
| 63 | Homer Renner | 39 | Head | Ditching | Illinois |
| 64 | Alice Renner | 38 | Wife | Packer | Illinois |
| 65 | Robert Renner | 14 | Son | — | Illinois |
| 66 | Billy Renner | 12 | Son | — | Illinois |
| 67 | Hazel Renner | 10 | Daughter | — | Illinois |
| 68 | Raymond Renner | 8 | Son | — | Illinois |
| 69 | Helen Renner | 6 | Daughter | — | Illinois |
| 70 | Eva Renner | 5 | Daughter | — | Illinois |
| 71 | Homer Jr. Renner | 4 | Son | — | Illinois |
| 72 | Robert Bryson | 79 | Head | — | Illinois |
| 73 | Lawrence Bryson | 39 | Son | Miner | Illinois |
| 74 | Mary Duwell | 74 | Head | — | Kentucky |
| 75 | Miriam Wright | 28 | Head | Tax Commission | Illinois |
| 76 | Richard Wright | 7 | Son | — | Illinois |
| 77 | Leslie Steele | 50 | Head | Guard | Illinois |
| 78 | Ruby Steele | 44 | Wife | — | Illinois |
| 79 | Jack Steele | 19 | Son | Clerk | Illinois |
| 80 | Marjorie Steele | 11 | Daughter | — | Illinois |
Related Census Records
Pedigree Summary
Richard + 2 siblings
Gen 1 · 6 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)