WM
Walter Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Richland-County, Illinois
Our Model Tree links this Walter Martin across the 1920, 1930 and 1940 US Censuses in Richland-County, Illinois (XGBoost, ~Confirmed), with identified parents Daisy & John — first a son (b.~1898), then head of a 3-person household.
Age 42
b. ~1898
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Richland-County, Illinois |
| Surname | Martin |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Olney |
| 1935 Residence (County) | Richland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Unskilled |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 160 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Olney |
| Est. Birth Year | ~1898 |
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 Walter | Age | Birth yr |
|---|---|---|---|---|
| John Martin | Head | — | 63 | ~1877 |
| Carl Martin | Son | — | 27 | ~1913 |
| Walter Martin | Son | — | 42 | ~1898 |
Census Appearances
1920
Richland, Illinois
Son, age 20
Richland, Illinois · implied b. ~1900 — 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 | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farm Laborer |
| Industry | Working out |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Richland, Illinois
Son, age 31
Richland, Illinois · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Walter K. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Richland-County, Illinois
Son, age 42
Richland-County, Illinois · implied b. ~1898 — 3 household members
| Surname | Martin |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Olney |
| 1935 Residence (County) | Richland |
| Occupation | Laborer |
| Industry | Unskilled |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 160 |
| Highest Grade | No 7 |
| 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 Walter Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Daisy Martin (~0.92 confidence) and mother John Martin (~0.92 confidence) and father David Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Daisy Martin
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
John Martin
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
David Martin
b. ~1878
Source father
● Household
· direct · ~0.92
This person
Anchor record
Walter Martin
Son · 1940 · age 42 · b. ~1898 · Illinois
★ You are viewing this record
Sibling
Carl Martin
Sibling · 1940 · age 27
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 — Richland-County, Illinois
Open full size
1940 US Federal Census — Richland-County, Illinois
Page Contents
35 people indexed on this census page (nara:1940:m-t0627-00873-00380)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Doris Barker | 8 | Daughter | — | Illinois |
| 42 | Woody D. Stewart | 23 | Head | Butcher | Illinois |
| 43 | Emma V. Stewart | 26 | Wife | — | Illinois |
| 48 | Milton Footman | 66 | Head | Unable | Illinois |
| 49 | Otis Kinsey | 45 | Head | Laborer | Illinois |
| 50 | James Foster | 40 | Head | Laborer | Tennessee |
| 51 | John Footman | 70 | Lodger | Unable | Illinois |
| 52 | Jesse Gardner | 54 | Head | Road Construction | Illinois |
| 53 | Orden E. Fisher | 26 | Head | Laborer | Indiana |
| 54 | Margaret A. Fisher | 25 | Wife | — | Illinois |
| 55 | James R. Fisher | 5 | Son | — | Illinois |
| 56 | Joanne M. Fisher | 4 | Daughter | — | Illinois |
| 57 | George H. Nichols | 69 | Head | Unable | Illinois |
| 58 | Mary R. Nichols | 54 | Wife | — | Illinois |
| 59 | Edward Novak | 31 | Head | Truck Driver | Illinois |
| 60 | Beulah A. Novak | 26 | Wife | — | Illinois |
| 61 | Merrell G. Novak | 8 | Son | — | Illinois |
| 62 | Bobby L. Novak | 6 | Son | — | Illinois |
| 63 | Shirley J. Novak | 3 | Daughter | — | Illinois |
| 64 | Mary Ann Novak | 0 | Daughter | — | Illinois |
| 66 | Jack Wheatly | 24 | Head | Laborer | Arkansas |
| 67 | Georgia R. Wheatly | 22 | Wife | — | Illinois |
| 68 | John Martin | 63 | Head | — | Illinois |
| 69 | Carl E. Martin | 27 | Son | Laborer | Illinois |
| 70 | Walter Martin THIS PERSON | 42 | Son | Laborer | Illinois |
| 71 | Fred Pratt | 40 | Head | Laborer | Indiana |
| 72 | Geneva Pratt | 39 | Wife | Laborer | Illinois |
| 73 | Fred L. Pratt | 22 | Son | Laborer | Illinois |
| 74 | Betty L. Pratt | 14 | Daughter | — | Illinois |
| 75 | Mary E. Cummings | 71 | Head | — | Illinois |
| 76 | Sylvia E. Rodgers | 18 | Maid | — | Illinois |
| 77 | Ivan Cullison | 51 | Lodger | Body Man | Illinois |
| 78 | Carl Wilson | 24 | Lodger | Salesman | Illinois |
| 79 | Ralph Taylor | 21 | Lodger | Cleaner | Illinois |
| 80 | Allen Muser | 25 | Lodger | Laborer | Indiana |
Pedigree Summary
Walter + 1 sibling
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)