WM
Walter Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Vermilion-County, Illinois
Our Model Tree links this Walter Martin across the 1920, 1930 and 1940 US Censuses in Vermilion-County, Illinois (XGBoost, ~Confirmed), with identified parents Ira & Ora — first a son (b.~1906), then head of a 8-person household.
Age 34
b. ~1906
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Vermilion-County, Illinois |
| Surname | Martin |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Danville City |
| 1935 Residence (County) | Vermilion |
| Additional Details | |
| Occupation | miner |
| Industry | Own mine |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Miner |
| Township / Ward | Danville City |
| Est. Birth Year | ~1906 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Glass | Daughter | — | 25 | ~1915 |
| Ora Martin | Head | — | 55 | ~1885 |
| Bural Glass | Other | — | 5 | ~1935 |
| Ronald Glass | Other | — | 2 | ~1938 |
| Gerald Martin | Son | — | 20 | ~1920 |
| Donald Martin | Son | — | 25 | ~1915 |
| Walter Martin | Son | — | 34 | ~1906 |
| Sophia Martin | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Vermilion, Illinois
Son, age 15
Vermilion, Illinois · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Walter |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | cigar maker |
| Industry | Cigar factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Vermilion, Illinois
Son, age 24
Vermilion, Illinois · implied b. ~1906 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Walter E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Truck driver |
| Industry | Coal Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Vermilion-County, Illinois
Son, age 34
Vermilion-County, Illinois · implied b. ~1906 — 8 household members
| Surname | Martin |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Danville City |
| 1935 Residence (County) | Vermilion |
| Occupation | miner |
| Industry | Own mine |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | H 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 Walter Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ira Martin (~0.92 confidence) and father Ora Martin (~0.92 confidence) and father Ora Martin (~0.92 confidence) and mother Sophie Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ira Martin
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Ora Martin
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Ora Martin
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Sophie Martin
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Martin
Son · 1940 · age 34 · b. ~1906 · Illinois
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Sibling
Donald Martin
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Martin
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Glass
Sibling · 1940 · age 25
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 — Vermilion-County, Illinois
Open full size
1940 US Federal Census — Vermilion-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00897-00433)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Isaac Harry Jester | 75 | Head | Employee | Indiana |
| 2 | Laura Mae Jester | 52 | Wife | Saleslady | Illinois |
| 3 | Annabella Walton | 58 | Head | — | Illinois |
| 4 | Raymond Walton | 37 | Son | Showman | Illinois |
| 5 | Harry Allen | 58 | Head | Superintendent | Indiana |
| 6 | Mae Allen | 38 | Wife | — | Ohio |
| 7 | Ora Martin | 55 | Head | Motor Runner | Illinois |
| 8 | Sophia Martin | 53 | Wife | — | Illinois |
| 9 | Walter Martin THIS PERSON | 34 | Son | Miner | Illinois |
| 10 | Donald Martin | 25 | Son | Miner | Illinois |
| 11 | Gerald Martin | 20 | Son | Miner | Illinois |
| 12 | Dorothy Glass | 25 | Daughter | Laundress | Illinois |
| 13 | Bural Glass | 5 | Granddaughter | — | Illinois |
| 14 | Ronald Glass | 2 | Grandson | — | Illinois |
| 15 | Forrest Mendenhall | 50 | Head | Laborer | Illinois |
| 16 | Ora Mendenhall | 45 | Wife | — | Indiana |
| 17 | Ethel Mary Alkire | 88 | Head | — | Indiana |
| 18 | Ethel Alkire | 53 | Daughter | — | Illinois |
| 19 | John C Alkire | 58 | Son | Painter | Illinois |
| 20 | Jesse W Alkire | 50 | Son | Salesman | Illinois |
| 21 | Augusta Skoog | 65 | Head | — | Sweden |
| 22 | Oscar G Skoog | 29 | Son | Meter Inspector | Illinois |
| 23 | Arthur E Skoog | 25 | Son | Laborer | Illinois |
| 24 | George M Highberg | 32 | Son-in-law | Revenue Agent | Illinois |
| 25 | Helga S Highberg | 32 | Daughter | — | Sweden |
| 26 | C. E. William Highberg | 2 | Grandson | — | Illinois |
| 27 | Burl Sutton | 28 | Head | Bus Driver | Missouri |
| 28 | Edith Sutton | 23 | Wife | — | Illinois |
| 29 | Richard Long | 57 | Head | Carpenter | Illinois |
| 30 | Edna Long | 53 | Wife | — | Illinois |
| 31 | Earl Mellon | 33 | Son-in-law | Carpenter | Michigan |
| 32 | Pauline Mellon | 29 | Daughter | — | Illinois |
| 33 | Mary J Mellon | 12 | Granddaughter | — | Illinois |
| 34 | Byron Mellon | 9 | Grandson | — | Illinois |
| 35 | Robert W Claggitt | 67 | Head | — | Kentucky |
| 36 | Lilly M Claggitt | 62 | Wife | — | Illinois |
| 37 | Eric Lind | 30 | Son-in-law | Superintendent | Minnesota |
| 38 | Dessie Lind | 27 | Daughter | — | Illinois |
| 39 | Ellen Lind | 0 | Granddaughter | — | Illinois |
| 40 | George Katcher | 36 | Head | Electrician | Illinois |
Pedigree Summary
Walter + 3 siblings
Gen 1 · 4 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)