HM
Herbert Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Missouri
Our Model Tree links this Herbert Martin across the 1920, 1930 and 1940 US Censuses in Washington-County, Missouri (XGBoost, ~Confirmed), with identified parents W & Wallace — first a head (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Missouri |
| Surname | Martin |
| Given Name | Herbert |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Belgrade |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Farmer |
| Township / Ward | Belgrade |
| Est. Birth Year | ~1909 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Herbert | Age | Birth yr |
|---|---|---|---|---|
| Harold Martin | Son | — | 3 | ~1937 |
| John Blair | Other | — | 18 | ~1922 |
| Herbert Martin | Head | — | 31 | ~1909 |
| Minerva Martin | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Washington, Missouri
Son, age 11
Washington, Missouri · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Washington, Missouri
Son, age 21
Washington, Missouri · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Laborer |
| Industry | Gen. Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Washington-County, Missouri
Head, age 31
Washington-County, Missouri · implied b. ~1909 — 4 household members
| Surname | Martin |
| Given Name | Herbert |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Belgrade |
| 1935 Residence (County) | Washington |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Herbert Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father W Martin (~0.92 confidence) and father Wallace Martin (~0.92 confidence) and mother Jane Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
W Martin
b. ~1866
Source father
● Household
· direct · ~0.92
Father
Wallace Martin
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Jane Martin
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Herbert Martin
Head · 1940 · age 31 · b. ~1909 · Missouri
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Washington-County, Missouri
Open full size
1940 US Federal Census — Washington-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02163-00027)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Geraldine Nicholson | 6 | daughter | — | Missouri |
| 2 | Charles Nicholson | 3 | son | — | Missouri |
| 3 | Fred Breckenridge | 65 | head | Farmer | Missouri |
| 4 | Anna Breckenridge | 63 | sister | — | Missouri |
| 5 | Mildred Breckenridge | 46 | sister | — | Missouri |
| 6 | Albert Toander | 60 | head | Farmer | Missouri |
| 7 | Nellie Toander | 44 | wife | — | Missouri |
| 8 | Fred Toander | 19 | son | New Worker | Missouri |
| 9 | Warren Toander | 17 | son | Sec. Cook | Missouri |
| 10 | Alice Toander | 15 | daughter | — | Missouri |
| 11 | Clara Toander | 13 | daughter | — | Missouri |
| 12 | Elmer Toander | 11 | son | — | Missouri |
| 13 | Sarah Toander | 9 | daughter | — | Missouri |
| 14 | Frances Toander | 6 | daughter | — | Missouri |
| 15 | Donald Toander | 4 | son | — | Missouri |
| 16 | Alberta Toander | 2 | daughter | — | Missouri |
| 17 | Herbert Martin THIS PERSON | 31 | head | Farmer | Missouri |
| 18 | Minerva Martin | 30 | wife | — | Missouri |
| 19 | Harold Martin | 3 | son | — | Missouri |
| 20 | John Blair | 18 | brother | New Worker | Missouri |
| 21 | Wallace Martin | 80 | head | — | Missouri |
| 22 | Jennie Martin | 72 | wife | — | Missouri |
| 23 | Olin Martin | 37 | son | Farmer | Missouri |
| 24 | Henry Chapman | 20 | grandson | Construction Laborer | Missouri |
| 25 | Lewis Martin | 52 | head | Farmer | Missouri |
| 26 | Pearl Martin | 47 | wife | — | Missouri |
| 27 | John Martin | 16 | son | — | Missouri |
| 28 | Arthur Martin | 14 | son | — | Missouri |
| 29 | Maxine Martin | 10 | daughter | — | Missouri |
| 30 | Nina Martin | 8 | daughter | — | Missouri |
| 31 | Howard Mcclain | 36 | head | Farmer | Missouri |
| 32 | Lalla Mcclain | 41 | wife | — | Missouri |
| 33 | Ira Mcclain | 59 | head | Farmer | Missouri |
| 34 | Addie May Mcclain | 55 | wife | — | Missouri |
| 35 | Jim Elliott | 26 | head | Farmer | Missouri |
| 36 | Jane Cantwell | 40 | head | — | Missouri |
| 37 | James Cantwell | 15 | son | — | Missouri |
| 38 | Cornelia Cantwell | 11 | son | — | Missouri |
| 39 | Jane Cantwell | 8 | daughter | — | Missouri |
| 40 | Wendy Cantwell | 6 | daughter | — | Missouri |
Pedigree Summary
Herbert
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)