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Henry Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Grand-Isle-County, Vermont
Our Model Tree links this Henry Martin across the 1920, 1930 and 1940 US Censuses in Grand-Isle-County, Vermont (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 11-person household.
Age 54
b. ~1886
Male
Head
Born: Connecticut
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Grand-Isle-County, Vermont |
| Surname | Martin |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | Grand Isle Town |
| 1935 Residence (County) | Grand Isle |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 22 |
| Income (1939) | 240 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Occupation | Farm Laborer |
| Township / Ward | Grand Isle Town |
| Est. Birth Year | ~1886 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| Lilith Wilcox | Daughter | — | 19 | ~1921 |
| Henry Martin | Head | — | 54 | ~1886 |
| Merville Coolidge | Other | — | 5 | ~1935 |
| Hayden Blow | Other | — | 38 | ~1902 |
| Althea Wilcox | Other | — | 3 | ~1937 |
| Harold Wilcox | Other | — | 26 | ~1914 |
| Hyde Blow | Other | — | 65 | ~1875 |
| Mervin Coolidge | Other | — | 8 | ~1932 |
| Leland Martin | Son | — | 19 | ~1921 |
| Rodney Martin | Son | — | 31 | ~1909 |
| Lizzie Martin | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Grand Isle, …
Head, age 34
Grand Isle, Vermont · implied b. ~1886 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Henry L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1930
Grand Isle, …
Head, age 44
Grand Isle, Vermont · implied b. ~1886 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Age at First Marriage | 21 |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1940
Grand-Isle-County, Vermont
Head, age 54
Grand-Isle-County, Vermont · implied b. ~1886 — 11 household members
| Surname | Martin |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | Grand Isle Town |
| 1935 Residence (County) | Grand Isle |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 22 |
| Income (1939) | 240 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
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 Henry Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Henry Martin
Head · 1940 · age 54 · b. ~1886 · Vermont
★ 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 — Grand-Isle-County, Vermont
Open full size
1940 US Federal Census — Grand-Isle-County, Vermont
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04233-00056)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emma Blow | 16 | Sister-in-law | — | Vermont |
| 2 | Stanley Dubuque | 32 | Head | Farm Laborer | Vermont |
| 3 | May Dubuque | 30 | Wife | — | Vermont |
| 4 | Pauline Dubuque | 11 | Daughter | — | Vermont |
| 5 | Helen Dubuque | 9 | Daughter | — | Vermont |
| 6 | Frederick Dubuque | 5 | Son | — | Vermont |
| 7 | Charlotte Dubuque | 3 | Daughter | — | Vermont |
| 8 | Etta Dubuque | 73 | Mother | — | Vermont |
| 9 | William H. Blow | 58 | Head | Farm Laborer | Vermont |
| 10 | Martha Blow | 45 | Wife | — | Vermont |
| 11 | Edward Blow | 24 | Son | Farm Laborer | Vermont |
| 12 | William Blow | 11 | Son | — | Vermont |
| 13 | Eugene Blow | 5 | Son | — | Vermont |
| 14 | Eva Blow | 12 | Daughter | — | Vermont |
| 15 | Mary Blow | 77 | Head | — | New York |
| 16 | Peter Burnet | 73 | Brother | — | New York |
| 17 | Arthur Parizo | 58 | Head | Farmer | Vermont |
| 18 | Eliza Parizo | 51 | Wife | — | New York |
| 19 | Madge Parizo | 13 | Daughter | — | Vermont |
| 20 | Florence Terry | 5 | Niece | — | Vermont |
| 21 | John Wondle | 68 | Head | Farmer | Vermont |
| 22 | Mirtha Wondle | 60 | Wife | — | Vermont |
| 23 | Edson Cross | 61 | Head | Laborer | Vermont |
| 24 | Lydia Cross | 61 | Wife | 32 | Vermont |
| 25 | Robert Terry | 9 | Foster child | — | Vermont |
| 26 | Henry Martin THIS PERSON | 54 | Head | Farm Laborer | Connecticut |
| 27 | Lizzie Martin | 55 | Wife | 147 | Vermont |
| 28 | Hayden Blow | 38 | Step-son | Section Hand | Vermont |
| 29 | Rodney Martin | 31 | Son | Section Hand | Vermont |
| 30 | Leland Martin | 19 | Son | Section Hand | Vermont |
| 31 | Harold Wilcox | 26 | Son-in-law | Farm Laborer | Vermont |
| 32 | Lilith Wilcox | 19 | Daughter | — | Vermont |
| 33 | Althea Wilcox | 3 | Granddaughter | — | Vermont |
| 34 | Mervin Coolidge | 8 | Grand-son | — | Vermont |
| 35 | Merville Coolidge | 5 | Grand-son | — | Vermont |
| 36 | Hyde Blow | 65 | In-law | Farm Laborer | Vermont |
| 37 | George Caswell | 32 | Head | Farm | Vermont |
| 38 | Dora Caswell | 31 | Wife | — | Vermont |
| 39 | Gwendolyn Caswell | 2 | Daughter | — | Vermont |
| 40 | Janice Caswell | 0 | Daughter | — | Vermont |
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)