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Eugene Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Eugene Martin across the 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Martin |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Denver City |
| Est. Birth Year | ~1927 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Eugene | Age | Birth yr |
|---|---|---|---|---|
| Elmer Martin | Son | — | 11 | ~1929 |
| Elmer Martin | Head | — | 40 | ~1900 |
| John Martin | Son | — | 1 | ~1939 |
| Eugene Martin | Son | — | 13 | ~1927 |
| Barbara Martin | Daughter | — | 6 | ~1934 |
| Lema Martin | Spouse | — | 33 | ~1907 |
| Betty Martin | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Denver, Colorado
Son, age 3
Denver, Colorado · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martens |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Mexican |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Son, age 13
Denver-County, Colorado · implied b. ~1927 — 7 household members
| Surname | Martin |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City |
| 1935 Residence (County) | Denver |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Eugene Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Eugene Martin
Son · 1940 · age 13 · b. ~1927 · Colorado
★ You are viewing this record
Sibling
Barbara Martin
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Martin
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Martin
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Martin
Sibling · 1940 · age 11
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 — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00485-00664)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rowena Geary | 20 | Wife | — | Kansas |
| 2 | Lawrence Jr Geary | 2 | Son | — | Colorado |
| 3 | Gerald Turner | 46 | Head | Camp Curator | Illinois |
| 4 | Catherine Turner | 41 | Wife | — | Illinois |
| 5 | William Turner | 19 | Son | — | Illinois |
| 6 | Barbara Turner | 16 | Daughter | — | Illinois |
| 7 | James Turner | 14 | Son | — | Illinois |
| 8 | Roger Turner | 3 | Son | — | Illinois |
| 9 | Mary Canny | 53 | Head | — | Kansas |
| 10 | Robert Canny | 27 | Son | Librarian | Colorado |
| 11 | John B Canny | 25 | Son | Shipping Clerk | Colorado |
| 12 | Francis Canny | 21 | Son | Truck Driver | Colorado |
| 13 | Donald Canny | 18 | Son | — | New Mexico |
| 14 | James Canny | 13 | Son | — | Colorado |
| 15 | Vergil Phillips | 37 | Head | Superintendent | Illinois |
| 16 | Winifred Phillips | 28 | Wife | — | Kansas |
| 17 | Isabel Phillips | 14 | Daughter | — | Colorado |
| 18 | Dorothy Phillips | 3 | Daughter | — | Colorado |
| 19 | James F Kinney | 75 | Head | — | Iowa |
| 20 | Josephine Kinney | 61 | Wife | — | Iowa |
| 21 | John J Dean | 47 | Head | Salesman | Colorado |
| 22 | Ruth M Dean | 43 | Wife | — | South Dakota |
| 23 | Dorothy Sharp | 31 | Sister in law | Stenographer | South Dakota |
| 24 | Christian Nielsen | 57 | Head | Clerk | Denmark |
| 25 | Catherine Nielsen | 49 | Wife | — | Ohio |
| 26 | Thomas Munley | 52 | Head | Laborer | Ireland |
| 27 | Extra Line | None | — | — | — |
| 28 | Isaac A Wood | 75 | Head | — | Illinois |
| 29 | George Tillman | 45 | Head | Carpenter | Pennsylvania |
| 30 | Laura E Tillman | 42 | Wife | — | South Dakota |
| 31 | George Jr Tillman | 22 | Son | Carpenter | Colorado |
| 32 | End Of Block 34 | None | — | — | — |
| 33 | Elmer Martin | 40 | Head | Laborer | Iowa |
| 34 | Lema Martin | 33 | Wife | — | Colorado |
| 35 | Eugene Martin THIS PERSON | 13 | Son | — | Colorado |
| 36 | Betty Martin | 12 | Daughter | — | Colorado |
| 37 | Elmer Jr Martin | 11 | Son | — | Colorado |
| 38 | Barbara Martin | 6 | Daughter | — | Colorado |
| 39 | John Martin | 1 | Son | — | Colorado |
| 40 | Ellen Martin | 76 | Head | — | England |
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)