DM
David Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cortland-County, New York
Our Model Tree links this David Martin across the 1930 and 1940 US Censuses in Cortland-County, New York (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 9-person household.
Age 23
b. ~1917
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cortland-County, New York |
| Surname | Martin |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Marathon Township |
| 1935 Residence (County) | Cortland |
| Additional Details | |
| Occupation | Fireman |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 600 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Fireman |
| Township / Ward | Marathon Township |
| Est. Birth Year | ~1917 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Jessie Martin | Daughter | — | 13 | ~1927 |
| Beverly Martin | Daughter | — | 6 | ~1934 |
| Beatrice Martin | Daughter | — | 4 | ~1936 |
| Laura Martin | Daughter | — | 3 | ~1937 |
| Shirley Martin | Daughter | — | 10 | ~1930 |
| Doris Martin | Daughter | — | 17 | ~1923 |
| Claude Martin | Head | — | 46 | ~1894 |
| David Martin | Son | — | 23 | ~1917 |
| Irene Martin | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Cortland, New …
Son, age 13
Cortland, New York · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Cortland-County, New …
Son, age 23
Cortland-County, New York · implied b. ~1917 — 9 household members
| Surname | Martin |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Marathon Township |
| 1935 Residence (County) | Cortland |
| Occupation | Fireman |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 600 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 David Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
David Martin
Son · 1940 · age 23 · b. ~1917 · New York
★ You are viewing this record
Sibling
Jessie Martin
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Martin
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Martin
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beverly Martin
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Laura Martin
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Martin
Sibling · 1940 · age 10
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 — Cortland-County, New York
Open full size
1940 US Federal Census — Cortland-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02520-00815)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arthur Wall | 60 | Head | Farmer | New York |
| 2 | Florence Wall | 54 | Wife | — | New York |
| 3 | Ward Hall | 49 | Head | Farm Manager | New York |
| 4 | Anna Hall | 42 | Wife | — | New York |
| 5 | Edward Bennett | 75 | Father-in-law | — | New York |
| 6 | Stella Bennett | 75 | Mother-in-law | — | Pennsylvania |
| 7 | Eugene Coke | 55 | Head | Wire Weaver | Mass. |
| 8 | Richard Coke | 54 | Brother | Wire Weaver | Mass. |
| 9 | Agustus Johnson | 55 | Head | Farmer | New York |
| 10 | Enza Johnson | 45 | Wife | — | New York |
| 11 | Russel Foster | 21 | Hired man | Farm Laborer | New York |
| 12 | Tom Caskey | 35 | Boarder | Wire Weaver | New York |
| 13 | Everett Burrows | 31 | Head | Farmer | New York |
| 14 | Theresa Burrows | 27 | Wife | — | New York |
| 15 | Dorothy Burrows | 6 | Daughter | — | New York |
| 16 | Ronald Burrows | 1 | Son | — | New York |
| 17 | Clayton Simpson | 18 | Hired man | Farm Laborer | New York |
| 18 | Claude P. Smith | 53 | Head | Night Watchman | Michigan |
| 19 | Lottie C. Smith | 66 | Wife | — | New York |
| 20 | Lloyd Morgan | 68 | Head | Farm Manager | New York |
| 21 | Carrie Morgan | 61 | Wife | — | New York |
| 22 | Ross Houghlin | 55 | Son | Farmer | New York |
| 23 | Bernice Houghlin | 25 | Daughter | — | New York |
| 24 | Raymond English | 8 | Step son | — | New York |
| 25 | William English | 6 | Step son | — | New York |
| 26 | Lloyd Uroman | 21 | Hired man | Farm Laborer | New York |
| 27 | Sherman Dishow | 68 | Hired man | Farm Laborer | North Dakota |
| 28 | Clair Everett | 20 | Hired man | Farm Laborer | Pennsylvania |
| 29 | Claude Martin | 46 | Head | Farmer | New York |
| 30 | Irene Martin | 43 | Wife | — | New York |
| 31 | David Martin THIS PERSON | 23 | Son | Fireman | New York |
| 32 | Doris Martin | 17 | Daughter | — | New York |
| 33 | Jessie Martin | 13 | Daughter | — | New York |
| 34 | Shirley Martin | 10 | Daughter | — | New York |
| 35 | Beatrice Martin | 4 | Daughter | — | New York |
| 36 | Beverly Martin | 6 | Daughter | — | New York |
| 37 | Laura Martin | 3 | Daughter | — | New York |
| 38 | Frank Fitch | 67 | Head | — | Pennsylvania |
| 39 | Etta Fitch | 62 | Wife | — | Pennsylvania |
| 40 | Oscar Mccracken | 11 | Grand son | — | Pennsylvania |
Related Census Records
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)