DM
David Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jackson-County, Missouri
Our Model Tree links this David Martin across the 1930 and 1940 US Censuses in Jackson-County, Missouri (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 10-person household.
Age 15
b. ~1925
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Missouri |
| Surname | Martin |
| Given Name | David E. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Additional Details | |
| Occupation | Delivery Boy |
| Industry | Grocery |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 432 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Delivery Boy |
| Township / Ward | Kansas City |
| Est. Birth Year | ~1925 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Joyce Martin | Daughter | — | 8 | ~1932 |
| Kathryn Martin | Daughter | — | 1 | ~1939 |
| Ada Martin | Daughter | — | 12 | ~1928 |
| Juanita Martin | Daughter | — | 5 | ~1935 |
| Marguerite Martin | Head | — | 32 | ~1908 |
| George Brumfield | Other | — | 29 | ~1911 |
| Warren Martin | Son | — | 3 | ~1937 |
| Rollie Martin | Son | — | 10 | ~1930 |
| David Martin | Son | — | 15 | ~1925 |
| Kenneth Martin | Son | — | 13 | ~1927 |
Census Appearances
1930
Jackson, Missouri
Son, age 5
Jackson, Missouri · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | David |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Jackson-County, Missouri
Son, age 15
Jackson-County, Missouri · implied b. ~1925 — 10 household members
| Surname | Martin |
| Given Name | David E. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Occupation | Delivery Boy |
| Industry | Grocery |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 432 |
| Highest Grade | 6 |
| 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 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 15 · b. ~1925 · Missouri
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Sibling
Joyce Martin
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Martin
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Juanita Martin
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Warren Martin
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ada Martin
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rollie Martin
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn Martin
Sibling · 1940 · age 1
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 — Jackson-County, Missouri
Open full size
1940 US Federal Census — Jackson-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02174-00270)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anthony A. Pecoraro | 18 | son | Stock Boy | Colorado |
| 2 | Vivian Pecoraro | 17 | daughter | — | Colorado |
| 3 | Annabelle Pecoraro | 15 | daughter | — | Colorado |
| 4 | Joette Pecoraro | 13 | daughter | — | Colorado |
| 5 | Irene M. Pecoraro | 9 | daughter | — | Colorado |
| 6 | Howard C. Stumhofer | 45 | head | Laborer | Missouri |
| 7 | Mary C. Stumhofer | 43 | wife | — | Missouri |
| 8 | Hanna Stumhofer | 21 | daughter | — | Missouri |
| 9 | Thelma Stumhofer | 19 | daughter | — | Missouri |
| 10 | Mabel Stumhofer | 17 | daughter | — | Missouri |
| 11 | Howard C. Stumhofer | 10 | son | — | Missouri |
| 12 | Charlene Cochran | 26 | daughter | Seamstress | Missouri |
| 13 | Frank B. Dyson | 68 | head | Superintendent | Illinois |
| 14 | Eva M. Dyson | 67 | wife | — | Kansas |
| 15 | Rowland Durham | 40 | son-in-law | Cattle Buyer | Kansas |
| 16 | Lillian V. Durham | 38 | daughter | — | Nebraska |
| 17 | Andrew B. Casper | 62 | head | Laborer | Missouri |
| 18 | Mary L. Casper | 50 | wife | — | Missouri |
| 19 | Leon F. Christian | 25 | head | Lineman | Missouri |
| 20 | Mary D. Christian | 20 | wife | — | Missouri |
| 21 | Judith E. Christian | 3 | daughter | — | Missouri |
| 22 | Virginia Marvin | 64 | head | — | Indiana |
| 23 | Delbert Marvin | 32 | son | Laborer | Kansas |
| 24 | Beatrice Marvin | 29 | daughter-in-law | Bookkeeper | Minnesota |
| 25 | Jerry G. Marvin | 6 | grand-son | — | Missouri |
| 26 | — | None | — | — | — |
| 27 | Richard D. King | 43 | head | Sales Supervisor | Nebraska |
| 28 | Rachel King | 14 | wife | — | Missouri |
| 29 | Richard E. King | 8 | son | — | Missouri |
| 30 | Marguerite Martin | 32 | head | — | Kansas |
| 31 | David E. Martin THIS PERSON | 15 | son | Delivery Boy | Missouri |
| 32 | Kenneth C. Martin | 13 | son | — | Kansas |
| 33 | Ada C. Martin | 12 | daughter | — | Missouri |
| 34 | Rollie N. Martin | 10 | son | — | Missouri |
| 35 | Joyce L. Martin | 8 | daughter | — | Missouri |
| 36 | Juanita E. Martin | 5 | daughter | — | Missouri |
| 37 | Warren A. Martin | 3 | son | — | Missouri |
| 38 | Kathryn J. Martin | 1 | daughter | — | Missouri |
| 39 | George W. Brumfield | 29 | lodger | Mechanic | Missouri |
| 40 | — | None | — | — | — |
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)