DM
David Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Chester-County, Pennsylvania
Our Model Tree links this David Martin across the 1920, 1930 and 1940 US Censuses in Chester-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents David & David — first a son (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Chester-County, Pennsylvania |
| Surname | Martin |
| Given Name | David W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Coatesville City |
| 1935 Residence (County) | Chester |
| Additional Details | |
| Occupation | Electrician |
| Industry | Building Construction |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 500 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Electrician |
| Township / Ward | Coatesville City |
| Est. Birth Year | ~1918 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| David Martin | Head | — | 57 | ~1883 |
| Ella Spence | Other | — | 67 | ~1873 |
| David Martin | Son | — | 22 | ~1918 |
Census Appearances
1920
Chester, Pennsylvania
Son, age 2
Chester, Pennsylvania · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | David W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | North Carolina |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Chester, Pennsylvania
Son, age 12
Chester, Pennsylvania · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | David W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | North Carolina |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Chester-County, Pennsylvania
Son, age 22
Chester-County, Pennsylvania · implied b. ~1918 — 3 household members
| Surname | Martin |
| Given Name | David W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Coatesville City |
| 1935 Residence (County) | Chester |
| Occupation | Electrician |
| Industry | Building Construction |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 500 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father David Martin (~0.92 confidence) and father David Martin (~0.92 confidence) and father David Martin (~0.92 confidence) and mother Mary Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Martin
b. ~1880
Source father
● Household
· direct · ~0.92
Father
David Martin
b. ~1881
Source father
● Household
· direct · ~0.92
Father
David Martin
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Mary Martin
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Martin
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
★ 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 — Chester-County, Pennsylvania
Open full size
1940 US Federal Census — Chester-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03464-00445)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael Beach | 32 | Head | Press Feeder | Pennsylvania |
| 2 | Mary Beach | 24 | Wife | — | Pennsylvania |
| 3 | Son Michael | 2 | Son | — | Pennsylvania |
| 4 | Richard Gibney | 25 | Head | Proprietor | Pennsylvania |
| 5 | Mary Gibney | 28 | Wife | — | Pennsylvania |
| 6 | Philip Hoffman | 48 | Head | Attendant | Pennsylvania |
| 7 | Marion Hoffman | 44 | Wife | — | Pennsylvania |
| 8 | Harry Hoffman | 20 | Son | Attendant | Pennsylvania |
| 9 | Harry Lawrence | 46 | Head | Attendant | Pennsylvania |
| 10 | Elizabeth Lawrence | 41 | Wife | — | Pennsylvania |
| 11 | Lillian Daniels | 33 | Head | Hair Dresser | Pennsylvania |
| 12 | James Daniels | 15 | Son | — | Pennsylvania |
| 13 | Natalie Daniels | 25 | Sister | Hair Dresser | Pennsylvania |
| 14 | Edmond Goodwin | 31 | Head | Textile Worker | Pennsylvania |
| 15 | Frank Taylor | 39 | Head | Attendant | Delaware |
| 16 | Lorraine Taylor | 30 | Wife | — | Pennsylvania |
| 17 | Constance Taylor | 3 | Daughter | — | Pennsylvania |
| 18 | Ann O'Brien | 54 | Head | Hair Dresser | Pennsylvania |
| 19 | Richard Smyth | 43 | Head | Inspector | Pennsylvania |
| 20 | Marie Smyth | 42 | Wife | — | Pennsylvania |
| 21 | Jeanne Smyth | 17 | Daughter | — | Pennsylvania |
| 22 | Marie Catherine Smyth | 10 | Daughter | — | Pennsylvania |
| 23 | Ida Denithorne | 55 | Head | — | Pennsylvania |
| 24 | Richard Denithorne | 32 | Son | Inspector | Pennsylvania |
| 25 | Arthur Denithorne | 28 | Son | Inspector | Pennsylvania |
| 26 | Ida M Denithorne | 24 | Daughter | — | Pennsylvania |
| 27 | Sandra Denithorne | 2 | Granddaughter | — | Pennsylvania |
| 28 | David K Martin | 57 | Head | Electrician | Pennsylvania |
| 29 | David W Martin THIS PERSON | 22 | Son | Electrician | Pennsylvania |
| 30 | Ella Spence | 67 | Lodger | Baking | Maryland |
| 31 | Bertha Gates | 68 | Head | — | New Jersey |
| 32 | Jacqueline Kellon | 15 | Granddaughter | — | Pennsylvania |
| 33 | Gilbert Schoffstall | 34 | Head | Salesman | Pennsylvania |
| 34 | Ruth Schoffstall | 40 | Wife | — | Pennsylvania |
| 35 | Michael Monko | 27 | Head | Attendant | Pennsylvania |
| 36 | Margaret Monko | 23 | Wife | Sewer | Pennsylvania |
| 37 | Elmer E Stuber | 54 | Head | Inspector On Railroad | Pennsylvania |
| 38 | Catherine Stuber | 44 | Wife | — | Delaware |
| 39 | J. Malcolm Stuber | 25 | Son | Teacher | Pennsylvania |
| 40 | Raymond C Messick | 46 | Head | Chiropractor | Pennsylvania |
Pedigree Summary
David
Gen 1 · 4 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)