DM
Doris Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Doris Martin across the 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Martin |
| Given Name | Doris |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Chester |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Chester |
| Est. Birth Year | ~1923 |
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 Doris | Age | Birth yr |
|---|---|---|---|---|
| Ida Martin | Spouse | — | 43 | ~1897 |
| Muriel Martin | Daughter | — | 14 | ~1926 |
| John Martin | Son | — | 4 | ~1936 |
| Joan Martin | Daughter | — | 9 | ~1931 |
| June Martin | Daughter | — | 12 | ~1928 |
| John Martin | Head | — | 48 | ~1892 |
| Doris Martin | Daughter | — | 17 | ~1923 |
Census Appearances
1930
Delaware, Pennsylvania
Daughter, age 7
Delaware, Pennsylvania · implied b. ~1923 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Doris |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Pennsylvania |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Delaware-County, Pennsylvania
Daughter, age 17
Delaware-County, Pennsylvania · implied b. ~1923 — 7 household members
| Surname | Martin |
| Given Name | Doris |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Chester |
| 1935 Residence (County) | Delaware |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Doris Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Doris Martin
Daughter · 1940 · age 17 · b. ~1923 · Pennsylvania
★ You are viewing this record
Sibling
John Martin
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
June Martin
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Martin
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Muriel Martin
Sibling · 1940 · age 14
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 — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03487-00609)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ethel Brooks | 48 | Wife | — | Pennsylvania |
| 2 | Emory R. Stern | 41 | Head | Machinist | Pennsylvania |
| 3 | Mattie S. Stern | 37 | Wife | — | Pennsylvania |
| 4 | Myrta D. Botte | 55 | Head | — | Pennsylvania |
| 5 | Roi Marshall | 33 | Son | Rigger | Pennsylvania |
| 6 | Helen Marshall | 29 | Daughter | Waitress | Pennsylvania |
| 7 | John Witmer | 25 | Son | Laborer | Pennsylvania |
| 8 | John Dewees | 27 | Head | Chemist | Pennsylvania |
| 9 | Helen Dewees | 23 | Wife | — | Maryland |
| 10 | Jean Dewees | 5 | Daughter | — | Pennsylvania |
| 11 | Jacqueline Dewees | 2 | Daughter | — | Pennsylvania |
| 13 | John E. Martin | 48 | Head | Printer | New Jersey |
| 14 | Ida Martin | 43 | Wife | — | Pennsylvania |
| 15 | Doris Martin THIS PERSON | 17 | Daughter | — | New Jersey |
| 16 | Muriel Martin | 14 | Daughter | — | Pennsylvania |
| 17 | June Martin | 12 | Daughter | — | Pennsylvania |
| 18 | Joan Martin | 9 | Daughter | — | Pennsylvania |
| 19 | John Martin | 4 | Son | — | Pennsylvania |
| 20 | Gerald Barratt | 27 | Head | Laborer | Pennsylvania |
| 21 | Marguerite Barratt | 28 | Wife | — | Pennsylvania |
| 22 | Joan Barratt | 4 | Daughter | — | Pennsylvania |
| 23 | Margaret Briel | 66 | Mother-in-law | — | Luxemburg |
| 24 | Elizabeth Murphy | 53 | Mother | Housekeeper | Northern Ireland |
| 25 | Margaret D. Murphy | 24 | Daughter | Inspector | Scotland |
| 26 | Joseph Murphy | 26 | Son | Painter | Scotland |
| 27 | Ann Murphy | 20 | Daughter | New Worker | Scotland |
| 28 | Cornelius Murphy | 15 | Son | — | Scotland |
| 29 | Reece Thomas | 25 | Head | Runner | Pennsylvania |
| 30 | Anna Thomas | 20 | Wife | — | Pennsylvania |
| 31 | Reece Jr. Thomas | 1 | Son | — | Pennsylvania |
| 32 | Edward Mccafferty | 79 | Head | — | Pennsylvania |
| 33 | Anna Mccafferty | 69 | Wife | — | Pennsylvania |
| 34 | Hannah Mccafferty | 31 | Daughter | File And Tape | Pennsylvania |
| 35 | Mary Mccafferty | 30 | Daughter | Dictaphone | Pennsylvania |
| 36 | Cornelius White | 47 | Head | Sheet Metal | New York |
| 37 | Agnes White | 41 | Wife | — | Pennsylvania |
| 38 | Joan White | 17 | Daughter | — | Pennsylvania |
| 39 | N. Cornelius White | 15 | Son | — | Pennsylvania |
| 40 | Jacob Flood | 47 | Head | Salesman | Pennsylvania |
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)