EM
Eva Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Pennsylvania
Our Model Tree links this Eva Martin across the 1920, 1930 and 1940 US Censuses in Washington-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Boyd & Boyd — first a daughter (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Pennsylvania |
| Surname | Martin |
| Given Name | Eva |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bentleyville Boro |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Bentleyville Boro |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Eva | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Martin | Daughter | — | 24 | ~1916 |
| Boyd Martin | Head | — | 44 | ~1896 |
| Eva Martin | Daughter | — | 22 | ~1918 |
| Glenn Martin | Son | — | 14 | ~1926 |
Census Appearances
1920
Washington, Pennsylvania
Daughter, age 2
Washington, Pennsylvania · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Eva |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Washington, Pennsylvania
Daughter, age 11
Washington, Pennsylvania · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Eva E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Washington-County, Pennsylvania
Daughter, age 22
Washington-County, Pennsylvania · implied b. ~1918 — 4 household members
| Surname | Martin |
| Given Name | Eva |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bentleyville Boro |
| 1935 Residence (County) | Washington |
| Highest Grade | Hs 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 Eva Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Boyd Martin (~0.92 confidence) and father Boyd Martin (~0.92 confidence) and father Edward Martin (~0.92 confidence) and father John Martin (~0.83 confidence) and mother Elizabeth Martin (~0.83 confidence) and mother Elda Martin (~0.92 confidence). The pedigree spans 2 generations with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.89
Father
Boyd Martin
b. ~1896
Source father
● Household
· direct · ~0.92
Father
Boyd Martin
b. ~1896
Source father
● Household
· direct · ~0.92
Father
Edward Martin
b. ~1882
Source father
● Household
· direct · ~0.92
Father
John Martin
b. ~1873
Source father>father
● Household
· direct · ~0.83
Mother
Elizabeth Martin
b. ~1874
Source father>mother
● Household
· direct · ~0.83
Mother
Elda Martin
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Eva Martin
Daughter · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Glenn Martin
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Martin
Sibling · 1940 · age 24
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 — Washington-County, Pennsylvania
Open full size
1940 US Federal Census — Washington-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03620-00168)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gladys Harris | 10 | Daughter | — | Pennsylvania |
| 42 | Boyd Martin | 44 | Head | Salesman | Pennsylvania |
| 43 | Elizabeth Martin | 24 | Daughter | Stenographer | Pennsylvania |
| 44 | Eva Martin THIS PERSON | 22 | Daughter | — | Pennsylvania |
| 45 | Glenn Martin | 14 | Son | — | Pennsylvania |
| 46 | Peter B. Crowe | 46 | Head | — | Pennsylvania |
| 47 | Albert N. Crowe | 18 | Son | — | Pennsylvania |
| 48 | Harvey Robinson | 81 | Head | — | Pennsylvania |
| 49 | William Petrick | 31 | Head | Miner | Germany |
| 50 | Helen Grace Petrick | 30 | Wife | — | Pennsylvania |
| 51 | William R. Petrick | 9 | Son | — | Pennsylvania |
| 52 | Helen Grace Petrick | 7 | Daughter | — | Pennsylvania |
| 53 | Alice Petrick | 1 | Daughter | — | Pennsylvania |
| 54 | Annabelle Schemcheck | 60 | Head | — | Slovakia |
| 55 | Margaret Schemcheck | 24 | Daughter | Servant | Pennsylvania |
| 56 | Mary Schemcheck | 22 | Daughter | Servant | Pennsylvania |
| 57 | Helen Schemcheck | 19 | Daughter | New Worker | Pennsylvania |
| 58 | George Booth | 75 | Head | — | Pennsylvania |
| 59 | Indiana Booth | 65 | Wife | — | Pennsylvania |
| 60 | Arthur Booth | 31 | Head | Laborer | Pennsylvania |
| 61 | Elizabeth Booth | 20 | Wife | — | Pennsylvania |
| 62 | Nick Turkol | 46 | Head | Miner | Yugoslavia |
| 63 | Adolph Stankus | 58 | Head | Miner | Czechoslovakia |
| 64 | Josephine Stankus | 57 | Wife | — | Czechoslovakia |
| 65 | John Stankus | 16 | Son | — | Pennsylvania |
| 66 | Velma Stankus | 13 | Daughter | — | Pennsylvania |
| 67 | Jerry Stankus | 24 | Head | Miner | Czechoslovakia |
| 68 | Annie Stankus | 19 | Wife | — | Pennsylvania |
| 69 | Jerry Stankus | 1 | Son | — | Pennsylvania |
| 70 | Peter Vlainich | 55 | Head | Miner | Yugoslavia |
| 71 | Wilma Vlainich | 45 | Wife | — | Yugoslavia |
| 72 | Milles Vlainich | 18 | Son | — | Pennsylvania |
| 73 | Katherine Vlainich | 17 | Daughter | — | Pennsylvania |
| 74 | Steven Vlainich | 27 | Head | Mechanic | Yugoslavia |
| 75 | Jessie Vlainich | 21 | Wife | Waitress | Pennsylvania |
| 76 | Rev. A. J. Carr | 74 | Head | Minister | Missouri |
| 77 | Mary H. Carr | 65 | Wife | — | Pennsylvania |
| 78 | Ople Keith Weir | 40 | Head | Pressure Man | Pennsylvania |
| 79 | Irene Weir | 36 | Wife | — | Pennsylvania |
| 80 | Vaughn Weir | 14 | Son | — | Pennsylvania |
Pedigree Summary
Eva + 2 siblings
Gen 1 · 4 parents
~0.92
Gen 2 · 2 grandparents
~0.83
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)