MP
Martha Parker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Westmoreland-County, Pennsylvania
Our Model Tree links this Martha Parker across the 1930 and 1940 US Censuses in Westmoreland-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 5-person household.
Age 14
b. ~1926
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Westmoreland-County, Pennsylvania |
| Surname | Parker |
| Given Name | Martha J. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Vandergrift |
| 1935 Residence (County) | Westmoreland |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Vandergrift |
| Est. Birth Year | ~1926 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Betty Parker | Daughter | — | 8 | ~1932 |
| Elsie Parker | Spouse | — | 37 | ~1903 |
| George Parker | Head | — | 39 | ~1901 |
| Martha Parker | Daughter | — | 14 | ~1926 |
| Mary Parker | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Westmoreland, Pennsylvania
Other, age 4
Westmoreland, Pennsylvania · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Martha J. |
| Relationship to Head | Gr. Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Westmoreland-County, Pennsylvania
Daughter, age 14
Westmoreland-County, Pennsylvania · implied b. ~1926 — 5 household members
| Surname | Parker |
| Given Name | Martha J. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Vandergrift |
| 1935 Residence (County) | Westmoreland |
| Highest Grade | No 7 |
| 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 Martha Parker across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Parker
Daughter · 1940 · age 14 · b. ~1926 · Pennsylvania
★ You are viewing this record
Sibling
Betty Parker
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Parker
Sibling · 1940 · age 13
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 — Westmoreland-County, Pennsylvania
Open full size
1940 US Federal Census — Westmoreland-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03639-00041)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Stella Waugaman | 46 | daughter | — | Pennsylvania |
| 42 | Blanche Waugaman | 36 | daughter | Art Teacher | Pennsylvania |
| 43 | John Ferguson | 35 | lodger | Waiter | Pennsylvania |
| 44 | William Deamon | 35 | lodger | Oiler-Boss | North Carolina |
| 45 | Romer Marcell | 34 | lodger | Inspector | Pennsylvania |
| 46 | Franklin Beck | 75 | lodger | Sales | Pennsylvania |
| 47 | Edward Stirling | 40 | head | Manager | Illinois |
| 48 | Jane O. Stirling | 38 | wife | — | Pennsylvania |
| 49 | Edward Jr. Stirling | 14 | son | — | Pennsylvania |
| 50 | Charles Owens | 62 | head | — | Pennsylvania |
| 51 | Maude Owens | 60 | wife | — | Pennsylvania |
| 52 | Jennie Owens | 30 | daughter | History Teacher | Pennsylvania |
| 53 | George W. Parker | 39 | head | Laborer | Pennsylvania |
| 54 | Elsie B. Parker | 37 | wife | — | Pennsylvania |
| 55 | Martha J. Parker THIS PERSON | 14 | daughter | — | Pennsylvania |
| 56 | Mary L. Parker | 13 | daughter | — | Pennsylvania |
| 57 | Betty M. Parker | 8 | daughter | — | Pennsylvania |
| 58 | Harold Gass | 25 | head | Industrial Engineer | Pennsylvania |
| 59 | Mary Ruth Gass | 25 | wife | Teacher | Ohio |
| 60 | Frank J. Christie | 49 | head | Superintendent Of Plant | Pennsylvania |
| 61 | Gertrude Christie | 48 | wife | — | Pennsylvania |
| 62 | Margaret Michael | 40 | head | Saleslady | Indiana |
| 63 | Billy Michael | 20 | son | Laborer | Indiana |
| 64 | James Michael | 18 | son | Laborer | Indiana |
| 65 | Pat Michael | 14 | son | — | Indiana |
| 66 | Sharon Michael | 9 | daughter | — | Pennsylvania |
| 67 | Harold Smart | 56 | head | Night Watchman | Maine |
| 68 | Nell Kelsea | 43 | servant | Servant | Pennsylvania |
| 69 | Clark Zimmerman | 35 | head | Acetylene Burner | Pennsylvania |
| 70 | Loretta Zimmerman | 36 | wife | — | Pennsylvania |
| 71 | Nancy Zimmerman | 17 | daughter | — | Pennsylvania |
| 72 | Howard Zimmerman | 15 | son | — | Pennsylvania |
| 73 | Harold Zimmerman | 15 | son | — | Pennsylvania |
| 74 | Stanley Oyler | 22 | lodger | Laborer | Pennsylvania |
| 75 | Richard Young | 24 | lodger | Loader & Helper | Pennsylvania |
| 76 | Maxwell Reefer | 24 | head | Laborer | Pennsylvania |
| 77 | Vivian Reefer | 24 | wife | — | Pennsylvania |
| 78 | Norman Reefer | 12 | son | — | Pennsylvania |
| 79 | Wilbert Gary Harold | 43 | head | Manager | Pennsylvania |
| 80 | I. Rae Harold | 35 | wife | — | 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)