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Mary West — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary West across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Wm & William — first a daughter (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Female
Daughter
Born: Delaware
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | West |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | PHILA |
| Additional Details | |
| Occupation | School Teacher |
| Industry | Private School |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 54 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Occupation | Teacher |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1917 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary West | Daughter | — | 23 | ~1917 |
| Wm West | Head | — | 52 | ~1888 |
| Joseph West | Son | — | 25 | ~1915 |
| Muriel West | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Philadelphia, Pennsylvania
Daughter, age 3
Philadelphia, Pennsylvania · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | West |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
Philadelphia, Pennsylvania
Daughter, age 13
Philadelphia, Pennsylvania · implied b. ~1917 — 20 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | West |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
Philadelphia-County, Pennsylvania
Daughter, age 23
Philadelphia-County, Pennsylvania · implied b. ~1917 — 4 household members
| Surname | West |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | PHILA |
| Occupation | School Teacher |
| Industry | Private School |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 54 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
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 Mary West across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Wm West (~0.92 confidence) and father William West (~0.92 confidence) and mother Muriel West (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Wm West
b. ~1888
Source father
● Household
· direct · ~0.92
Father
William West
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Muriel West
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary West
Daughter · 1940 · age 23 · b. ~1917 · Pennsylvania
★ You are viewing this record
Sibling
Joseph West
Sibling · 1940 · age 25
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03692-00577)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alice M. Dale | 54 | Head | Dressmaker | Penna |
| 42 | Emma S. Chambers | 69 | Head | — | New Jersey |
| 43 | Jos. M. Tiarnolo | 29 | Lodger | Credit Mgr | Illinois |
| 44 | John B. Cavinato | 52 | Lodger | Salesman | Italy |
| 45 | Edward Jos Kenny | 59 | Head | Teacher | England |
| 46 | Wm. R. West | 52 | Head | Real Estate | Delaware |
| 47 | Muriel West | 49 | Wife | — | Maryland |
| 48 | Joseph West | 25 | Son | Real Estate | Delaware |
| 49 | Mary West THIS PERSON | 23 | Daughter | School Teacher | Delaware |
| 50 | Raymond Donoghue | 40 | Head | Bartender | Penna |
| 51 | Mary H Dinshore | 65 | Head | — | Penna |
| 52 | Kathryn Dinshore | 78 | Sister | — | Penna |
| 53 | R. Phil Connolly | 62 | Head | Investigator | Penna |
| 54 | Minnie E Mumnia | 67 | Head | Clerk | Penna |
| 55 | Margaret Murray | 50 | Head | Saleslady | Penna |
| 56 | Pakechir Sleeve | 59 | Lodger | Clerk | Syria |
| 57 | Arthur West | 51 | Head | Nurse | Delaware |
| 58 | Elizabeth West | 51 | Wife | Bartender | Penna |
| 59 | Isabel Longstreet | 61 | Head | — | New Jersey |
| 60 | Jennie Lynn | 66 | Head | — | Ireland |
| 61 | Eliz. Gallagher | 61 | Head | Teacher | Penna |
| 62 | Irma B. Kesony | 32 | Head | Sewing | Hungary |
| 63 | Goldy M. Wilks | 40 | Head | Manager | W. Virginia |
| 64 | Chas Custer | 28 | Lodger | Timekeeper | Penna |
| 65 | Arthur Freeman | 36 | Head | Piano Tuner | Mass |
| 66 | Blanche Freeman | 40 | Wife | — | Canada |
| 67 | Marilyn Freeman | 16 | Daughter | — | Mass |
| 68 | Elizabeth Wentz | 54 | Head | Clerk | Penna |
| 69 | Mary Mcgoldrick | 55 | Head | Housework | Ireland |
| 70 | Theresa Mcgoldrick | 57 | Sister | Housework | Ireland |
| 71 | J. Walter Lloyd | 56 | Lodger | Salesman | Penna |
| 72 | Jesse G Evans | 50 | Head | Bookkeeper | Virginia |
| 73 | Favier Delorme | 36 | Head | Tool Maker | Wisconsin |
| 74 | Phoebe Champion | 72 | Head | Corset Alter. | New Jersey |
| 75 | Robert Tresdale | 29 | Lodger | Clerk | Penna |
| 76 | Isaac Griffiths | 53 | Lodger | — | Penna |
| 77 | Gladys Bower | 26 | Head | Salesgirl | Penna |
| 78 | Jean Halen | 69 | Head | Maid | New Jersey |
| 79 | Grace R. Lorah | 59 | Head | Typist | Penna |
| 80 | Alathea Horton | 39 | Head | — | New York |
Related Census Records
Pedigree Summary
Mary + 1 sibling
Gen 1 · 3 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)