MP
Mary Powers — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Mary Powers across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Harry & Mary — first a daughter (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Powers |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Prospect Park Borough |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Clerk |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 936 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Prospect Park Borough |
| Est. Birth Year | ~1915 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Powers | Daughter | — | 25 | ~1915 |
| Mary Powers | Head | — | 53 | ~1887 |
| Aaron Powers | Son | — | 27 | ~1913 |
Census Appearances
1920
Delaware, Pennsylvania
Daughter, age 4
Delaware, Pennsylvania · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Powers |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Delaware, Pennsylvania
Daughter, age 15
Delaware, Pennsylvania · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Powers |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| 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
Delaware-County, Pennsylvania
Daughter, age 25
Delaware-County, Pennsylvania · implied b. ~1915 — 3 household members
| Surname | Powers |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Prospect Park Borough |
| 1935 Residence (County) | Delaware |
| Occupation | Clerk |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 936 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 Mary Powers across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Powers (~0.92 confidence) and mother Mary Powers (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Powers
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Mary Powers
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Powers
Daughter · 1940 · age 25 · b. ~1915 · Pennsylvania
★ You are viewing this record
Sibling
Aaron Powers
Sibling · 1940 · age 27
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
40 people indexed on this census page (nara:1940:m-t0627-03494-00530)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arthur F. Brown | 45 | Head | Executive | Pennsylvania |
| 2 | Mildred (K) Brown | 45 | Wife | — | Pennsylvania |
| 3 | Robert A. Brown | 20 | Son | Helper | Pennsylvania |
| 4 | Ben W. Kline | 59 | Head | Engineer | Pennsylvania |
| 5 | Ethel M. (K) Kline | 59 | Wife | — | Pennsylvania |
| 6 | Lyman Talcott | 65 | Head | Register Of Bonds | New Jersey |
| 7 | Amanda (K) Talcott | 65 | Wife | — | Pennsylvania |
| 8 | John (K) Colwell | 70 | Head | Secretary | Pennsylvania |
| 9 | Alma B. Colwell | 69 | Wife | — | Pennsylvania |
| 10 | Julius J. Latz | 47 | Head | Clerk | Pennsylvania |
| 11 | Mary S. (K) Latz | 47 | Wife | — | Pennsylvania |
| 12 | Charlotte Latz | 13 | Daughter | — | Pennsylvania |
| 13 | Anita Good | 42 | Boarder | File Clerk | Pennsylvania |
| 14 | Karl Applegarth | 50 | Head | Draftsman | Pennsylvania |
| 15 | Mabel (K) Applegarth | 45 | Wife | — | Pennsylvania |
| 16 | John R. 3Rd Rice | 25 | Head | Operator | Pennsylvania |
| 17 | Jeanette S. (K) Rice | 25 | Wife | Secretary | Pennsylvania |
| 18 | Mary (K) Powers | 53 | Head | — | Pennsylvania |
| 19 | Aaron Powers | 27 | Son | Mole Loft | Pennsylvania |
| 20 | Mary Powers THIS PERSON | 25 | Daughter | Clerk | Pennsylvania |
| 21 | Clarence Edwards | 66 | Head | Carpenter | Pennsylvania |
| 22 | Elizabeth (K) Edwards | 65 | Wife | — | England |
| 23 | Richard Trickett | 39 | Head | Inspector | New Jersey |
| 24 | Alice (K) Trickett | 38 | Wife | — | Pennsylvania |
| 25 | Lois Ann Trickett | 10 | Daughter | — | Pennsylvania |
| 26 | Forrest L. Garrison | 44 | Head | Ironer | Texas |
| 27 | Mamie (K) Garrison | 38 | Wife | — | Texas |
| 28 | Forrest Jr. Garrison | 18 | Son | — | Arkansas |
| 29 | Phyllis Garrison | 15 | Daughter | — | Arkansas |
| 30 | Elizabeth Ann Garrison | 1 | Daughter | — | Pennsylvania |
| 31 | Henry Prescott | 43 | Head | Tool Maker | Pennsylvania |
| 32 | Mollie (K) Prescott | 39 | Wife | — | Pennsylvania |
| 33 | Henry Jr. Prescott | 3 | Son | — | Pennsylvania |
| 34 | David J. Prescott | 0 | Son | — | Pennsylvania |
| 35 | — | 66 | Mother | — | Germany |
| 36 | Erasmus Wilson | 66 | Head | Asst. Superintendent | Pennsylvania |
| 37 | Mabel (K) Wilson | 62 | Wife | — | Pennsylvania |
| 38 | Gertrude Wilson | 32 | Daughter | Clerk | Pennsylvania |
| 39 | Gladys E. Wilson | 29 | Daughter | Waitress | Pennsylvania |
| 40 | Ambrose Smith | 66 | Head | Carpenter | Pennsylvania |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 2 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)