JP
James Powell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this James Powell across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Robert & Margaret — first a son (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Powell |
| Given Name | James R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Swarthmore |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Office Manager |
| Industry | Oil Manufacturer |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1020 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Office Manager |
| Township / Ward | Swarthmore |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Nancy Powell | Daughter | — | 21 | ~1919 |
| Margaret Powell | Head | — | 51 | ~1889 |
| Richard Powell | Son | — | 14 | ~1926 |
| James Powell | Son | — | 25 | ~1915 |
Census Appearances
1920
Delaware, Pennsylvania
Son, age 4
Delaware, Pennsylvania · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Powell |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Delaware, Pennsylvania
Son, age 14
Delaware, Pennsylvania · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Powell |
| Given Name | James R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Delaware-County, Pennsylvania
Son, age 25
Delaware-County, Pennsylvania · implied b. ~1915 — 4 household members
| Surname | Powell |
| Given Name | James R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Swarthmore |
| 1935 Residence (County) | Delaware |
| Occupation | Office Manager |
| Industry | Oil Manufacturer |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1020 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 James Powell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Powell (~0.92 confidence) and mother Margaret Powell (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Powell
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Margaret Powell
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Powell
Son · 1940 · age 25 · b. ~1915 · Pennsylvania
★ You are viewing this record
Sibling
Richard Powell
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Powell
Sibling · 1940 · age 21
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-t0627-03496-00331)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elizabeth E Nittefield | 13 | Daughter | — | Mass |
| 42 | Margaret W Powell | 51 | Head | — | New York |
| 43 | James R Powell THIS PERSON | 25 | Son | Office Manager | Maryland |
| 44 | Nancy C Powell | 21 | Daughter | Saleswoman | Pennsylvania |
| 45 | Richard W Powell | 14 | Son | — | Rhode Island |
| 46 | Henry P Cleaver | 45 | Head | Manager | Delaware |
| 47 | Hannah Y Cleaver | 46 | Wife | — | Pennsylvania |
| 48 | William Y Cleaver | 20 | Son | — | Delaware |
| 49 | Henry P Cleaver | 16 | Son | — | Delaware |
| 50 | Carol M Cleaver | 13 | Daughter | — | New York |
| 51 | Ellis W Yarnall | 82 | Father-in-law | — | Pennsylvania |
| 52 | Grace F Yarnall | 79 | Mother-in-law | — | Pennsylvania |
| 53 | Loring W Batten | 80 | Head | — | New Jersey |
| 54 | Gisuke J Matsubara | 55 | Servant | Servant | Japan |
| 55 | George H Detweiler | 55 | Head | Attorney At Law | Pennsylvania |
| 56 | Edwina M Detweiler | 51 | Wife | — | Pennsylvania |
| 57 | Sylvia E Detweiler | 28 | Daughter | Attorney At Law | Pennsylvania |
| 58 | William Stericker | 44 | Head | Chemist | Colorado |
| 59 | Doris T Stericker | 42 | Wife | — | Mass |
| 60 | Mary-Caroline Stericker | 18 | Daughter | — | Pennsylvania |
| 61 | Franklin B Brown | 44 | Head | Statistician | Maryland |
| 62 | Eva K Brown | 40 | Wife | — | Maryland |
| 63 | Charles S Brown | 17 | Son | — | Maryland |
| 64 | Anne Brown | 15 | Daughter | — | Maryland |
| 65 | Walter R Shoemaker | 53 | Head | Paymaster | Penna |
| 66 | Emma Jane Shoemaker | 54 | Wife | — | Penna |
| 67 | David W Shoemaker | 21 | Son | Retail Salesman | Penna |
| 68 | Margaret J Shoemaker | 19 | Daughter | — | Penna |
| 69 | William C Morrow | 41 | Head | Merchant | California |
| 70 | Ealene C Morrow | 32 | Wife | — | Penna |
| 71 | Patricia Morrow | 9 | Daughter | — | California |
| 72 | William Morrow | 8 | Son | — | Penna |
| 73 | Penelope Morrow | 4 | Daughter | — | Ohio |
| 74 | William N Cadman | 29 | Brother-in-law | Partner & Treasurer | Penna |
| 75 | Eric S Sproat | 54 | Head | Cashier | Penna |
| 76 | Mabel R Sproat | 47 | Wife | — | Penna |
| 77 | Eudora M Sproat | 21 | Daughter | — | Penna |
| 78 | Robert G Haig | 72 | Head | Vice President | Scotland |
| 79 | Agnes H Sheldon | 45 | Daughter | — | England |
| 80 | Julius S Ballard | 30 | Servant | Hunter & Butler | Maryland |
Related Census Records
Pedigree Summary
James + 2 siblings
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)