RP
Robert Perry — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Robert Perry across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Robert & Robert — first a son (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Perry |
| Given Name | Robert P., Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | House electrician |
| Industry | Electrical contractor |
| Class of Worker | PW |
| Hours Worked | 5 |
| Income (1939) | 378 |
| Highest Grade | H-2 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | House Electrician |
| Township / Ward | Yeadon |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Florence Perry | Daughter | — | 21 | ~1919 |
| Mary Perry | Daughter | — | 17 | ~1923 |
| Robert Perry | Head | — | 45 | ~1895 |
| Robert Perry | Son | — | 22 | ~1918 |
| James Perry | Son | — | 20 | ~1920 |
| Florence Perry | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 2
Philadelphia, Pennsylvania · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perry |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 12
Philadelphia, Pennsylvania · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perry |
| Given Name | Robert F. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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
Son, age 22
Delaware-County, Pennsylvania · implied b. ~1918 — 6 household members
| Surname | Perry |
| Given Name | Robert P., Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | House electrician |
| Industry | Electrical contractor |
| Class of Worker | PW |
| Hours Worked | 5 |
| Income (1939) | 378 |
| Highest Grade | H-2 |
| 1935 Residence | Pennsylvania |
| 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 Robert Perry across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Perry (~0.92 confidence) and father Robert Perry (~0.92 confidence) and mother Florence Perry (~0.92 confidence) and father Robert Perry (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Perry
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Robert Perry
b. ~1897
Source father
● Household
· direct · ~0.92
Mother
Florence Perry
b. ~1898
Source mother
● Household
· direct · ~0.92
Father
Robert Perry
b. ~1898
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Perry
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Florence Perry
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Perry
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Perry
Sibling · 1940 · age 17
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-t0627-03498-00770)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elizabeth M. Dundee | 36 | Wife | Bill Clerk | Pennsylvania |
| 42 | Marian A. Dundee | 16 | Daughter | — | Pennsylvania |
| 43 | Paul A. Mcmeisky | 39 | Head | Manager | Pennsylvania |
| 44 | Mildred J. Mcmeisky | 31 | Wife | Supervisor | Pennsylvania |
| 45 | Charles Brady | 28 | Head | Salesman | Pennsylvania |
| 46 | Phyllis A. Brady | 24 | Wife | — | Pennsylvania |
| 47 | Fred S. M. Hunter | 46 | Head | Sprayer | New Jersey |
| 48 | Edna C. Hunter | 47 | Wife | — | Pennsylvania |
| 49 | Howard C. Hunter | 12 | Son | — | New Jersey |
| 50 | James L. Harper | 30 | Head | Electrical Draftsman | Pennsylvania |
| 51 | Florence C. Harper | 27 | Wife | — | New Jersey |
| 52 | Nancy L. Harper | 0 | Daughter | — | Pennsylvania |
| 53 | Thomas E. Hughes | 31 | Head | Maintenance | Pennsylvania |
| 54 | Lottie E. Hughes | 32 | Wife | — | Pennsylvania |
| 55 | Thomas W. Hughes | 3 | Son | — | Pennsylvania |
| 56 | Elizabeth A. Hughes | 1 | Daughter | — | Pennsylvania |
| 57 | Robert P. Perry | 45 | Head | Salesman | Pennsylvania |
| 58 | Florence Perry | 42 | Wife | — | Pennsylvania |
| 59 | Robert P., Jr. Perry THIS PERSON | 22 | Son | House Electrician | Pennsylvania |
| 60 | Florence Perry | 21 | Daughter | — | Pennsylvania |
| 61 | James L. Perry | 20 | Son | Maintenance | Pennsylvania |
| 62 | Mary E. Perry | 17 | Daughter | — | Pennsylvania |
| 63 | C. Clayton Robison | 36 | Head | Accountant | Pennsylvania |
| 64 | Irene E. Robison | 25 | Wife | — | Pennsylvania |
| 65 | Arthur T. Hart | 34 | Head | Operator | Delaware |
| 66 | Betty V. Hart | 29 | Wife | Stenographer | Delaware |
| 67 | Russell L. Nigenhueber | 43 | Head | News Dealer | Pennsylvania |
| 68 | Gertrude M. Nigenhueber | 41 | Wife | — | Pennsylvania |
| 69 | Thomas R. Nigenhueber | 15 | Son | — | Pennsylvania |
| 70 | Dorothy M. Nigenhueber | 12 | Daughter | — | Pennsylvania |
| 71 | Louis G. Ulrich | 27 | Head | Electrotyper | Pennsylvania |
| 72 | Mary L. Ulrich | 26 | Wife | — | Pennsylvania |
| 73 | George D. Mcdermott | 41 | Head | Chauffeur | Pennsylvania |
| 74 | Helen L. Mcdermott | 38 | Wife | — | Pennsylvania |
| 75 | Helen L. Mcdermott | 13 | Daughter | — | Pennsylvania |
| 76 | Sarah R. Strain | 52 | Mother-in-law | — | Pennsylvania |
| 77 | Grace L. Strain | 22 | Sister-in-law | Inspectress | Pennsylvania |
| 78 | Robert A. Lowther | 44 | Head | Tester | Pennsylvania |
| 79 | Wilhelmina Lowther | 45 | Wife | — | Pennsylvania |
| 80 | Robert J. Lowther | 16 | Son | — | Pennsylvania |
Pedigree Summary
Robert + 3 siblings
Gen 1 · 4 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)