TR
Thomas Riley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Thomas Riley across the 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 9-person household.
Age 10
b. ~1930
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Riley |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Brookline |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Brookline |
| Est. Birth Year | ~1930 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Rosemarie Riley | Daughter | — | 14 | ~1926 |
| Margaret Riley | Daughter | — | 12 | ~1928 |
| Kathleen Riley | Daughter | — | 8 | ~1932 |
| Leo Riley | Head | — | 40 | ~1900 |
| Edward Riley | Son | — | 4 | ~1936 |
| Leo Riley | Son | — | 6 | ~1934 |
| William Riley | Son | — | 3 | ~1937 |
| Thomas Riley | Son | — | 10 | ~1930 |
| Kathleen Riley | Spouse | — | 37 | ~1903 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age
Philadelphia, Pennsylvania · implied b. ~1930 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Son, age 10
Delaware-County, Pennsylvania · implied b. ~1930 — 9 household members
| Surname | Riley |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Brookline |
| 1935 Residence (County) | Delaware |
| Class of Worker | 0 |
| Highest Grade | 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 Thomas Riley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Riley
Son · 1940 · age 10 · b. ~1930 · Pennsylvania
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Sibling
Margaret Riley
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Riley
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Riley
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemarie Riley
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Riley
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Riley
Sibling · 1940 · age 6
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
39 people indexed on this census page (nara:1940:m-t0627-03492-00547)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rae H. Lobb | 58 | Wife | — | Pennsylvania |
| 42 | Oscar R. Lobb | 23 | Son | Carpenter | Pennsylvania |
| 43 | Richard C. Lobb | 15 | Son | — | Pennsylvania |
| 44 | Robert G. Lobb | 12 | Son | — | Pennsylvania |
| 45 | Edith Lobb | 50 | Daughter | — | Pennsylvania |
| 46 | Harry Zinn | 74 | Head | Bookkeeper | Pennsylvania |
| 47 | Florence Zinn | 74 | Wife | — | Pennsylvania |
| 48 | Richard Zinn | 42 | Son | Ass'T Eastern Sales Mgr. | Pennsylvania |
| 50 | Frank Phillips | 56 | Head | Painter | England |
| 51 | Florence S. Phillips | 65 | Wife | — | England |
| 52 | Myrtle Fox | 27 | Daughter | — | Canada English |
| 53 | Hazel Skilling | 25 | Daughter | — | Canada English |
| 54 | James M. Beale | 51 | Lodger | Salesman | Pennsylvania |
| 55 | Richard Boy | 23 | Son-in-law | Teller | Pennsylvania |
| 56 | Hugh L. Wilson | 45 | Lodger | Sales Manager | Pennsylvania |
| 57 | Leo Riley | 40 | Head | Proprietor | Pennsylvania |
| 58 | Kathleen Riley | 37 | Wife | — | Pennsylvania |
| 59 | Rosemarie Riley | 14 | Daughter | — | Pennsylvania |
| 60 | Margaret Riley | 12 | Daughter | — | Pennsylvania |
| 61 | Thomas Riley THIS PERSON | 10 | Son | — | Pennsylvania |
| 62 | Kathleen Riley | 8 | Daughter | — | Pennsylvania |
| 63 | Leo Riley | 6 | Son | — | Pennsylvania |
| 64 | Edward Riley | 4 | Son | — | Pennsylvania |
| 65 | William Riley | 3 | Son | — | Pennsylvania |
| 66 | Norman O. Hanaver | 36 | Head | Circulator | Illinois |
| 67 | Helen Hanaver | 32 | Wife | — | Illinois |
| 68 | Norman Jr. Hanaver | 17 | Son | — | Illinois |
| 69 | Joan M. Hanaver | 11 | Daughter | — | Illinois |
| 70 | Barbara Hanaver | 9 | Daughter | — | Illinois |
| 71 | Esther Johnson | 37 | Lodger | Housekeeper | Wisconsin |
| 72 | Noria Chappell | 36 | Head | Insurance Agent | New Jersey |
| 73 | Mary G. Chappell | 34 | Wife | Elementary Teacher | Pennsylvania |
| 74 | Thomas Mckeever | 56 | Head | Lawyer | Pennsylvania |
| 75 | Elizabeth Mckeever | 54 | Wife | — | Pennsylvania |
| 76 | Sarah E. Mckeever | 25 | Daughter | Assistant Editor | Pennsylvania |
| 77 | David Mckeever | 24 | Son | — | Ohio |
| 78 | Jane Mckeever | 20 | Daughter | — | Ohio |
| 79 | Alice N. Q. Fulmer | 42 | Head | — | Pennsylvania |
| 80 | Jane Fulmer | 15 | Daughter | — | 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)