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James Reilly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this James Reilly across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 11-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Reilly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Laborer |
| Industry | Green House |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 700 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Pittsburgh |
| 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Cecelia Reilly | Daughter | — | 11 | ~1929 |
| Marion Reilly | Daughter | — | 18 | ~1922 |
| Frances Reilly | Daughter | — | 16 | ~1924 |
| Margaret Reilly | Daughter | — | 9 | ~1931 |
| Grace Reilly | Daughter | — | 17 | ~1923 |
| Rose Reilly | Daughter | — | 13 | ~1927 |
| Mary Reilly | Daughter | — | 7 | ~1933 |
| Margaret Reilly | Head | — | 46 | ~1894 |
| James Reilly | Son | — | 22 | ~1918 |
| Edward Reilly | Son | — | 20 | ~1920 |
| Joseph Reilly | Son | — | 4 | ~1936 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 12
Allegheny, Pennsylvania · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Reilly |
| Given Name | James |
| 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
Allegheny-County, Pennsylvania
Son, age 22
Allegheny-County, Pennsylvania · implied b. ~1918 — 11 household members
| Surname | Reilly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Laborer |
| Industry | Green House |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 700 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 James Reilly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Reilly
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
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Sibling
Margaret Reilly
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Reilly
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecelia Reilly
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Reilly
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Reilly
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Reilly
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Reilly
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Reilly
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Reilly
Sibling · 1940 · age 7
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03673-00781)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nancy L. Lam | 4 | Daughter | — | Pennsylvania |
| 2 | Winnie Uglis | 60 | Head | — | Pennsylvania |
| 3 | Ella A. Ellis | 63 | Lodger | Saleswoman | Sweden |
| 4 | Jeanette E. Altenburg | 58 | Lodger | Saleswoman | Pennsylvania |
| 5 | David Mcconnell | 62 | Head | Janitor | Ireland |
| 6 | Ellen Mcconnell | 63 | Wife | — | Northern Ireland |
| 7 | George W. Mcconnell | 31 | Son | Laborer | Pennsylvania |
| 8 | James M. Mcconnell | 35 | Brother | Laborer | Northern Ireland |
| 9 | James T. Mcconnell | 4 | Son | — | Pennsylvania |
| 10 | Margaret A. Reilly | 46 | Head | Housework | Pennsylvania |
| 11 | James Reilly THIS PERSON | 22 | Son | Laborer | Pennsylvania |
| 12 | Edward L. Reilly | 20 | Son | Salesman | Pennsylvania |
| 13 | Marion R. Reilly | 18 | Daughter | — | Pennsylvania |
| 14 | Grace M. Reilly | 17 | Daughter | — | Pennsylvania |
| 15 | Frances A. Reilly | 16 | Daughter | — | Pennsylvania |
| 16 | Rose M. Reilly | 13 | Daughter | — | Pennsylvania |
| 17 | Cecelia C. Reilly | 11 | Daughter | — | Pennsylvania |
| 18 | Margaret H. Reilly | 9 | Daughter | — | Pennsylvania |
| 19 | Mary T. Reilly | 7 | Daughter | — | Pennsylvania |
| 20 | Joseph A. Reilly | 4 | Son | — | Pennsylvania |
| 21 | Wilfred O. Millett | 63 | Head | — | Maine |
| 22 | Mabel L. Millett | 58 | Wife | — | New York |
| 23 | Ulmer U. Millett | 29 | Son | Candy Helper | Pennsylvania |
| 24 | Eugene Millett | 27 | Son | Laborer | Pennsylvania |
| 25 | Elizabeth A. Millett | 22 | Daughter | Ironer | Pennsylvania |
| 26 | Vincent Cassandro | 42 | Head | Cook | Italy |
| 27 | Kathleen M. Cassandro | 37 | Wife | — | Pennsylvania |
| 28 | William E. Cassandro | 14 | Daughter | — | Pennsylvania |
| 29 | Vincent J. Cassandro | 12 | Son | — | Pennsylvania |
| 30 | Carmella Cassandro | 11 | Daughter | — | Pennsylvania |
| 31 | Elvera Cassandro | 8 | Daughter | — | Pennsylvania |
| 32 | Salvador Cassandro | 4 | Son | — | Pennsylvania |
| 33 | Mafalda Cassandro | 2 | Daughter | — | Pennsylvania |
| 34 | Edward J. Fitzgerald | 50 | Head | Shearman | Pennsylvania |
| 35 | Mary R. Linda | 56 | Head | — | Italy |
| 36 | Henrietta Linda | 32 | Daughter | Bookkeeper | Italy |
| 37 | Sadie Linda | 28 | Daughter | Ironer | Italy |
| 38 | Vincent Linda | 24 | Son | Waiter | Pennsylvania |
| 39 | Laura Linda | 22 | Wife | — | Pennsylvania |
| 40 | Shirley Linda | 3 | 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)