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John Reilly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Reilly across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Michael & Daniel — first a son (b.~1913), then head of a 9-person household.
Age 27
b. ~1913
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Reilly |
| Given Name | John J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | rug-cleaner |
| Industry | own practice |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No C-1-40 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Rug-Cleaner |
| Township / Ward | Boston City |
| Est. Birth Year | ~1913 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Dorothea Reilly | Daughter | — | 18 | ~1922 |
| Mary Reilly | Daughter | — | 23 | ~1917 |
| Kathleen Reilly | Daughter | — | 16 | ~1924 |
| Rita Reilly | Daughter | — | 21 | ~1919 |
| Helen Reilly | Daughter | — | 25 | ~1915 |
| Daniel Reilly | Head | — | 60 | ~1880 |
| John Reilly | Son | — | 27 | ~1913 |
| Daniel Reilly | Son | — | 12 | ~1928 |
| Catherine Reilly | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 5
Suffolk, Massachusetts · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
Son, age 16
Suffolk, Massachusetts · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 27
Suffolk-County, Massachusetts · implied b. ~1913 — 9 household members
| Surname | Reilly |
| Given Name | John J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Occupation | rug-cleaner |
| Industry | own practice |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No C-1-40 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 John Reilly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Michael Riley (~0.92 confidence) and father Daniel Reilly (~0.92 confidence) and father Michael Riley (~0.92 confidence) and mother Ellen Riley (~0.92 confidence) and mother Catherine Reilly (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Riley
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Daniel Reilly
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Michael Riley
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Ellen Riley
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Catherine Reilly
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Reilly
Son · 1940 · age 27 · b. ~1913 · Massachusetts
★ You are viewing this record
Sibling
Rita Reilly
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Reilly
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Reilly
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothea Reilly
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Reilly
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Reilly
Sibling · 1940 · age 23
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01679-00726)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gertrude M. Cassidy | 21 | daughter | Typist | Massachusetts |
| 2 | Clara D. Cronin | 65 | Head | — | Sweden |
| 3 | Victor H. Cronin | 33 | son | Adjuster | Massachusetts |
| 4 | James P. Dowd | 44 | Head | Operator | Irish Free State |
| 5 | Hannah T. Dowd | 45 | wife | — | Irish Free State |
| 6 | James A. Dowd | 21 | son | Elevator Operator | Massachusetts |
| 7 | Elizabeth M. Dowd | 16 | daughter | — | Massachusetts |
| 8 | Marie E. Dowd | 11 | daughter | — | Massachusetts |
| 9 | Thomas F. Dowd | 8 | son | — | Massachusetts |
| 10 | William H. Burbank | 47 | Head | Bank Clerk | Massachusetts |
| 11 | Helen L. Burbank | 35 | wife | — | Massachusetts |
| 12 | William H. Burbank | 13 | son | — | Massachusetts |
| 13 | Elizabeth F. Burbank | 11 | daughter | — | Massachusetts |
| 14 | George R. Burbank | 9 | son | — | Massachusetts |
| 15 | Helen L. Burbank | 2 | daughter | — | Massachusetts |
| 16 | Daniel Ciampa | 25 | Head | Iron Worker | Massachusetts |
| 17 | Virginia Ciampa | 23 | wife | Dress Maker | Massachusetts |
| 18 | Samuel Pasquale | 37 | Head | Mason | Italy |
| 19 | Josephine Pasquale | 30 | wife | — | Massachusetts |
| 20 | Joseph M. Pasquale | 12 | son | — | Massachusetts |
| 21 | Ernestine V. Pasquale | 8 | daughter | — | Massachusetts |
| 22 | Clara J. Pasquale | 6 | daughter | — | Massachusetts |
| 23 | Martin Gorman | 43 | Head | Steel Foreman | Irish Free State |
| 24 | Mary Gorman | 32 | wife | — | Irish Free State |
| 25 | Mary Gorman | 5 | daughter | — | Massachusetts |
| 26 | Sally Gorman | 2 | daughter | — | Massachusetts |
| 27 | Martin P. Gorman | 1 | son | — | Massachusetts |
| 28 | Daniel F. Curran | 38 | Head | Brakeman | Massachusetts |
| 29 | Grace E. Curran | 34 | wife | — | Massachusetts |
| 30 | Joan F. Curran | 3 | daughter | — | Massachusetts |
| 31 | Daniel F. Reilly | 60 | Head | Electrician | Irish Free State |
| 32 | Catherine T. Reilly | 55 | wife | — | Massachusetts |
| 33 | John J. Reilly THIS PERSON | 27 | son | Rug-Cleaner | Massachusetts |
| 34 | Helen R. Reilly | 25 | daughter | Stenographer | Massachusetts |
| 35 | Mary A. Reilly | 23 | daughter | — | Massachusetts |
| 36 | Rita Reilly | 21 | daughter | Stenographer | Massachusetts |
| 37 | Dorothea Reilly | 18 | daughter | Clerical Work | Massachusetts |
| 38 | Kathleen Reilly | 16 | daughter | — | Massachusetts |
| 39 | Daniel E. Reilly | 12 | son | — | Massachusetts |
| 40 | Steven T. Fallon | 45 | Head | Truck Mechanic | Massachusetts |
Related Census Records
Pedigree Summary
John + 6 siblings
Gen 1 · 5 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)