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Thomas Reilly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Thomas Reilly across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 8-person household.
Age 57
b. ~1883
Male
Head
Born: Rhode Island
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Reilly |
| Given Name | Thomas D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Medford |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | janitor |
| Industry | public school |
| Class of Worker | GW |
| Hours Worked | 50 |
| Income (1939) | 2016 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Janitor |
| Township / Ward | Medford |
| Est. Birth Year | ~1883 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Frances Reilly | Daughter | — | 21 | ~1919 |
| Margaret Reilly | Daughter | — | 22 | ~1918 |
| Marion Reilly | Daughter | — | 17 | ~1923 |
| Thomas Reilly | Head | — | 57 | ~1883 |
| Susan Reilly | Daughter | — | 15 | ~1925 |
| Thomas Reilly | Son | — | 10 | ~1930 |
| Ruth Reilly | Daughter | — | 19 | ~1921 |
| Susan Reilly | Spouse | — | 52 | ~1888 |
Census Appearances
1930
Middlesex, Massachusetts
Head, age 47
Middlesex, Massachusetts · implied b. ~1883 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Reilly |
| Given Name | Thomas B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Age at First Marriage | 23 |
| Father's Birthplace | Newfoundland |
| Mother's Birthplace | Irish Free State |
| Occupation | Janitor |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7000 |
| Radio Set | No |
| Veteran | No |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Middlesex-County, Massachusetts
Head, age 57
Middlesex-County, Massachusetts · implied b. ~1883 — 8 household members
| Surname | Reilly |
| Given Name | Thomas D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Medford |
| 1935 Residence (County) | Middlesex |
| Occupation | janitor |
| Industry | public school |
| Class of Worker | GW |
| Hours Worked | 50 |
| Income (1939) | 2016 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 Reilly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Thomas Reilly
Head · 1940 · age 57 · b. ~1883 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01612-00149)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Raymond Hutchins | 41 | Head | — | Massachusetts |
| 42 | Franz O. Zimmerman | 54 | Head | Civil Engineer | Czechoslovakia |
| 43 | Klementine Zimmerman | 48 | Wife | — | Czechoslovakia |
| 44 | Harold Zimmerman | 13 | Son | — | Massachusetts |
| 45 | John C. Welch | 30 | Head | Chef Clerk | Massachusetts |
| 46 | Mary M. Welch | 32 | Wife | — | Massachusetts |
| 47 | James R. Welch | 2 | Son | — | Massachusetts |
| 48 | Francis J. Fisher | 44 | Head | Agent | Massachusetts |
| 49 | Lottie M. Fisher | 45 | Wife | — | New Hampshire |
| 50 | Edna Fisher | 12 | daughter | — | Massachusetts |
| 51 | Howard Stearns | 18 | nephew | — | Maine |
| 52 | P. Andrew Mistretta | 46 | Head | Engraver | Massachusetts |
| 53 | Margaret E. Mistretta | 45 | Wife | — | Massachusetts |
| 54 | Charles Mistretta | 19 | son | — | Massachusetts |
| 55 | Dorothea Mistretta | 15 | daughter | — | Massachusetts |
| 56 | William A. Richardson | 36 | Head | Machinist | Nova Scotia |
| 57 | Maryann Richardson | 31 | wife | — | Massachusetts |
| 58 | Grace D. Ruggieri | 10 | stepdaughter | — | Massachusetts |
| 59 | Edna Richardson | 30 | sister | Chambermaid | Nova Scotia |
| 60 | George Preble | 37 | Head | Manager | Newfoundland |
| 61 | Mildred E. Preble | 34 | wife | — | New Hampshire |
| 62 | Stephen D. Preble | 4 | son | — | Massachusetts |
| 63 | Earl Lowe | 51 | mother-in-law | Waitress | Canada English |
| 64 | Thomas D. Reilly THIS PERSON | 57 | Head | Janitor | Rhode Island |
| 65 | Susan G. Reilly | 52 | wife | — | Massachusetts |
| 66 | Margaret Reilly | 22 | daughter | Typist | Massachusetts |
| 67 | Frances H. Reilly | 21 | daughter | Clerk | Massachusetts |
| 68 | Ruth E. Reilly | 19 | daughter | Clerk | Massachusetts |
| 69 | Marion J. Reilly | 17 | daughter | — | Massachusetts |
| 70 | Susan T. Reilly | 15 | daughter | — | Massachusetts |
| 71 | Thomas D. Jr. Reilly | 10 | son | — | Massachusetts |
| 72 | Martin M. Murphy | 60 | Head | Laborer | Irish Free State |
| 73 | Mary A. Murphy | 56 | wife | — | Irish Free State |
| 74 | Martin J. Jr. Murphy | 23 | son | Chauffeur | Massachusetts |
| 75 | Timothy Murphy | 15 | son | — | Massachusetts |
| 76 | Warren Henderson | 25 | Head | — | Massachusetts |
| 77 | Esther D. Henderson | 24 | wife | — | Nova Scotia |
| 78 | Shirley Henderson | 3 | daughter | — | Massachusetts |
| 79 | Paul Henderson | 1 | son | — | Massachusetts |
| 80 | Doris O. Zimmerman | 8 | daughter | — | Massachusetts |
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)