TM
Thomas Mcguire — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Thomas Mcguire across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | McGuire |
| Given Name | Thomas J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford |
| Additional Details | |
| Occupation | Salesclerk |
| Industry | Ret. Lum. Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 286 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Salesclerk |
| Township / Ward | Medford |
| Est. Birth Year | ~1921 |
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 |
|---|---|---|---|---|
| James Mcguire | Son | — | 21 | ~1919 |
| Catherine Mcguire | Daughter | — | 14 | ~1926 |
| Virginia Mcguire | Daughter | — | 10 | ~1930 |
| Thomas Mcguire | Head | — | 49 | ~1891 |
| Teresa Mcguire | Spouse | — | 46 | ~1894 |
| Miriam Mcguire | Daughter | — | 16 | ~1924 |
| Thomas Mcguire | Son | — | 19 | ~1921 |
| Irene Mcguire | Daughter | — | 7 | ~1933 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 10
Suffolk, Massachusetts · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGuire |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Northern Ireland |
| Occupation | Laborer |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 19
Middlesex-County, Massachusetts · implied b. ~1921 — 8 household members
| Surname | McGuire |
| Given Name | Thomas J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford |
| Occupation | Salesclerk |
| Industry | Ret. Lum. Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 286 |
| Highest Grade | Hs 4 |
| 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 Thomas Mcguire across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Mcguire
Son · 1940 · age 19 · b. ~1921 · Massachusetts
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Sibling
Catherine Mcguire
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Mcguire
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcguire
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Mcguire
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Miriam Mcguire
Sibling · 1940 · age 16
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 — 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-t0627-01611-00019)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles C. Shea | 37 | Head | Paint Foreman | Massachusetts |
| 2 | Mary M. Shea | 34 | Wife | — | Canada-English |
| 3 | Gertrude M. Shea | 4 | Daughter | — | Massachusetts |
| 4 | Clara C. Godey | 43 | Head | Trained Nurse | Massachusetts |
| 5 | Mary F. Needham | 35 | Head | Secretary | Massachusetts |
| 6 | Margaret J. Needham | 59 | Mother | — | Massachusetts |
| 7 | (Elsewhere In Reading) Paken | None | — | — | — |
| 8 | — | None | — | — | — |
| 9 | Carl H. Beckman | 44 | Head | Electrician | Germany |
| 10 | Grace L. Beckman | 40 | Wife | — | Massachusetts |
| 11 | Carl J. Beckman | 19 | Son | New Worker | Massachusetts |
| 12 | William R. Beckman | 15 | Son | — | Massachusetts |
| 13 | Rita F. Beckman | 3 | Daughter | — | Massachusetts |
| 14 | Thomas J. Mcguire | 49 | Head | Store Manager | Ireland (Eire) |
| 15 | Teresa Mcguire | 46 | Wife | — | Ireland (Eire) |
| 16 | James F. Mcguire | 21 | Son | General Worker | Massachusetts |
| 17 | Thomas J. Mcguire THIS PERSON | 19 | Son | Salesclerk | Massachusetts |
| 18 | Miriam T. Mcguire | 16 | Daughter | — | Massachusetts |
| 19 | Catherine F. Mcguire | 14 | Daughter | — | Massachusetts |
| 20 | Virginia A. Mcguire | 10 | Daughter | — | Massachusetts |
| 21 | Irene C. Mcguire | 7 | Daughter | — | Massachusetts |
| 22 | Leroy N. Dunn | 51 | Head | Auto Mechanic | New York |
| 23 | Mildred Dunn | 53 | Wife | — | Massachusetts |
| 24 | Milton A. Dunn | 29 | Son | Service Man | Massachusetts |
| 25 | Helen F. Dunn | 30 | Daughter-in-law | Cook | English Canada |
| 26 | Burton J. Balcom | 47 | Head | Receiving Clerk | Massachusetts |
| 27 | Mary C. Balcom | 46 | Wife | — | Belgium |
| 28 | Florence M. Fraser | 38 | Sister-in-law | Ret. Secretary | Massachusetts |
| 29 | George M. Fraser | 13 | nephew | — | Massachusetts |
| 30 | Dorothea M. Fraser | 9 | niece | — | Massachusetts |
| 31 | Morris F. Murphy | 37 | Head | Policeman | Massachusetts |
| 32 | Elizabeth Murphy | 33 | Wife | Collection Clerk | Africa |
| 33 | Catherine M. Murphy | 68 | Mother | — | Massachusetts |
| 34 | Joseph Costa | 55 | Head | Storekeeper | Italy |
| 35 | Lena Costa | 44 | Wife | — | Massachusetts |
| 36 | Catherine P. Costa | 22 | Daughter | Retouching Girl | Massachusetts |
| 37 | Anna J. Costa | 20 | Daughter | Retouching | Massachusetts |
| 38 | John F. Costa | 18 | Son | Tree Chopper | Massachusetts |
| 39 | Mary G. Costa | 16 | Daughter | — | Massachusetts |
| 40 | Josephine P. Costa | 10 | 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)