TM
Thomas Mcnamara — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this Thomas Mcnamara across the 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 10-person household.
Age 66
b. ~1874
Male
Head
Born: Irish Free State
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | McNamara |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Dudley |
| 1935 Residence (County) | Worcester |
| Naturalization Status | Naturalized |
| Additional Details | |
| Industry | U |
| Class of Worker | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birthplace (normalized) | irish free state |
| Township / Ward | Dudley |
| Est. Birth Year | ~1874 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Doris Mcnamara | Daughter | — | 16 | ~1924 |
| Michael Mcnamara | Son | — | 42 | ~1898 |
| Delia Weston | Other | — | 56 | ~1884 |
| Thomas Mcnamara | Son | — | 1 | ~1939 |
| Katherine Mcnamara | Daughter | — | 14 | ~1926 |
| Margaret Mcnamara | Daughter | — | 10 | ~1930 |
| Thomas Mcnamara | Head | — | 66 | ~1874 |
| Bernard Mcnamara | Son | — | 13 | ~1927 |
| Rita Mcnamara | Daughter | — | 18 | ~1922 |
| Clara Mcnamara | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Essex, Massachusetts
Head, age 57
Essex, Massachusetts · implied b. ~1873 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | Thomas F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Single |
| Birthplace | Irish Free State |
| Naturalization Status | Naturalized |
| Year of Immigration | 1882 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Clergyman |
| Industry | Catholic Church |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 100 |
| Radio Set | R |
| Veteran | No |
| Birthplace (normalized) | irish free state |
1940
Worcester-County, Massachusetts
Head, age 66
Worcester-County, Massachusetts · implied b. ~1874 — 10 household members
| Surname | McNamara |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Dudley |
| 1935 Residence (County) | Worcester |
| Naturalization Status | Naturalized |
| Industry | U |
| Class of Worker | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birthplace (normalized) | irish free state |
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 Mcnamara across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Thomas Mcnamara
Head · 1940 · age 66 · b. ~1874 · 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 — Worcester-County, Massachusetts
Open full size
1940 US Federal Census — Worcester-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01646-00571)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Armstrong | 36 | Head | Machinist | Connecticut |
| 42 | Sigrid Armstrong | 33 | Wife | — | Connecticut |
| 43 | Vivian Armstrong | 12 | Daughter | — | Connecticut |
| 44 | Guy Armstrong | 10 | Son | — | Connecticut |
| 45 | Wayne Armstrong | 7 | Son | — | Connecticut |
| 46 | Audrey Armstrong | 2 | Daughter | — | Massachusetts |
| 47 | Lois Armstrong | 1 | Daughter | — | Massachusetts |
| 48 | Perley Smith | 39 | Head | Traffic Manager | Massachusetts |
| 49 | Dorothy Smith | 39 | Wife | — | Massachusetts |
| 50 | Kenneth Smith | 14 | Son | — | Massachusetts |
| 51 | Richard Smith | 10 | Son | — | Massachusetts |
| 52 | Frank Kolodziejczak | 40 | Head | Machinist | Poland |
| 53 | Mary Kolodziejczak | 42 | Wife | — | Massachusetts |
| 54 | Helen Kolodziejczak | 14 | Daughter | — | Massachusetts |
| 55 | Francis Kolodziejczak | 12 | Son | — | Massachusetts |
| 56 | Edward Kolodziejczak | 10 | Son | — | Massachusetts |
| 57 | Charles Peckham | 34 | Head | Owner | Connecticut |
| 58 | Dorothy Peckham | 32 | Wife | — | Massachusetts |
| 59 | Prescott Peckham | 6 | Son | — | Massachusetts |
| 60 | Bradford Peckham | 4 | Son | — | Massachusetts |
| 61 | Ignatious Zajac | 54 | Head | Owner | Poland |
| 62 | Amelia Zajac | 56 | Wife | — | Poland |
| 63 | William J. Zajac | 20 | Son | Errand Boy | Massachusetts |
| 64 | Edwin J. Zajac | 15 | Son | — | Massachusetts |
| 65 | Henry A. Zajac | 28 | Son | Trucker | Massachusetts |
| 66 | Alice E. Zajac | 28 | Daughter-in-law | Helper House | Massachusetts |
| 67 | Henry J. Zajac | 2 | Grandson | — | Massachusetts |
| 68 | Alice Zajac | 2 | Granddaughter | — | Massachusetts |
| 69 | Thomas Mcnamara THIS PERSON | 66 | Head | — | Irish Free State |
| 70 | Michael J. Mcnamara | 42 | Son | Laborer | Massachusetts |
| 71 | Clara Mcnamara | 41 | Wife | — | Connecticut |
| 72 | Rita Mcnamara | 18 | Daughter | New Worker | Connecticut |
| 73 | Doris Mcnamara | 16 | Daughter | New Worker | Connecticut |
| 74 | Katherine Mcnamara | 14 | Daughter | — | Massachusetts |
| 75 | Bernard Mcnamara | 13 | Son | — | Massachusetts |
| 76 | Margaret Mcnamara | 10 | Daughter | — | Massachusetts |
| 77 | Thomas Mcnamara | 1 | Son | — | Massachusetts |
| 78 | Delia Weston | 56 | Cousin | Sewers | Irish Free State |
| 79 | George Beauregard | 61 | Head | Owner | Massachusetts |
| 80 | Rose Anna Beauregard | 56 | Wife | — | 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)