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Thomas Lynch — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Thomas Lynch across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 5-person household.
Age 76
b. ~1864
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Lynch |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 76 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | H-1 |
| 1935 Residence | Same Place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Boston |
| Est. Birth Year | ~1864 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Lynch | Head | — | 76 | ~1864 |
| Walter Lynch | Son | — | 35 | ~1905 |
| Joseph Lynch | Son | — | 38 | ~1902 |
| John Lynch | Son | — | 29 | ~1911 |
| Mary Lynch | Spouse | — | 74 | ~1866 |
Census Appearances
1920
Suffolk, Massachusetts
Head, age 54
Suffolk, Massachusetts · implied b. ~1866 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Thomas J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1886 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Mason |
| Industry | Car Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Ireland |
| Year of Naturalization | 1892 |
| Birthplace (normalized) | ireland |
1930
Suffolk, Massachusetts
Head, age 65
Suffolk, Massachusetts · implied b. ~1865 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1888 |
| Age at First Marriage | 25 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Homemaker |
| Industry | at Home |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 18 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Suffolk-County, Massachusetts
Head, age 76
Suffolk-County, Massachusetts · implied b. ~1864 — 5 household members
| Surname | Lynch |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 76 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Highest Grade | H-1 |
| 1935 Residence | Same Place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Lynch across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Thomas Lynch
Head · 1940 · age 76 · b. ~1864 · 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 — 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-t0627-01677-00291)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Andrew Butters | 72 | Father | — | Ireland |
| 2 | Margaret Hutchinson | 72 | Aunt | — | Newfoundland |
| 3 | Thomas Lynch THIS PERSON | 76 | Head | — | Ireland |
| 4 | Mary Lynch | 74 | Wife | — | Ireland |
| 5 | Joseph Lynch | 38 | Son | Clerk | Mass |
| 6 | Walter Lynch | 35 | Son | Laborer | Mass |
| 7 | John Lynch | 29 | Son | Driver | Mass |
| 8 | Samuel Rosen | 43 | Head | Salesman | Russia |
| 9 | Fannie Rosen | 41 | Wife | — | Russia |
| 10 | Albert E. Perkins | 58 | Head | Machinist | Mass |
| 11 | Lydia Perkins | 56 | Wife | — | Mass |
| 12 | Raymond L. Perkins | 26 | Son | Clerk | Mass |
| 13 | John C. Perkins | 22 | Son | Laborer | Mass |
| 14 | Annie E. Fuller | 82 | Mother-in-law | — | Maine |
| 15 | Louis White | 39 | Head | Salesman | Russia |
| 16 | Beatrice White | 37 | Wife | — | Russia |
| 17 | June White | 11 | Daughter | — | Mass |
| 18 | Robert White | 10 | Son | — | Mass |
| 19 | David White | 4 | Son | — | Mass |
| 20 | Morris White | 1 | Daughter | — | Mass |
| 21 | Vida Araban | 19 | Lodger | Maid | Poland |
| 22 | Mary A. Burke | 45 | Head | — | Mass |
| 23 | Thomas Burke | 46 | Brother | Police | Mass |
| 24 | Sadie Burke | 42 | Sister | Saleswoman | Mass |
| 25 | Abraham De Nat | 44 | Head | Salesman | London |
| 26 | Amelia De Nat | 32 | Wife | — | Mass |
| 27 | Diana De Nat | 5 | Daughter | — | Mass |
| 28 | Joan De Nat | 3 | Daughter | — | Mass |
| 29 | Joseph Marden | 26 | Brother-in-law | Engineer | Mass |
| 30 | Benjamin Asaba | 39 | Head | Salesman | Mass |
| 31 | Christine Asaba | 37 | Wife | Saleswoman | London |
| 32 | Marilyn Asaba | 12 | Daughter | — | Mass |
| 33 | Helen Asaba | 4 | Daughter | — | Mass |
| 34 | Samuel De Nat | 72 | Father-in-law | — | England |
| 35 | Morris Rosenstein | 43 | Head | Buyer | Louisiana |
| 36 | Diana Rosenstein | 40 | Wife | — | New York |
| 37 | Claire Rosenstein | 12 | Daughter | — | Chicago |
| 38 | Jerome Rosenstein | 6 | Son | — | Chicago |
| 39 | Bessie Mishara | 42 | Head | — | Mass |
| 40 | Diana Mishara | 21 | Daughter | — | Mass |
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)