TM
Thomas Mccarthy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Thomas Mccarthy across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 4-person household.
Age 68
b. ~1872
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | McCarthy |
| Given Name | Thomas E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Lynn City |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Lynn City |
| Est. Birth Year | ~1872 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Ellen Learner | Daughter | — | 26 | ~1914 |
| Mary Mccarthy | Spouse | — | 62 | ~1878 |
| Ellen Learner | Other | — | 7 | ~1933 |
| Thomas Mccarthy | Head | — | 68 | ~1872 |
Census Appearances
1920
Suffolk, Massachusetts
Head, age 47
Suffolk, Massachusetts · implied b. ~1873 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1893 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Kennel |
| Industry | City |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1904 |
| Birthplace (normalized) | ireland |
1930
Essex, Massachusetts
Head, age 58
Essex, Massachusetts · implied b. ~1872 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1894 |
| Age at First Marriage | 20 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Essex-County, Massachusetts
Head, age 68
Essex-County, Massachusetts · implied b. ~1872 — 4 household members
| Surname | McCarthy |
| Given Name | Thomas E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Lynn City |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Mccarthy across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Thomas Mccarthy
Head · 1940 · age 68 · b. ~1872 · 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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01695-00269)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lillian T. Piles | 31 | Daughter | Teacher | Massachusetts |
| 42 | Caleb W. Piles | 30 | Son | Assembler | Massachusetts |
| 44 | George S. Gordon | 26 | Head | Medical Doctor | Massachusetts |
| 45 | Ruth P. Gordon | 24 | Wife | Bookkeeper | Massachusetts |
| 46 | Thomas E. Mccarthy THIS PERSON | 68 | Head | — | Ireland |
| 47 | Mary C. Mccarthy | 62 | Wife | — | Canada English |
| 48 | Ellen M. Learner | 26 | Daughter | Wiser | Massachusetts |
| 49 | Ellen M. Learner | 7 | Granddaughter | — | Massachusetts |
| 50 | Wallace H. Skidmore | 54 | Head | Assembler | Canada English |
| 51 | Gladys M. Skidmore | 17 | Daughter | — | Massachusetts |
| 52 | Harry Cromidas | 42 | Head | Cobbler | Greece |
| 53 | Mamie Cromidas | 31 | Wife | — | Massachusetts |
| 54 | Joan Cromidas | 5 | Daughter | — | Massachusetts |
| 55 | George Cromidas | 4 | Son | — | Massachusetts |
| 56 | Eugenia Cromidas | 1 | Daughter | — | Massachusetts |
| 57 | John H. Tremblay | 30 | Head | Paddle Hand | Massachusetts |
| 58 | Audrey M. Tremblay | 32 | Wife | — | Massachusetts |
| 59 | Jacqueline S. Tremblay | 5 | Daughter | — | Massachusetts |
| 60 | Adam Peterson | 55 | Head | Mechanic | Finland |
| 61 | Hulda S. Peterson | 51 | Wife | Housekeeper | Finland |
| 62 | Rennie A. Peterson | 27 | Son | Farm Helper | Massachusetts |
| 63 | Taimi S. Peterson | 20 | Daughter | Hairdresser | Massachusetts |
| 64 | James V. O'Keeffe | 52 | Head | Doctor | Massachusetts |
| 65 | Vivian J. O'Keeffe | 58 | Wife | — | Massachusetts |
| 66 | William S. Sargent | 54 | Head | Clerk | Massachusetts |
| 67 | Bessie R. Sargent | 51 | Wife | — | Massachusetts |
| 68 | Dorothy S. Sargent | 26 | Daughter | Typist | Massachusetts |
| 69 | Eleanor S. Sargent | 24 | Daughter | Teacher | Massachusetts |
| 70 | Mary Blake | 82 | Mother-in-law | — | Canada English |
| 71 | Ray Stevenson | 54 | Head | Minister | Pennsylvania |
| 72 | Margaret W. Stevenson | 54 | Wife | — | Canada English |
| 73 | Eleanor B. Shaw | 60 | Head | Teacher | Massachusetts |
| 74 | Theodore M. Roberts | 40 | Head | Warehouseman | Maine |
| 75 | Genevieve S. Roberts | 35 | Wife | — | Massachusetts |
| 76 | Barbara J. Roberts | 9 | Daughter | — | Rhode Island |
| 77 | Eugene J. Sullivan | 48 | Head | Printer | Massachusetts |
| 78 | Gertrude Sullivan | 44 | Wife | — | Massachusetts |
| 79 | Richard E. Sullivan | 24 | Son | Printer | Massachusetts |
| 80 | William D. Sullivan | 21 | Son | Salesman | 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)