WM
William Mccarty — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this William Mccarty across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 10-person household.
Age 23
b. ~1917
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | McCarty |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Shipper |
| Industry | Rubber Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1154 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Shipper |
| Township / Ward | Boston City |
| Est. Birth Year | ~1917 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Thomas Mccarty | Son | — | 25 | ~1915 |
| Bernard Mccarty | Son | — | 20 | ~1920 |
| Thomas Mccarty | Head | — | 51 | ~1889 |
| William Mccarty | Son | — | 23 | ~1917 |
| Stephen Mccarty | Other | — | 43 | ~1897 |
| Catherine Mccarty | Daughter | — | 24 | ~1916 |
| John Mccarty | Son | — | 19 | ~1921 |
| Mary Mccarty | Daughter | — | 15 | ~1925 |
| Bernadine Mccarty | Daughter | — | 17 | ~1923 |
| Honor Mccarty | Spouse | — | 49 | ~1891 |
Census Appearances
Son, age 13
Suffolk, Massachusetts · implied b. ~1917 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 23
Suffolk-County, Massachusetts · implied b. ~1917 — 10 household members
| Surname | McCarty |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Shipper |
| Industry | Rubber Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1154 |
| Highest Grade | H 3 |
| 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 William Mccarty across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Mccarty
Son · 1940 · age 23 · b. ~1917 · Massachusetts
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Sibling
Mary Mccarty
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mccarty
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mccarty
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mccarty
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Mccarty
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernadine Mccarty
Sibling · 1940 · age 17
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 — 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-t0627-01682-00546)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martin Lyons | 56 | Head | Night Supervisor | Irish Free State |
| 2 | Winifred A Lyons | 54 | Wife | — | Irish Free State |
| 3 | John J Lyons | 27 | Son | Cook | Massachusetts |
| 4 | Mary E Flaherty | 70 | Sister-in-law | — | Irish Free State |
| 5 | Gustaf Roman | 69 | Head | Cook | Sweden |
| 6 | Ida L Roman | 67 | Wife | — | Sweden |
| 7 | Henrietta Trimble | 46 | Lodger | Cook | Massachusetts |
| 8 | William Owens | 30 | Head | Mechanic | Massachusetts |
| 9 | Alice Owens | 29 | Wife | — | Massachusetts |
| 10 | William Owens | 3 | Son | — | Massachusetts |
| 11 | Marilyn Owens | 1 | Daughter | — | Massachusetts |
| 12 | Earnest W Anthet | 60 | Head | — | Canada-French |
| 13 | Nora M Anthet | 63 | Wife | — | England |
| 14 | John P Anthet | 25 | Son | Radio Technician | Massachusetts |
| 15 | Eleanor M Anthet | 22 | Daughter | Frosting Cake | Massachusetts |
| 16 | Howard Rufus | 50 | Lodger | Laborer | Canada-English |
| 17 | Thomas P Mccarty | 51 | Head | Baggage Man | Rhode Island |
| 18 | Honor Mccarty | 49 | Wife | — | Irish Free State |
| 19 | Thomas Mccarty | 25 | Son | Chauffeur | Massachusetts |
| 20 | Catherine Mccarty | 24 | Daughter | Operator | Massachusetts |
| 21 | William Mccarty THIS PERSON | 23 | Son | Shipper | Massachusetts |
| 22 | Bernard Mccarty | 20 | Son | — | Massachusetts |
| 23 | John Mccarty | 19 | Son | — | Massachusetts |
| 24 | Bernadine Mccarty | 17 | Daughter | — | Massachusetts |
| 25 | Mary Mccarty | 15 | Daughter | — | Massachusetts |
| 26 | Stephen J Mccarty | 43 | Brother | Repairer | Massachusetts |
| 27 | Mary L Chambers | 60 | Head | — | Massachusetts |
| 28 | Jane Mcgettrick | 84 | Aunt | — | Massachusetts |
| 29 | Margaret Curran | 48 | Lodger | — | Massachusetts |
| 30 | Anna L Donovan | 53 | Lodger | Operator | Massachusetts |
| 31 | Francis Donley | 29 | Lodger | Clerk File | New York |
| 32 | Joseph A Chambers | 26 | Son | Machinist | Massachusetts |
| 33 | Henry F Chambers | 24 | Son | Store Manager | Massachusetts |
| 34 | Jeanette Chambers | 18 | Daughter | — | Massachusetts |
| 35 | William J Sherman | 50 | Head | Stationary Engineer | Massachusetts |
| 36 | Louise E Sherman | 48 | Wife | — | Massachusetts |
| 37 | William J Sherman | 15 | Son | — | Massachusetts |
| 38 | Gertrude Burke | 56 | Sister-in-law | Stenographer | Massachusetts |
| 39 | Thomas Mercante | 30 | Head | Chauffeur | Massachusetts |
| 40 | Velma Mercante | 30 | Wife | Waitress | Massachusetts |
Related Census Records
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)