RM
Robert Mccarthy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Robert Mccarthy across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 11-person household.
Age 14
b. ~1926
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | McCarthy |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston |
| Est. Birth Year | ~1926 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| William Mccarthy | Son | — | 10 | ~1930 |
| James Mccarthy | Son | — | 3 | ~1937 |
| Irene Mccarthy | Daughter | — | 5 | ~1935 |
| Robert Mccarthy | Son | — | 14 | ~1926 |
| Robert Mccarthy | Head | — | 43 | ~1897 |
| Richard Bogue | Other | — | 37 | ~1903 |
| Margaret Mccarthy | Daughter | — | 16 | ~1924 |
| Mary Mccarthy | Spouse | — | 43 | ~1897 |
| John Mccarthy | Son | — | 12 | ~1928 |
| Michael Mccarthy | Other | — | 37 | ~1903 |
| Geraldine Mccarthy | Daughter | — | 8 | ~1932 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 3
Suffolk, Massachusetts · implied b. ~1927 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 14
Suffolk-County, Massachusetts · implied b. ~1926 — 11 household members
| Surname | McCarthy |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| 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 Robert Mccarthy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Mccarthy
Son · 1940 · age 14 · b. ~1926 · Massachusetts
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Sibling
William Mccarthy
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Mccarthy
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mccarthy
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geraldine Mccarthy
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mccarthy
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mccarthy
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 — 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-t0627-01677-00246)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sylvia Servak | 21 | Daughter | Office Clerk | Massachusetts |
| 42 | Deborah Servak | 19 | Daughter | 12 | Massachusetts |
| 43 | Anna Servak | 17 | Daughter | New Worker | Massachusetts |
| 44 | Rosalyn Servak | 14 | Daughter | — | Massachusetts |
| 45 | Sheldon Servak | 11 | Son | — | Massachusetts |
| 46 | Jacqueline Servak | 8 | Daughter | — | Massachusetts |
| 47 | William Gavin | 30 | Head | Salesman | Massachusetts |
| 48 | Florence Gavin | 35 | Wife | — | Massachusetts |
| 49 | Florence Gavin | 6 | Daughter | — | Massachusetts |
| 50 | Marjorie Gavin | 3 | Daughter | — | Massachusetts |
| 51 | William Gavin | 2 | Son | — | Massachusetts |
| 52 | Robert Mccarthy | 43 | Head | Truck Driver | Eire |
| 53 | Mary Mccarthy | 43 | Wife | — | Eire |
| 54 | Margaret Mccarthy | 16 | Daughter | — | Massachusetts |
| 55 | Robert Mccarthy THIS PERSON | 14 | Son | — | Massachusetts |
| 56 | John Mccarthy | 12 | Son | — | Massachusetts |
| 57 | William Mccarthy | 10 | Son | — | Massachusetts |
| 58 | Geraldine Mccarthy | 8 | Daughter | — | Massachusetts |
| 59 | Irene Mccarthy | 5 | Daughter | — | Massachusetts |
| 60 | James Mccarthy | 3 | Son | — | Massachusetts |
| 61 | Michael Mccarthy | 37 | Brother | Laborer | Eire |
| 62 | Richard Bogue | 37 | Boarder | Shipper | Eire |
| 63 | Margaret Mccarthy | 31 | Head | Practical Nurse | Eire |
| 64 | Mary Connolly | 34 | Head | — | Eire |
| 65 | Francis Connolly | 12 | Son | — | Massachusetts |
| 66 | Mary Connolly | 8 | Daughter | — | Massachusetts |
| 67 | Patrick Redington | 44 | Brother | Fireman | Eire |
| 68 | Phillip Barlas | 42 | Head | Shoe Cobbler | Greece |
| 69 | Demetra Barlas | 35 | Wife | — | Greece |
| 70 | James Barlas | 13 | Son | — | Massachusetts |
| 71 | Pauline Barlas | 11 | Daughter | — | Massachusetts |
| 72 | Christine Barlas | 10 | Daughter | — | Massachusetts |
| 73 | Constance Barlas | 9 | Daughter | — | Massachusetts |
| 74 | Angela Barlas | 5 | Daughter | — | Massachusetts |
| 75 | Alice Moore | 30 | Head | — | Canada-English |
| 76 | Miriam Moore | 10 | Daughter | — | Massachusetts |
| 77 | George Moore | 9 | Son | — | Massachusetts |
| 78 | Joanne Moore | 5 | Daughter | — | Massachusetts |
| 79 | David Moore | 1 | Son | — | Massachusetts |
| 80 | Chris Mandakas | 44 | Head | Sales Clerk | Greece |
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)