RM
Robert Mccarthy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Robert Mccarthy across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Thomas & Annie — first a head (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | McCarthy |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Roslindale |
| Additional Details | |
| Occupation | Laborer |
| Industry | W.P.A. Project |
| Class of Worker | GW |
| Hours Worked | 65 |
| Income (1939) | 556 |
| Highest Grade | H-4 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Laborer |
| Township / Ward | Mattapan |
| Est. Birth Year | ~1912 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Helen Mccarthy | Spouse | — | 26 | ~1914 |
| Robert Mccarthy | Son | — | 1 | ~1939 |
| Robert Mccarthy | Head | — | 28 | ~1912 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 7
Suffolk, Massachusetts · implied b. ~1913 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarty |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 17
Suffolk, Massachusetts · implied b. ~1913 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Order boy |
| Industry | Grocery Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 28
Suffolk-County, Massachusetts · implied b. ~1912 — 3 household members
| Surname | McCarthy |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Roslindale |
| Occupation | Laborer |
| Industry | W.P.A. Project |
| Class of Worker | GW |
| Hours Worked | 65 |
| Income (1939) | 556 |
| Highest Grade | H-4 |
| 1935 Residence | Massachusetts |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Mccarty (~0.92 confidence) and mother Annie Mccarty (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Mccarty
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Annie Mccarty
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Mccarthy
Head · 1940 · age 28 · b. ~1912 · Massachusetts
★ You are viewing this record
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-t0627-01677-00477)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rose Barton | 56 | Head | Maid | South Carolina |
| 42 | Rose Barton | 22 | Daughter | Inspector | Massachusetts |
| 43 | Margaret Barton | 20 | Daughter | Nurse | Massachusetts |
| 44 | George Libby | 27 | Son-in-law | Clerk | Massachusetts |
| 45 | Florence Libby | 24 | Daughter | — | Massachusetts |
| 46 | Alice Libby | 5 | Daughter | — | Massachusetts |
| 47 | Clarence Brodwick | 32 | Head | Bell-Man | Massachusetts |
| 48 | Dorothy Brodwick | 30 | Wife | — | Massachusetts |
| 49 | Beverly Brodwick | 5 | Daughter | — | Massachusetts |
| 50 | Harry Levenson | 47 | Head | Distributor | Russia |
| 51 | Sophie Levenson | 42 | Wife | — | Austria |
| 52 | Mildred Levenson | 23 | Daughter | Secretary | Massachusetts |
| 53 | Bernard Levenson | 19 | Son | Time Keeper | Massachusetts |
| 54 | Morris Becker | 50 | Head | Repair Man | Russia |
| 55 | Ida Becker | 41 | Wife | — | Russia |
| 56 | Conrad Nilsen | 46 | Head | Tool Maker | Norway |
| 57 | Aagot Nilsen | 44 | Wife | — | Norway |
| 58 | John Neville | 54 | Head | Dieman | Newfoundland |
| 59 | Emma Neville | 55 | Wife | — | New Brunswick |
| 60 | Harold Neville | 25 | Son | Rubber Operator | Massachusetts |
| 61 | Peter Benjaminsson | 73 | Head | Operator | Norway |
| 62 | Anna Benjaminsson | 52 | Wife | — | New York |
| 63 | Frank Benjaminsson | 10 | Son | — | Massachusetts |
| 64 | Robert Mccarthy THIS PERSON | 28 | Head | Laborer | Massachusetts |
| 65 | Helen Mccarthy | 26 | Wife | — | Massachusetts |
| 66 | Robert Jr. Mccarthy | 1 | Son | — | Massachusetts |
| 67 | James L. Masterton | 44 | Head | Agent | Massachusetts |
| 68 | Mary Masterton | 38 | Wife | — | Massachusetts |
| 69 | Dorothy Masterton | 13 | Daughter | — | Massachusetts |
| 70 | Walter Ledune | 54 | Head | Fireman | Massachusetts |
| 71 | Laura Ledune | 45 | Wife | — | Massachusetts |
| 72 | Carl Seaberg | 36 | Head | Clerk | Massachusetts |
| 73 | Evelyn Seaberg | 31 | Wife | Receptionist | Massachusetts |
| 74 | Frank Persico | 53 | Head | Cobbler | Italy |
| 75 | Carmelini Persico | 51 | Wife | — | Italy |
| 76 | Olive Persico | 26 | Daughter | Press Operator | Italy |
| 77 | Rose Persico | 23 | Daughter | Press Operator | Massachusetts |
| 78 | Dennis Casey | 58 | Head | Supervisor | Massachusetts |
| 79 | Mary Casey | 26 | Daughter | — | Massachusetts |
| 80 | Katherine Casey | 23 | Daughter | Machine Operator | Massachusetts |
Pedigree Summary
Robert
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)