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John Mccarty — 1920 US Census Record
Model Tree available1920 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this John Mccarty across the 1920, 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed), with identified parents William & John — first a son (b.~1910), then head of a 4-person household.
Age 10
b. ~1910
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Suffolk, Massachusetts |
| Surname | McCarty |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Chelsea City |
| Est. Birth Year | ~1910 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| William Mccarty | Head | — | 45 | ~1875 |
| William Mccarty | Son | — | 15 | ~1905 |
| John Mccarty | Son | — | 10 | ~1910 |
| Nellie Mccarty | Spouse | — | 35 | ~1885 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 10
Suffolk, Massachusetts · implied b. ~1910 — 4 household members
| Surname | McCarty |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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 20
Suffolk, Massachusetts · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Post Clerk |
| Industry | Insurance office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
Head, age 31
Suffolk-County, Massachusetts · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | John F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Police Officer |
| Industry | City |
| Class of Worker | GW |
| Hours Worked | 20 |
| Income (1939) | 604 |
| Highest Grade | H-4 |
| 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 John Mccarty across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Mccarty (~0.92 confidence) and father John Mccarthy (~0.92 confidence) and mother Nellie Mccarty (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Mccarty
b. ~1875
Source father
● Household
· direct · ~0.92
Father
John Mccarthy
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Nellie Mccarty
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mccarty
Son · 1920 · age 10 · b. ~1910 · Massachusetts
★ You are viewing this record
Sibling
William Mccarty
Sibling · 1920 · age 15
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
1920 US Federal Census — Suffolk, Massachusetts
Open full size
1920 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu743unit:0174)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Louise Hagan | 4 | Daughter | — | Massachusetts |
| 52 | Frances Hagan | 3 | Daughter | — | Massachusetts |
| 53 | Helen Hagan | 1 | Daughter | — | Massachusetts |
| 54 | William H. Mccarty | 45 | Head | Sole Maker | Massachusetts |
| 55 | Nellie G. Mccarty | 35 | Wife | — | Massachusetts |
| 56 | William C. Mccarty | 15 | Son | Counter Sorter | Massachusetts |
| 57 | John F. Mccarty THIS PERSON | 10 | Son | — | Massachusetts |
| 58 | Arthur C. Lane | 51 | Head | Salesman | New Hampshire |
| 59 | Helen Lane | 61 | Wife | — | Germany |
| 60 | Reuben Legrow | 31 | Head | Carpenter | Newfoundland |
| 61 | Mary Legrow | 23 | Wife | — | Newfoundland |
| 62 | Lady Legrow | 2 | Daughter | — | Massachusetts |
| 63 | Dorothy H. Legrow | 1 | Daughter | — | Massachusetts |
| 64 | Harry W. Legrow | 19 | Brother | Carpenter | Newfoundland |
| 65 | Thomas J. Gaffney | 29 | Head | Ship Fitter | Massachusetts |
| 66 | Sarah G. Gaffney | 28 | Wife | — | Massachusetts |
| 67 | Thomas J. Jr. Gaffney | 7 | Son | — | Massachusetts |
| 68 | Jules Thys | 31 | Head | Cigar Maker | Belgium |
| 69 | Malvina Thys | 31 | Wife | — | Belgium |
| 70 | Mariette Thys | 9 | Daughter | — | Belgium |
| 71 | Max Peterlosky | 62 | Head | Tailor | Russian Poland |
| 72 | Leah Peterlosky | 62 | Wife | — | Russian Poland |
| 73 | Sarah Peterlosky | 21 | Daughter | Bookkeeper | Massachusetts |
| 74 | Gustave Rateau | 30 | Head | Gas Maker | Belgium |
| 75 | Rosalie Rateau | 31 | Wife | — | Belgium |
| 76 | Annie Rateau | 5 | Daughter | — | Massachusetts |
| 77 | Arthur Rateau | 1 | Son | — | Massachusetts |
| 78 | Michael Britt | 26 | Head | Scaler | Massachusetts |
| 79 | Mary Britt | 24 | Wife | Box Maker | Massachusetts |
| 80 | Samuel Brooks | 33 | Head | Upholsterer | Lithua Russia |
| 81 | Sarah Brooks | 28 | Wife | — | Roumania |
| 82 | Ray Brooks | 5 | Daughter | — | New York |
| 83 | Nathan Brooks | 2 | Son | — | Massachusetts |
| 84 | James Pike | 45 | Head | Repairer | Newfoundland |
| 85 | Blanche W. Pike | 18 | Daughter | — | Massachusetts |
| 86 | James E. Pike | 16 | Son | Laborer | Massachusetts |
| 87 | William J. Pike | 10 | Son | — | Massachusetts |
| 88 | Marion S. Pike | 7 | Daughter | — | Massachusetts |
| 89 | Cephas Pike | 5 | Son | — | Massachusetts |
| 90 | Ethel Pike | 3 | Daughter | — | Massachusetts |
| 91 | Paul E. Pierce | 22 | Boarder | Machinist | Massachusetts |
| 92 | James C. Pike | 69 | Father-in-law | Electrician | Newfoundland |
| 93 | Patrick J. Murphy | 48 | Head | Laborer | Massachusetts |
| 94 | Margaret Murphy | 49 | Wife | — | Massachusetts |
| 95 | Elias Grimes | 57 | Head | Fireman | Nova Scotia |
| 96 | Minnie R. Grimes | 45 | Wife | — | Massachusetts |
| 97 | Evelyn M. Grimes | 18 | Step-daughter | Filing Clerk | Massachusetts |
| 98 | Morris Greenberg | 26 | Head | Chauffeur | Lithua Russia |
| 99 | Bessie Greenberg | 25 | Wife | — | Lithua Russia |
| 100 | Sylvia Greenberg | 6 | Daughter | — | Massachusetts |
Related Census Records
Pedigree Summary
John + 1 sibling
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)