WM
William Mccarthy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Oswego-County, New York
Our Model Tree links this William Mccarthy across the 1920, 1930 and 1940 US Censuses in Oswego-County, New York (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1912), then head of a 5-person household.
Age 28
b. ~1912
Male
Son
Born: Connecticut
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Oswego-County, New York |
| Surname | McCarthy |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Connecticut |
| 1935 Residence (City) | Granby |
| 1935 Residence (County) | Oswego |
| Additional Details | |
| Occupation | Fireman |
| Industry | Woolen Mill |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 351 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Occupation | Fireman |
| Township / Ward | Granby |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Helen Mccarthy | Daughter | — | 30 | ~1910 |
| Norma Mccarthy | Daughter | — | 32 | ~1908 |
| William Mccarthy | Head | — | 66 | ~1874 |
| William Mccarthy | Son | — | 28 | ~1912 |
| Margaret Mccarthy | Spouse | — | 59 | ~1881 |
Census Appearances
1920
Oswego, New …
Son, age 8
Oswego, New York · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Connecticut |
| Father's Birthplace | New York |
| Mother's Birthplace | Connecticut |
| Speaks English | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1930
Oswego, New …
Son, age 18
Oswego, New York · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Connecticut |
| Father's Birthplace | New York |
| Mother's Birthplace | Connecticut |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1940
Oswego-County, New …
Son, age 28
Oswego-County, New York · implied b. ~1912 — 5 household members
| Surname | McCarthy |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Connecticut |
| 1935 Residence (City) | Granby |
| 1935 Residence (County) | Oswego |
| Occupation | Fireman |
| Industry | Woolen Mill |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 351 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
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 Mccarthy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Mccarthy (~0.92 confidence) and father William Mccarthy (~0.92 confidence) and father William Mccarthy (~0.92 confidence) and mother Margaret Mccarthy (~0.92 confidence) and mother Margaret Mccarthy (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Mccarthy
b. ~1874
Source father
● Household
· direct · ~0.92
Father
William Mccarthy
b. ~1874
Source father
● Household
· direct · ~0.92
Father
William Mccarthy
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Margaret Mccarthy
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Margaret Mccarthy
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Mccarthy
Son · 1940 · age 28 · b. ~1912 · New York
★ You are viewing this record
Sibling
Norma Mccarthy
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mccarthy
Sibling · 1940 · age 30
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 — Oswego-County, New York
Open full size
1940 US Federal Census — Oswego-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02714-00527)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Boyd | 60 | Head | Retired Teacher | Vermont |
| 2 | William Austin | 78 | Hired man | Laborer | New York |
| 3 | Thomas Walters | 29 | Head | Farmer | New York |
| 4 | Clara Walters | 34 | Wife | — | New York |
| 5 | George Finck | 26 | Head | Farming | New York |
| 6 | Thelma Finck | 26 | Wife | — | New York |
| 7 | Joan Finck | 4 | Daughter | — | New York |
| 8 | Sonja Finck | 2 | Daughter | — | New York |
| 9 | George Burgess | 71 | Head | Farming | New York |
| 10 | Catherine Burgess | 71 | Wife | — | New York |
| 11 | Arthur Dashnau | 36 | Head | Carpenter | New York |
| 12 | Mildred Dashnau | 37 | Wife | — | New York |
| 13 | Eleanor Dashnau | 13 | Daughter | — | New York |
| 14 | Marilyn Dashnau | 10 | Daughter | — | New York |
| 15 | Joseph Dashnau | 6 | Son | — | New York |
| 16 | Donald Dashnau | 3 | Son | — | New York |
| 17 | Leon Dashnau | 2 | Son | — | New York |
| 18 | Michael Johnson | 47 | Head | Fireman | Bulgaria |
| 19 | Florence Johnson | 50 | Wife | — | New York |
| 20 | William Mccarthy | 66 | Head | Farming | New York |
| 21 | Margaret Mccarthy | 59 | Wife | — | Connecticut |
| 22 | Norma Mccarthy | 32 | Daughter | Floor Lady | Connecticut |
| 23 | Helen Mccarthy | 30 | Daughter | Operator | Connecticut |
| 24 | William Mccarthy THIS PERSON | 28 | Son | Fireman | Connecticut |
| 25 | Samuel Smith | 46 | Head | — | North Carolina |
| 26 | Chloe Smith | 33 | Wife | — | Connecticut |
| 27 | Silas Smith | 14 | Son | — | New York |
| 28 | William Reynolds | 40 | Head | Farming | New York |
| 29 | Mertie Reynolds | 56 | Wife | — | New York |
| 30 | Donald Cooper | 29 | Head | Parts Man | New York |
| 31 | Carrie Cooper | 26 | Wife | — | New York |
| 32 | Allen Cooper | 4 | Son | — | New York |
| 33 | Donna Cooper | 2 | Daughter | — | New York |
| 34 | Karl Druce | 50 | Head | Mgr | New York |
| 35 | Alice Druce | 45 | Wife | — | New York |
| 36 | Robert Druce | 19 | Son | Bookkeeper | New York |
| 37 | Mildred Thompson | 66 | Mother-in-law | — | Germany |
| 38 | Samuel Prusinowski | 59 | Head | Farmer | Italy |
| 39 | Marie Prusinowski | 25 | Daughter | — | New York |
| 40 | Samuel Kenny | 28 | Head | Laborer | New York |
Pedigree Summary
William + 2 siblings
Gen 1 · 5 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)