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Joseph Mccarthy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this Joseph Mccarthy across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed), with identified parents Julia & William — first a head (b.~1907), then head of a 7-person household.
Age 33
b. ~1907
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | McCarthy |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Fireman |
| Industry | City Fire Dept |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 1920 |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Fireman |
| Township / Ward | Dayton |
| Est. Birth Year | ~1907 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Julia Mccarthy | Daughter | — | 10 | ~1930 |
| Alma Mccarthy | Daughter | — | 6 | ~1934 |
| Thomas Mccarthy | Son | — | 8 | ~1932 |
| Carol Mccarthy | Daughter | — | 5 | ~1935 |
| Joseph Mccarthy | Head | — | 33 | ~1907 |
| Alice Mccarthy | Spouse | — | 31 | ~1909 |
| Joseph Mccarthy | Son | — | 11 | ~1929 |
Census Appearances
1920
Montgomery, Ohio
Son, age 13
Montgomery, Ohio · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Montgomery, Ohio
Head, age 23
Montgomery, Ohio · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Chauffeur |
| Industry | Undertaker |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20.00 |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Montgomery-County, Ohio
Head, age 33
Montgomery-County, Ohio · implied b. ~1907 — 7 household members
| Surname | McCarthy |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton |
| 1935 Residence (County) | Montgomery |
| Occupation | Fireman |
| Industry | City Fire Dept |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 1920 |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Joseph Mccarthy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Julia Mccarthy (~0.92 confidence) and father William Mccarthy (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Julia Mccarthy
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
William Mccarthy
b. ~1873
Source father
● Household
· direct · ~0.92
This person
Anchor record
Joseph Mccarthy
Head · 1940 · age 33 · b. ~1907 · Ohio
★ 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 — Montgomery-County, Ohio
Open full size
1940 US Federal Census — Montgomery-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03251-00440)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert M. Vancamp | 15 | Bro-law | — | Ohio |
| 42 | Noah Anderson | 50 | Head | Painter | Ohio |
| 43 | Lela Anderson | 39 | Wife | — | Ohio |
| 44 | Thelma L. Anderson | 14 | Daughter | — | Ohio |
| 45 | Beatrice A. Anderson | 12 | Daughter | — | Ohio |
| 46 | David E. Anderson | 9 | Son | — | Ohio |
| 47 | Richard E. Anderson | 6 | Son | — | Ohio |
| 48 | Noah Jr. Anderson | 3 | Son | — | Ohio |
| 49 | John E. Clunk | 78 | Father-law | — | Ohio |
| 50 | Clarence B. Hall | 40 | Head | Truck Driver | Ohio |
| 51 | Mary M. Hall | 34 | Wife | — | Ohio |
| 52 | Clarence E. Hall | 19 | Son | Delivery Boy | Ohio |
| 53 | Betty J. Chappins | 8 | Niece | — | Ohio |
| 54 | Charles J. Luce | 48 | Lodger | Painter | Ohio |
| 55 | Lawrence E. Shade | 28 | Lodger | Truck Driver | Ohio |
| 56 | William Flanagan | 78 | Head | — | North Ireland |
| 57 | Marie Hurst | 52 | Daughter | — | Ohio |
| 58 | William Hurst | 20 | Grandson | — | Ohio |
| 59 | Richard Plessinger | 22 | Lodger | Labor | Ohio |
| 60 | Ella A. Dwyer | 74 | Head | — | Ohio |
| 61 | Margaret A. Ryan | 58 | Lodger | Labeler | Ohio |
| 62 | Daniel J. Ryan | 24 | Head | Assembler | Ohio |
| 63 | Margaret E. Ryan | 25 | Wife | — | Ohio |
| 64 | Carolyn A. Ryan | 0 | Daughter | — | Ohio |
| 65 | D. Castie | 51 | Mother | Baker | Ohio |
| 66 | John M. Patterson | 40 | Head | Wood Worker | Ohio |
| 67 | Olive L. Patterson | 40 | Wife | — | Ohio |
| 68 | Melvin L. Patterson | 16 | Son | — | Ohio |
| 69 | Robert J. Patterson | 12 | Son | — | Ohio |
| 70 | Nelson D. Patterson | 9 | Son | — | Ohio |
| 71 | John M. Jr. Patterson | 6 | Son | — | Ohio |
| 72 | Riley Newman | 66 | Head | — | Ohio |
| 73 | Ruth Newman | 51 | Wife | — | Ohio |
| 74 | Joseph Mccarthy THIS PERSON | 33 | Head | Fireman | Ohio |
| 75 | Alice Mccarthy | 31 | Wife | — | Ohio |
| 76 | Joseph Jr. Mccarthy | 11 | Son | — | Ohio |
| 77 | Julia A. Mccarthy | 10 | Daughter | — | Ohio |
| 78 | Thomas E. Mccarthy | 8 | Son | — | Ohio |
| 79 | Alma J. Mccarthy | 6 | Daughter | — | Ohio |
| 80 | Carol F. Mccarthy | 5 | Daughter | — | Ohio |
Pedigree Summary
Joseph
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)