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John Mccarthy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this John Mccarthy across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Charles & Stella — first a son (b.~1890), then head of a 7-person household.
Age 50
b. ~1890
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | McCarthy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Inapls |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Printer |
| Industry | Publishing Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1040 |
| Highest Grade | Hs 4 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Printer |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1890 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Mary Mccarthy | Daughter | — | 46 | ~1894 |
| Laura Mccarthy | Daughter | — | 51 | ~1889 |
| Albert Romans | Head | — | 41 | ~1899 |
| Ella Mccarthy | Other | — | 77 | ~1863 |
| John Mccarthy | Son | — | 50 | ~1890 |
| Albert Romans | Son | — | 18 | ~1922 |
| Moneta Romans | Spouse | — | 39 | ~1901 |
Census Appearances
1920
Marion, Indiana
Son, age 28
Marion, Indiana · implied b. ~1892 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | John C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Printer |
| Industry | Newspaper |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 40
Marion, Indiana · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | John C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Printer |
| Industry | Printing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 50
Marion-County, Indiana · implied b. ~1890 — 7 household members
| Surname | McCarthy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Inapls |
| 1935 Residence (County) | Marion |
| Occupation | Printer |
| Industry | Publishing Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1040 |
| Highest Grade | Hs 4 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Mccarthy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Mccarthy (~0.92 confidence) and mother Stella Mccarthy (~0.92 confidence) and father Albert Romans (~0.50 confidence) and mother Moneta Romans (~0.50 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.71
Father
Charles Mccarthy
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Stella Mccarthy
b. ~1863
Source mother
● Household
· direct · ~0.92
Father
Albert Romans
b. ~1899
Source father
● Household
· direct · ~0.5
Mother
Moneta Romans
b. ~1901
Source mother
● Household
· direct · ~0.5
This person
Anchor record
John Mccarthy
Son · 1940 · age 50 · b. ~1890 · Indiana
★ You are viewing this record
Sibling
Albert Romans
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Laura Mccarthy
Sibling · 1940 · age 51
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mccarthy
Sibling · 1940 · age 46
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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01126-00014)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Sadler | 22 | Daughter | Stenographer | Indiana |
| 42 | Block | None | — | — | — |
| 43 | Joseph Kelar | 42 | Head | Fireman | Indiana |
| 44 | Olive Kelar | 41 | Wife | — | Indiana |
| 45 | Alvin F. Swank | 65 | Head | Linotype | Indiana |
| 46 | Emma B. Swank | 56 | Wife | — | Indiana |
| 47 | Elizabeth Redding | 76 | Head | — | Indiana |
| 48 | Lacy Harper | 75 | Lodger | — | Indiana |
| 49 | Bess Cothren | 45 | Head | Seamstress | Indiana |
| 50 | Geo Van Day | 32 | Lodger | Engraver | Michigan |
| 51 | Johanna Van Day | 32 | Lodger | — | Michigan |
| 52 | Edw Troy | 31 | Head | Owner | Indiana |
| 53 | Helen Troy | 30 | Wife | Bookkeeper | Indiana |
| 54 | James Troy | 1 | Son | — | Indiana |
| 55 | Chester F. Redding | 45 | Head | Druggist | Indiana |
| 56 | Lola T. Redding | 40 | Wife | Saleslady | Indiana |
| 57 | Richard Redding | 20 | Son | — | Indiana |
| 58 | Marjorie Redding | 17 | Daughter | — | Indiana |
| 59 | Raymond Knoop | 43 | Head | Follower | Indiana |
| 60 | Mary Knoop | 40 | Wife | — | Indiana |
| 61 | Ray Jr. Knoop | 18 | Son | — | Indiana |
| 62 | — | None | — | — | — |
| 63 | Edwin M. Steers | 58 | Head | Attorney | Indiana |
| 64 | Lula E. Steers | 53 | Wife | — | Indiana |
| 65 | Byron Brenton | 29 | Son-in-law | Station Operator | Indiana |
| 66 | Pearl Y. Brenton | 28 | Daughter | Investigator | Indiana |
| 67 | Samuel Wilson | 68 | Head | — | Indiana |
| 68 | Grace Wilson | 51 | Wife | Librarian | Indiana |
| 69 | Albert D. Romans | 41 | Head | Truck Operator | Kentucky |
| 70 | Moneta Romans | 39 | Wife | — | Kentucky |
| 71 | Albert Jr. Romans | 18 | Son | — | Missouri |
| 72 | Ella Mccarthy | 77 | Mother-in-law | — | Indiana |
| 73 | Laura Mccarthy | 51 | Daughter | Teacher | Indiana |
| 74 | John Mccarthy THIS PERSON | 50 | Son | Printer | Indiana |
| 75 | Mary Mccarthy | 46 | Daughter | — | Indiana |
| 76 | Arthur C. De Jona | 57 | Head | Dept Mgr | Ohio |
| 77 | Flora De Jona | 53 | Wife | — | Maryland |
| 78 | Louis W. De Jona | 28 | Son | — | Indiana |
| 79 | Lucille G. De Jona | 16 | Daughter | — | Indiana |
| 80 | Henry Schweitzer | 53 | Lodger | Specification Engineer | Illinois |
Pedigree Summary
John + 3 siblings
Gen 1 · 4 parents
~0.71
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)