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John Scanlon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this John Scanlon across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 3-person household.
Age 50
b. ~1890
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Scanlon |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Electrician |
| Industry | Street Railways |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Electrician |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Minnie Scanlon | Spouse | — | 48 | ~1892 |
| John Scanlon | Head | — | 50 | ~1890 |
| Frances Scanlon | Daughter | — | 21 | ~1919 |
Census Appearances
1920
Marion, Indiana
Head, age 30
Marion, Indiana · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Scanlon |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Electrician |
| Industry | St. Car Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Head, age 40
Marion, Indiana · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | SCANLON |
| Given Name | JOHN F |
| Relationship to Head | HEAD |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 24 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Electrician |
| Industry | Street Ry. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Head, age 50
Marion-County, Indiana · implied b. ~1890 — 3 household members
| Surname | Scanlon |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Electrician |
| Industry | Street Railways |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| 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 Scanlon across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Scanlon
Head · 1940 · age 50 · b. ~1890 · Indiana
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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
39 people indexed on this census page (nara:1940:m-t0627-01122-00695)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Parish | 30 | Head | Automobile Mechanic | Indiana |
| 2 | Henrietta Parish | 24 | Wife | — | Indiana |
| 3 | George Wolf | 36 | Head | Layout Man | Germany |
| 4 | Alice Wolf | 27 | Wife | — | Germany |
| 5 | George Jr. Wolf | 1 | Son | — | Indiana |
| 6 | Harry H. Oberlies | 55 | Head | Screen Manufacturer | Indiana |
| 7 | Minnie L. Oberlies | 54 | Wife | — | Indiana |
| 8 | William Lucht | 73 | Head | Packer | Indiana |
| 9 | Bertha Lucht | 68 | Wife | — | Indiana |
| 10 | Leo O. Sweezy | 44 | Head | Telegrapher | Indiana |
| 11 | Margaret Sweezy | 42 | Wife | Bookkeeper | Indiana |
| 12 | Leonard Sweezy | 18 | Son | — | Indiana |
| 13 | Dorothy Sweezy | 17 | Daughter | — | Indiana |
| 14 | Joann Sweezy | 14 | Daughter | — | Indiana |
| 15 | Marjorie Sweezy | 9 | Daughter | — | Indiana |
| 16 | Lena J. Sweezy | 76 | Mother | — | Indiana |
| 18 | Robert Hartsock | 24 | Head | Shipping Clerk | Indiana |
| 19 | Julia Hartsock | 19 | Wife | — | Indiana |
| 20 | Jean Ann Hartsock | 3 | Daughter | — | Indiana |
| 21 | John Hartsock | 1 | Son | — | Indiana |
| 22 | C. Conrad Temple | 32 | Head | Office Manager | Indiana |
| 23 | Wynona Temple | 31 | Wife | — | Indiana |
| 24 | Philip J. Temple | 2 | Son | — | Indiana |
| 25 | Patricia May | 10 | Stepdaughter | — | Indiana |
| 26 | Michael May | 8 | Stepson | — | Indiana |
| 27 | Ronald May | 7 | Stepson | — | Indiana |
| 28 | John F. Scanlon THIS PERSON | 50 | Head | Electrician | Indiana |
| 29 | Minnie Scanlon | 48 | Wife | — | Indiana |
| 30 | Frances Scanlon | 21 | Daughter | Comptometer Operator | Indiana |
| 31 | C. J. Lucht | 44 | Head | Salesman | Indiana |
| 32 | Geraldine Lucht | 42 | Wife | Saleslady | Indiana |
| 33 | Henry Scavaliers | 44 | Head | Tailor | Indiana |
| 34 | Lalah Scavaliers | 43 | Wife | Stenographer | Indiana |
| 35 | Charles Marqua | 30 | Head | Nightwatchman | Indiana |
| 36 | Florence Marqua | 26 | Wife | — | Indiana |
| 37 | David Marqua | 5 | Son | — | Indiana |
| 38 | Ray Price | 56 | Father-in-law | Lacquer Sprayer | Indiana |
| 39 | Grace Price | 46 | Mother-in-law | — | Indiana |
| 40 | Daniel Clifford | 25 | Head | Shipping Clerk | Illinois |
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)