MS
Mary Sloan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lawrence-County, Indiana
Our Model Tree links this Mary Sloan across the 1930 and 1940 US Censuses in Lawrence-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lawrence-County, Indiana |
| Surname | Sloan |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Mitchell City |
| 1935 Residence (County) | Lawrence |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Mitchell City |
| Est. Birth Year | ~1923 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Charles Sloan | Son | — | 13 | ~1927 |
| Lorfine Sloan | Daughter | — | 16 | ~1924 |
| Robert Sloan | Son | — | 7 | ~1933 |
| Lester Sloan | Head | — | 45 | ~1895 |
| Mary Sloan | Daughter | — | 17 | ~1923 |
| Stella Sloan | Spouse | — | 42 | ~1898 |
| Dorothy Sloan | Daughter | — | 9 | ~1931 |
Census Appearances
1930
Lawrence, Indiana
Daughter, age 7
Lawrence, Indiana · implied b. ~1923 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sloan |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Lawrence-County, Indiana
Daughter, age 17
Lawrence-County, Indiana · implied b. ~1923 — 7 household members
| Surname | Sloan |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Mitchell City |
| 1935 Residence (County) | Lawrence |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | H 3 |
| 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 Mary Sloan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Sloan
Daughter · 1940 · age 17 · b. ~1923 · Indiana
★ You are viewing this record
Sibling
Lorfine Sloan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Sloan
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Sloan
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Sloan
Sibling · 1940 · age 9
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 — Lawrence-County, Indiana
Open full size
1940 US Federal Census — Lawrence-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01071-00144)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Morris S Cohen | 30 | Head | Medical Doctor | Russia |
| 2 | Miriam Cohen | 24 | Wife | — | New Jersey |
| 3 | Albert E Holliday | 70 | Head | General Machinist | Indiana |
| 4 | Eva S Holliday | 66 | Wife | — | Indiana |
| 5 | Ollie Irwin | 56 | Lodger | Laborer | Indiana |
| 6 | Ray Kirk | 36 | Head | Truck Driver | Indiana |
| 7 | Vifna Kirk | 33 | Wife | — | Kentucky |
| 8 | Lester Sloan | 45 | Head | Brakeman | Indiana |
| 9 | Stella Sloan | 42 | Wife | — | Indiana |
| 10 | Mary Sloan THIS PERSON | 17 | daughter | — | Indiana |
| 11 | Lorfine Sloan | 16 | daughter | — | Indiana |
| 12 | Charles Sloan | 13 | son | — | Indiana |
| 13 | Dorothy Sloan | 9 | daughter | — | Indiana |
| 14 | Robert Sloan | 7 | son | — | Indiana |
| 15 | Barnett Jones | 27 | Head | Laborer | Indiana |
| 16 | Katherine Jones | 23 | wife | — | Indiana |
| 17 | Betty Alice Jones | 7 | daughter | — | Indiana |
| 18 | Dafvin Jones | 4 | son | — | Indiana |
| 19 | Howard Ribble | 28 | Head | Laborer | Indiana |
| 20 | Marie Ribble | 22 | wife | — | Indiana |
| 21 | Higgins David Ribble | 2 | step son | — | Indiana |
| 22 | Cynthia Jones | 86 | Head | — | Indiana |
| 23 | Elizabeth Pedigo | 59 | maid | Maid | Kentucky |
| 24 | William A Forbes | 57 | Head | Boiler Foreman | Indiana |
| 25 | Lucille Forbes | 44 | wife | — | Indiana |
| 26 | John Forbes | 25 | son | Clerk | Indiana |
| 27 | Billie W Forbes | 17 | son | — | Indiana |
| 28 | Charles R Forbes | 13 | son | — | Indiana |
| 29 | Owetah Forbes | 7 | daughter | — | Indiana |
| 30 | Harold Jr Forbes | 4 | son | — | Indiana |
| 31 | Harold Glaze | 30 | son in law | Operator | Indiana |
| 32 | Helen Glaze | 25 | daughter | Machine Operator | Indiana |
| 33 | Wilbur Clouse | 22 | Head | Laborer | Indiana |
| 34 | Alice Clouse | 20 | wife | — | Indiana |
| 35 | Wilda Massey | 62 | Head | — | Kentucky |
| 36 | J Roland Massey | 28 | son | Laborer | Kentucky |
| 37 | Edward Massey | 21 | son | — | Kentucky |
| 38 | Elsie Hardin | 16 | daughter | Waitress | Kentucky |
| 39 | Paul Grey | 25 | lodger | Laborer | Indiana |
| 40 | Fannie Presnell | 87 | Head | — | Indiana |
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)