MD
Mary Dunlap — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Mary Dunlap across the 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 12-person household.
Age 15
b. ~1925
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Dunlap |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | 0 |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1925 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| James Dunlap | Son | — | 16 | ~1924 |
| Ruth Dunlap | Daughter | — | 7 | ~1933 |
| Dorothy Dunlap | Daughter | — | 9 | ~1931 |
| Margaret Dunlap | Daughter | — | 11 | ~1929 |
| Harold Dunlap | Son | — | 5 | ~1935 |
| Gentry Dunlap | Son | — | 2 | ~1938 |
| Mary Dunlap | Daughter | — | 15 | ~1925 |
| Mose Dunlap | Head | — | 40 | ~1900 |
| Eleanor Purry | Other | — | 16 | ~1924 |
| Mary Ross | Other | — | 61 | ~1879 |
| Theodora Dunlap | Son | — | 12 | ~1928 |
| Martha Dunlap | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Marion, Indiana
Daughter, age 5
Marion, Indiana · implied b. ~1925 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunlap |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Daughter, age 15
Marion-County, Indiana · implied b. ~1925 — 12 household members
| Surname | Dunlap |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same house |
| 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 Dunlap across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dunlap
Daughter · 1940 · age 15 · b. ~1925 · Indiana
★ You are viewing this record
Sibling
Gentry Dunlap
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Dunlap
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Dunlap
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Dunlap
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Dunlap
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Dunlap
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodora Dunlap
Sibling · 1940 · age 12
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-t0627-01124-00423)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Viola Johnson | 35 | Wife | 0 | Indiana |
| 42 | Mary H. Johnson | 7 | Daughter | — | Indiana |
| 43 | William J. Johnson | 3 | Son | — | Indiana |
| 44 | Scottie C. Mayo | 16 | Step-son | 0 | Indiana |
| 45 | Allee Mayo | 13 | Step-daughter | — | Indiana |
| 46 | Josephine Foster | 45 | Head | Sewing | Kentucky |
| 47 | Eliza H. Butler | 65 | Lodger | 0 | Tennessee |
| 48 | Muncie Williams | 58 | Head | 0 | Tennessee |
| 49 | Mary A. Williams | 15 | Daughter | 0 | Tennessee |
| 50 | Cecile P. Williams | 25 | Son | — | Tennessee |
| 51 | Charles Palmer | 25 | Son-in-law | Elevator Man | Illinois |
| 52 | Marguerite Palmer | 20 | Daughter | 0 | Tennessee |
| 53 | Rodney Britt | 44 | Head | Laborer | Kentucky |
| 54 | Anita Britt | 38 | Wife | 0 | Kentucky |
| 55 | James H. West | 19 | Brother-in-law | 0 | Kentucky |
| 56 | Francis Cole | 20 | Niece | 0 | Indiana |
| 57 | Betty M. Good | 19 | Niece | 0 | Kentucky |
| 58 | Agatha Hanna | 24 | Head | 0 | Kentucky |
| 59 | Audrey J. Hanna | 7 | Daughter | — | Indiana |
| 60 | Kenneth A. Hanna | 6 | Son | — | Indiana |
| 61 | James Hanna | 3 | Son | — | Indiana |
| 62 | Henry R. Jackson | 53 | Head | Laborer | Kentucky |
| 63 | Abbie J. Jackson | 51 | Wife | 0 | Tennessee |
| 64 | Florence L. Jackson | 11 | Daughter | — | Indiana |
| 65 | Mary L. Jackson | 76 | Mother | 0 | Kentucky |
| 66 | Herbert Anderson | 52 | Lodger | Laborer | Indiana |
| 67 | Mose E. Dunlap | 40 | Head | Chauffer | Kentucky |
| 68 | Martha E. Dunlap | 34 | Wife | 0 | Indiana |
| 69 | James L. Dunlap | 16 | Son | 0 | Indiana |
| 70 | Mary L. Dunlap THIS PERSON | 15 | Daughter | 0 | Indiana |
| 71 | Theodora H. Dunlap | 12 | Son | — | Indiana |
| 72 | Margaret A. Dunlap | 11 | Daughter | — | Indiana |
| 73 | Dorothy A. Dunlap | 9 | Daughter | — | Indiana |
| 74 | Ruth E. Dunlap | 7 | Daughter | — | Indiana |
| 75 | Harold E. Dunlap | 5 | Son | — | Indiana |
| 76 | Gentry R. Dunlap | 2 | Son | — | Indiana |
| 77 | Eleanor G. Purry | 16 | Grand-daughter | — | Ohio |
| 78 | Mary E. C. Ross | 61 | Mother-in-law | — | Kentucky |
| 79 | Harry R. Humphrey | 37 | Head | Janitor | Alabama |
| 80 | Dannie B. Humphrey | 35 | Wife | 0 | Alabama |
Related Census Records
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)