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John Dunlap — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Madison-County, Louisiana
Our Model Tree links this John Dunlap across the 1930 and 1940 US Censuses in Madison-County, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 12-person household.
Age 10
b. ~1930
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Louisiana |
| Surname | Dunlap |
| Given Name | John Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | La. |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 6 |
| Est. Birth Year | ~1930 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Dunlap | Son | — | 10 | ~1930 |
| Bernice Dunlap | Daughter | — | 9 | ~1931 |
| Katie Dunlap | Daughter | — | 15 | ~1925 |
| Bernice Dunlap | Spouse | — | 38 | ~1902 |
| Lazarus Dunlap | Son | — | 18 | ~1922 |
| Henry Dunlap | Head | — | 48 | ~1892 |
| Minnie Dunlap | Daughter | — | 12 | ~1928 |
| Joseph Dunlap | Son | — | 7 | ~1933 |
| Dorothy Dunlap | Daughter | — | ~1940 | |
| Daisy Dunlap | Daughter | — | 6 | ~1934 |
| Benjamin Dunlap | Son | — | 2 | ~1938 |
| Jezebel Dunlap | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Madison, Louisiana
Son, age
Madison, Louisiana · implied b. ~1930 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunlap |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Madison-County, Louisiana
Son, age 10
Madison-County, Louisiana · implied b. ~1930 — 12 household members
| Surname | Dunlap |
| Given Name | John Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Madison |
| Highest Grade | No 2 |
| 1935 Residence | La. |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 Dunlap across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Dunlap
Son · 1940 · age 10 · b. ~1930 · Louisiana
★ You are viewing this record
Sibling
Bernice Dunlap
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Dunlap
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jezebel Dunlap
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Dunlap
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benjamin Dunlap
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katie Dunlap
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Minnie Dunlap
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lazarus Dunlap
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daisy Dunlap
Sibling · 1940 · age 6
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 — Madison-County, Louisiana
Open full size
1940 US Federal Census — Madison-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01412-00938)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Patsy Tate | 2 | Daughter | — | Louisiana |
| 42 | Joe Hailey | 32 | Head | Section Hand | Louisiana |
| 43 | Jewelee Hailey | 22 | Wife | — | Louisiana |
| 44 | Emma Lee Hailey | 3 | Daughter | — | Louisiana |
| 45 | Joe, Jr. Hailey | 1 | Son | — | Louisiana |
| 46 | Mother Lizzie | None | F | — | — |
| 47 | Annie Hillie | 40 | Head | Teacher | Louisiana |
| 48 | Bud Taylor | 35 | Head | Section Hand | Louisiana |
| 49 | Anna Taylor | 38 | Wife | — | Louisiana |
| 50 | Edward Taylor | 17 | Son | Section Hand | Louisiana |
| 51 | C. E. Abbot | 64 | Head | Section Foreman | Kentucky |
| 52 | Myrtle Abbot | 45 | Wife | — | Texas |
| 53 | Hazel Abbot | 10 | Daughter | — | Louisiana |
| 54 | Henry Dunlap | 48 | Head | Farmer | Louisiana |
| 55 | Bernice Dunlap | 38 | Wife | — | Louisiana |
| 56 | Lazarus Dunlap | 18 | Son | Farm Laborer | Louisiana |
| 57 | Katie Bell Dunlap | 15 | Daughter | — | Louisiana |
| 58 | Jezebel Dunlap | 14 | Daughter | — | Louisiana |
| 59 | Minnie Dunlap | 12 | Daughter | — | Louisiana |
| 60 | John Henry Dunlap THIS PERSON | 10 | Son | — | Louisiana |
| 61 | Bernice Dunlap | 9 | Daughter | — | Louisiana |
| 62 | Joseph Dunlap | 7 | Son | — | Louisiana |
| 63 | Daisy Lou Dunlap | 6 | Daughter | — | Louisiana |
| 64 | Benjamin Dunlap | 2 | Son | — | Louisiana |
| 65 | Dorothy Lee Dunlap | 0 | Daughter | — | Louisiana |
| 66 | Arthur Jones | 57 | Head | Farmer | Mississippi |
| 67 | Creasy Jones | 54 | Wife | — | Mississippi |
| 68 | Hill Jones | 20 | Son | Farmer | Louisiana |
| 69 | Hattie Mae Jones | 12 | Daughter | — | Louisiana |
| 70 | Robert Robertson | 49 | Head | Farmer | Mississippi |
| 71 | Katie Robertson | 54 | Wife | — | Louisiana |
| 72 | Jim Robertson | 16 | Son | Farm Laborer | Louisiana |
| 73 | Robert Jr Robertson | 14 | Son | Farm Laborer | Louisiana |
| 74 | Lylia Robertson | 12 | Daughter | — | Louisiana |
| 75 | Lizzie Robertson | 10 | Daughter | — | Louisiana |
| 76 | Mose Robertson | 9 | Son | — | Louisiana |
| 77 | Clyde Robertson | 8 | Son | — | Louisiana |
| 78 | George Robertson | 5 | Son | — | Louisiana |
| 79 | Bobbie Lee Robertson | 4 | Daughter | — | Louisiana |
| 80 | David Robertson | 3 | Son | — | Louisiana |
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)