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William Dunlap — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Richland-County, Louisiana
Our Model Tree links this William Dunlap across the 1930 and 1940 US Censuses in Richland-County, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Richland-County, Louisiana |
| Surname | Dunlap |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 4 |
| 1935 Residence (County) | Richland |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 4 |
| Est. Birth Year | ~1928 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Bertha Dunlap | Spouse | — | 50 | ~1890 |
| William Dunlap | Head | — | 54 | ~1886 |
| Forest Dunlap | Son | — | 7 | ~1933 |
| Billie Dunlap | Son | — | 5 | ~1935 |
| William Dunlap | Son | — | 12 | ~1928 |
| L Dunlap | Son | — | 3 | ~1937 |
| Charles Dunlap | Son | — | 11 | ~1929 |
Census Appearances
1930
Richland, Louisiana
Son, age 1
Richland, Louisiana · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunlap |
| Given Name | Willie Jr |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | none |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Richland-County, Louisiana
Son, age 12
Richland-County, Louisiana · implied b. ~1928 — 7 household members
| Surname | Dunlap |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 4 |
| 1935 Residence (County) | Richland |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 William Dunlap across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Dunlap
Son · 1940 · age 12 · b. ~1928 · Louisiana
★ You are viewing this record
Sibling
Billie Dunlap
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Dunlap
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Forest Dunlap
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
L Dunlap
Sibling · 1940 · age 3
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 — Richland-County, Louisiana
Open full size
1940 US Federal Census — Richland-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01444-00141)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Theodosia Collins | 45 | Wife | — | Louisiana |
| 2 | Lula Mae Collins | 16 | Daughter | — | Louisiana |
| 3 | Elizabeth Collins | 12 | Daughter | — | Louisiana |
| 4 | Theodosia Collins | 10 | Daughter | — | Louisiana |
| 5 | Pauline Turner | 35 | Head | Farmer | Louisiana |
| 6 | General Herring | 50 | Brother | Farmer | Louisiana |
| 7 | William M. Dunlap | 37 | Head | Farmer | Louisiana |
| 8 | Florence Dunlap | 37 | Wife | — | Louisiana |
| 9 | George Herring | 19 | Lodger | Farm Laborer | Louisiana |
| 10 | Otto W. Castel | 33 | Head | Farmer | Mississippi |
| 11 | Annie Pearl Castel | 23 | Wife | — | Mississippi |
| 12 | Joan Castel | 4 | Daughter | — | Louisiana |
| 13 | Richard Garley | 60 | Head | Farmer | England |
| 14 | Myrtle Garley | 39 | Wife | — | Louisiana |
| 15 | Bertha Garley | 22 | Daughter | — | Louisiana |
| 16 | Richard Garley | 17 | Son | — | Louisiana |
| 17 | Dorothy Garley | 13 | Daughter | — | Louisiana |
| 18 | L. Nolan Ashley | 23 | Head | Farmer | Louisiana |
| 19 | Etha Ashley | 24 | Wife | — | Louisiana |
| 20 | Raymond Ashley | 0 | Son | — | Louisiana |
| 21 | C. Kelly Russell | 37 | Head | Farmer | Mississippi |
| 22 | Dora Russell | 30 | Wife | — | Louisiana |
| 23 | Cecil Russell | 5 | Son | — | Louisiana |
| 24 | Mary Ann Russell | 3 | Daughter | — | Louisiana |
| 25 | Margaret Russell | 2 | Daughter | — | Louisiana |
| 26 | Ladine Russell | 0 | Daughter | — | Louisiana |
| 27 | William Dunlap | 54 | Head | Farmer | Louisiana |
| 28 | Bertha Dunlap | 50 | Wife | — | Louisiana |
| 29 | William Jr. Dunlap THIS PERSON | 12 | Son | — | Louisiana |
| 30 | Charles Dunlap | 11 | Son | — | Louisiana |
| 31 | Forest Dunlap | 7 | Son | — | Louisiana |
| 32 | Billie Dunlap | 5 | Son | — | Louisiana |
| 33 | L. Eldon Dunlap | 3 | Son | — | Louisiana |
| 34 | Ellie Herring | 43 | Head | Farm Laborer | Louisiana |
| 35 | Henry D. Adams | 39 | Head | Principal | Louisiana |
| 36 | Velma Adams | 38 | Wife | Teacher | Louisiana |
| 37 | Mary Metcalfe | 21 | Lodger | Teacher | Louisiana |
| 38 | Josephine Phillips | 22 | Lodger | Teacher | Louisiana |
| 39 | Lionel L. Adams | 27 | Cousin | Teacher | Louisiana |
| 40 | Betty Newbury | 30 | Lodger | Teacher | 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)