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William Dunlap — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, Mississippi
Our Model Tree links this William Dunlap across the 1930 and 1940 US Censuses in Union-County, Mississippi (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 6-person household.
Age 16
b. ~1924
Male
Son
Born: Mississippi
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, Mississippi |
| Surname | Dunlap |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat #4 |
| 1935 Residence (County) | Union |
| Additional Details | |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | Beat 4 |
| Est. Birth Year | ~1924 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Clark Dunlap | Head | — | 37 | ~1903 |
| Lillian Dunlap | Spouse | — | 36 | ~1904 |
| Christine Dunlap | Daughter | — | 6 | ~1934 |
| Janette Dunlap | Daughter | — | 9 | ~1931 |
| Ray Dunlap | Son | — | 11 | ~1929 |
| William Dunlap | Son | — | 16 | ~1924 |
Census Appearances
1930
Union, Mississippi
Son, age 6
Union, Mississippi · implied b. ~1924 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunlap |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Union-County, Mississippi
Son, age 16
Union-County, Mississippi · implied b. ~1924 — 6 household members
| Surname | Dunlap |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat #4 |
| 1935 Residence (County) | Union |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 16 · b. ~1924 · Mississippi
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Sibling
Christine Dunlap
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Janette Dunlap
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Dunlap
Sibling · 1940 · age 11
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 — Union-County, Mississippi
Open full size
1940 US Federal Census — Union-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02072-00540)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joe H. Skinner | 66 | Head | Farmer | Mississippi |
| 42 | Amelia Skinner | 64 | Wife | — | Mississippi |
| 43 | Schrum M. Richey | 38 | Son-in-law | — | Alabama |
| 44 | Clark T. Dunlap | 37 | Head | Farmer | Mississippi |
| 45 | Lillian G. Dunlap | 36 | Wife | — | Mississippi |
| 46 | William H. Dunlap THIS PERSON | 16 | Son | — | Mississippi |
| 47 | Ray Dunlap | 11 | Son | — | Mississippi |
| 48 | Janette Dunlap | 9 | Daughter | — | Mississippi |
| 49 | Christine Dunlap | 6 | Daughter | — | Mississippi |
| 50 | John P. Dunlap | 64 | Head | Farmer | Mississippi |
| 51 | Gula Dunlap | 61 | Wife | — | Mississippi |
| 52 | Alice Dunlap | 29 | Daughter | Farm Laborer | Mississippi |
| 53 | Samuel Dunlap | 23 | Son | Farm Laborer | Mississippi |
| 54 | Arlie Littlejohn | 21 | Grandson | Farm Laborer | Mississippi |
| 55 | Joe Dunlap | 23 | Head | Farmer | Mississippi |
| 56 | Annie Dunlap | 27 | Wife | — | Mississippi |
| 57 | Joann Dunlap | 2 | Daughter | — | Mississippi |
| 58 | Herman Dye | 32 | Head | Farmer | Mississippi |
| 59 | Mutie G. Dye | 26 | Wife | — | Mississippi |
| 60 | Doris Dye | 12 | Daughter | — | Mississippi |
| 61 | Harman Dye | 9 | Son | — | Mississippi |
| 62 | Miles Armstrong | 46 | Head | Farmer | Mississippi |
| 63 | Beulah G. Armstrong | 38 | Wife | — | Mississippi |
| 64 | Eula M. Armstrong | 19 | Daughter | — | Mississippi |
| 65 | Katie B. Armstrong | 14 | Daughter | — | Mississippi |
| 66 | Bobbie J. Armstrong | 6 | Daughter | — | Mississippi |
| 67 | Ernest Marman | 47 | Head | Farmer | Mississippi |
| 68 | Lois Marman | 35 | Wife | — | Mississippi |
| 69 | Ernest Jr. Marman | 13 | Son | — | Mississippi |
| 70 | Eugene Marman | 11 | Son | — | Mississippi |
| 71 | Billie Marman | 7 | Son | — | Mississippi |
| 72 | Lanette Marman | 3 | Daughter | — | Mississippi |
| 73 | Sam Dillard | 55 | Head | Farmer | Mississippi |
| 74 | Josie Dillard | 56 | Wife | — | Mississippi |
| 75 | Bessie Dillard | 30 | Daughter | Farm Laborer | Mississippi |
| 76 | Echert Dillard | 22 | Son | Farm Laborer | Mississippi |
| 77 | Elms Dillard | 19 | Son | — | Mississippi |
| 78 | Edward Dillard | 16 | Son | — | Mississippi |
| 79 | Dean Biffle | 27 | Head | Farm Laborer | Mississippi |
| 80 | Minnie M. Biffle | 22 | Wife | — | Mississippi |
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)