WM
William Mullen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dubois-County, Indiana
Our Model Tree links this William Mullen across the 1930 and 1940 US Censuses in Dubois-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 13-person household.
Age 12
b. ~1928
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dubois-County, Indiana |
| Surname | Mullen |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Jackson Township |
| 1935 Residence (County) | Dubois |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Jackson Township |
| 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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Martha Mullen | Spouse | — | 43 | ~1897 |
| Patricia Mullen | Daughter | — | 10 | ~1930 |
| Martha Mullen | Daughter | — | ~1940 | |
| Homer Mullen | Son | — | 22 | ~1918 |
| Donald Mullen | Son | — | 4 | ~1936 |
| Gerald Mullen | Son | — | 5 | ~1935 |
| Mary Mullen | Daughter | — | 8 | ~1932 |
| William Mullen | Head | — | 57 | ~1883 |
| Albert Mullen | Son | — | 18 | ~1922 |
| Chester Mullen | Son | — | 16 | ~1924 |
| Kermit Mullen | Son | — | 14 | ~1926 |
| Winifred Mullen | Daughter | — | 19 | ~1921 |
| William Mullen | Son | — | 12 | ~1928 |
Census Appearances
1930
Dubois, Indiana
Son, age 2
Dubois, Indiana · implied b. ~1928 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mullen |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Dubois-County, Indiana
Son, age 12
Dubois-County, Indiana · implied b. ~1928 — 13 household members
| Surname | Mullen |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Jackson Township |
| 1935 Residence (County) | Dubois |
| Highest Grade | No 6 |
| 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 William Mullen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Mullen
Son · 1940 · age 12 · b. ~1928 · Indiana
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Sibling
Chester Mullen
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Mullen
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Mullen
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Mullen
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Mullen
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mullen
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Winifred Mullen
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Homer Mullen
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Mullen
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kermit Mullen
Sibling · 1940 · age 14
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 — Dubois-County, Indiana
Open full size
1940 US Federal Census — Dubois-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01039-00388)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Theodore Stitter | 46 | Head | Laborer | Indiana |
| 2 | Laura Stitter | 42 | Wife | — | Indiana |
| 3 | Victor Stitter | 19 | Son | Factory Laborer | Indiana |
| 4 | Dorothy Stitter | 12 | Daughter | — | Indiana |
| 5 | Mary Thieman | 76 | Head | — | Indiana |
| 6 | Sylvester Biehler | 34 | Head | Farmer | Idaho |
| 7 | Ignata Biehler | 32 | Wife | — | Indiana |
| 8 | Sherman Biehler | 5 | Son | — | Indiana |
| 9 | Hubert Kunkler | 22 | Hired hand | Farm Laborer | Indiana |
| 10 | John Schafer | 52 | Head | Section Hand | Indiana |
| 11 | Elizabeth Schafer | 44 | Wife | — | Indiana |
| 12 | Alois Jahn | 52 | Head | Factory Laborer | Indiana |
| 13 | Sophia Jahn | 44 | Wife | — | Indiana |
| 14 | Victor Jahn | 23 | Son | Machine Operator | Wis. |
| 15 | William Mullen | 57 | Head | Laborer | Indiana |
| 16 | Martha Mullen | 43 | Wife | — | Indiana |
| 17 | Homer Mullen | 22 | Son | Cabinet Builder | Indiana |
| 18 | Winifred Mullen | 19 | Daughter | — | Indiana |
| 19 | Albert Mullen | 18 | Son | Cabinet Builder | Indiana |
| 20 | Chester Mullen | 16 | Son | New Worker | Indiana |
| 21 | Kermit Mullen | 14 | Son | New Worker | Indiana |
| 22 | William Jr. Mullen THIS PERSON | 12 | Son | — | Indiana |
| 23 | Patricia Mullen | 10 | Daughter | — | Indiana |
| 24 | Mary Anne Mullen | 8 | Daughter | — | Indiana |
| 25 | Gerald Lee Mullen | 5 | Son | — | Indiana |
| 26 | Donald Joe Mullen | 4 | Son | — | Indiana |
| 27 | Martha Jane Mullen | 0 | Daughter | — | Indiana |
| 28 | George Schaefer | 54 | Head | Farmer | Indiana |
| 29 | Katharine Schaefer | 43 | Wife | — | Indiana |
| 30 | Albert Schaefer | 23 | Son | Factory Laborer | Indiana |
| 31 | Oscar Schaefer | 21 | Son | Work | Indiana |
| 32 | Frank Jahn | 33 | Head | Farm Hand | Indiana |
| 33 | Elsie Jahn | 26 | Daughter | — | Indiana |
| 34 | Joseph Welp | 57 | Head | Farmer | Indiana |
| 35 | Regina Welp | 53 | Wife | — | Indiana |
| 36 | Lawrence Welp | 24 | Son | Factory Laborer | Indiana |
| 37 | Anthony Welp | 19 | Son | Factory Laborer | Indiana |
| 38 | Rosela Welp | 16 | Daughter | — | Indiana |
| 39 | Arnita Welp | 15 | Daughter | — | Indiana |
| 40 | Joseph Bath | 56 | Head | Section Hand | Indiana |
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)