WM
William Mccoy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Vanderburgh-County, Indiana
Our Model Tree links this William Mccoy across the 1920, 1930 and 1940 US Censuses in Vanderburgh-County, Indiana (XGBoost, ~Confirmed), with identified parents Nancy & Mary — first a son (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Vanderburgh-County, Indiana |
| Surname | McCoy |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Evansville City |
| 1935 Residence (County) | Vanderburgh |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Wholesale Ice Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 288 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Truck Driver |
| Township / Ward | Evansville City |
| Est. Birth Year | ~1918 |
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 |
|---|---|---|---|---|
| Dessie Mccoy | Spouse | — | 44 | ~1896 |
| Mary Mccoy | Head | — | 46 | ~1894 |
| Charles Mccoy | Son | — | 8 | ~1932 |
| Ethel Mccoy | Daughter | — | 18 | ~1922 |
| William Mccoy | Son | — | 22 | ~1918 |
| Doris Mccoy | Daughter | — | 10 | ~1930 |
| Norman Mccoy | Son | — | 26 | ~1914 |
Census Appearances
1920
Vanderburgh, Indiana
Son, age 1
Vanderburgh, Indiana · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCoy |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Vanderburgh, Indiana
Son, age 12
Vanderburgh, Indiana · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCoy |
| Given Name | William D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Vanderburgh-County, Indiana
Son, age 22
Vanderburgh-County, Indiana · implied b. ~1918 — 7 household members
| Surname | McCoy |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Evansville City |
| 1935 Residence (County) | Vanderburgh |
| Occupation | Truck Driver |
| Industry | Wholesale Ice Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 288 |
| Highest Grade | Hs 4 |
| 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 Mccoy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Nancy Mccoy (~0.92 confidence) and mother Mary Mccoy (~0.92 confidence) and mother Dessie Mccoy (~0.92 confidence) and mother Dessie Mccoy (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Nancy Mccoy
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Mary Mccoy
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Dessie Mccoy
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Dessie Mccoy
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Mccoy
Son · 1940 · age 22 · b. ~1918 · Indiana
★ You are viewing this record
Sibling
Doris Mccoy
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Mccoy
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norman Mccoy
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Mccoy
Sibling · 1940 · age 18
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 — Vanderburgh-County, Indiana
Open full size
1940 US Federal Census — Vanderburgh-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01113-00797)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dolores Smith | 16 | daughter | — | Indiana |
| 2 | Fern Smith | 13 | daughter | — | Indiana |
| 3 | Gilbert Smith | 11 | son | — | Indiana |
| 4 | Edward Edler | 49 | head | Carpenter | Indiana |
| 5 | Rose Edler | 51 | wife | — | Indiana |
| 6 | Benton Lytton | 20 | lodger | Barber | Indiana |
| 7 | John E. Mueller | 52 | head | Laborer | Indiana |
| 8 | Clotilda Mueller | 46 | wife | — | Indiana |
| 9 | Albert F. Mueller | 23 | son | Shipping Clerk | Indiana |
| 10 | Hyacinth Mueller | 19 | daughter | Checker | Indiana |
| 11 | Mabel Mueller | 17 | daughter | — | Indiana |
| 12 | Mary A. Mueller | 14 | daughter | — | Indiana |
| 13 | Rose Mueller | 11 | daughter | — | Indiana |
| 14 | John J. Mueller | 4 | son | — | Indiana |
| 15 | Lee Mueller | 3 | son | — | Indiana |
| 16 | Margaret Briel | 60 | head | — | Indiana |
| 17 | Henry Briel | 64 | brother | — | Indiana |
| 18 | John C. Briel | 62 | brother | — | Indiana |
| 19 | Ancil Chambly | 29 | head | Laborer | Kentucky |
| 20 | Lucille Chambly | 27 | wife | — | Kentucky |
| 21 | George Brown | 30 | head | Laborer | Kentucky |
| 22 | Verbel Brown | 28 | wife | — | Kentucky |
| 23 | George Brown | 7 | son | — | Kentucky |
| 24 | Louise Brown | 5 | daughter | — | Kentucky |
| 25 | Shirley Brown | 2 | daughter | — | Kentucky |
| 26 | Ellis Murray | 26 | lodger | Truck Driver | Kentucky |
| 27 | Lillian Murray | 24 | lodger | — | Kentucky |
| 28 | Sharon Murray | 0 | lodger | — | Indiana |
| 29 | Joseph Metzler | 38 | head | Barber | Germany |
| 30 | Mary Metzler | 40 | wife | — | Indiana |
| 31 | Jo Anne Metzler | 9 | daughter | — | Indiana |
| 32 | Arthur Strupp | 40 | head | Carpenter | Indiana |
| 33 | Amelia Strupp | 34 | wife | Cracker Breaker | Indiana |
| 34 | Mary K. Mccoy | 46 | head | Bus Driver | Indiana |
| 35 | Dessie Mccoy | 44 | wife | — | Indiana |
| 36 | Norman Mccoy | 26 | son | Truck Driver | Indiana |
| 37 | William Mccoy THIS PERSON | 22 | son | Truck Driver | Indiana |
| 38 | Ethel Mccoy | 18 | daughter | — | Indiana |
| 39 | Doris Mccoy | 10 | daughter | — | Indiana |
| 40 | Charles Mccoy | 8 | son | — | Indiana |
Pedigree Summary
William + 4 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)