WM
William Mayer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Vermilion-County, Louisiana
Our Model Tree links this William Mayer across the 1930 and 1940 US Censuses in Vermilion-County, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Vermilion-County, Louisiana |
| Surname | Mayer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 2 |
| 1935 Residence (County) | Vermilion |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 2 |
| Est. Birth Year | ~1923 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Myrtis Mayer | Daughter | — | 14 | ~1926 |
| Raymond Mayer | Son | — | 4 | ~1936 |
| William Mayer | Son | — | 17 | ~1923 |
| Zula Mayer | Daughter | — | 12 | ~1928 |
| Dallas Mayer | Son | — | 16 | ~1924 |
| Nilla Mayer | Spouse | — | 34 | ~1906 |
| Uraine Mayer | Head | — | 42 | ~1898 |
| Rayden Mayer | Son | — | 9 | ~1931 |
Census Appearances
1930
Vermilion, Louisiana
Son, age 7
Vermilion, Louisiana · implied b. ~1923 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mayer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| 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
Vermilion-County, Louisiana
Son, age 17
Vermilion-County, Louisiana · implied b. ~1923 — 8 household members
| Surname | Mayer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 2 |
| 1935 Residence (County) | Vermilion |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 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 Mayer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Mayer
Son · 1940 · age 17 · b. ~1923 · Louisiana
★ You are viewing this record
Sibling
Myrtis Mayer
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dallas Mayer
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rayden Mayer
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Zula Mayer
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Mayer
Sibling · 1940 · age 4
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 — Vermilion-County, Louisiana
Open full size
1940 US Federal Census — Vermilion-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01461-00151)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Denina Trahan | 27 | Head | Laborer | Louisiana |
| 2 | Yolanda R. Trahan | 27 | Wife | — | Louisiana |
| 3 | Leroy Trahan | 10 | Son | — | Louisiana |
| 4 | Joseph Jr. Trahan | 7 | Son | — | Louisiana |
| 5 | Ernest D. Trahan | 5 | Son | — | Louisiana |
| 6 | Anna Laurie Trahan | 2 | Daughter | — | Louisiana |
| 7 | Uraine Mayer | 42 | Head | Farm | Louisiana |
| 8 | Nilla H. Mayer | 34 | Wife | — | Louisiana |
| 9 | William Mayer THIS PERSON | 17 | Son | — | Louisiana |
| 10 | Dallas Mayer | 16 | Son | — | Louisiana |
| 11 | Myrtis Mayer | 14 | Daughter | — | Louisiana |
| 12 | Zula Mayer | 12 | Daughter | — | Louisiana |
| 13 | Rayden Mayer | 9 | Son | — | Louisiana |
| 14 | Raymond Mayer | 4 | Son | — | Louisiana |
| 15 | Eddie Dubois | 54 | Head | Carpenter | Louisiana |
| 16 | Marie T. Dubois | 53 | Wife | — | Louisiana |
| 17 | Elus Dubois | 16 | Son | Laborer | Louisiana |
| 18 | Estude Dubois | 21 | Son | Laborer | Louisiana |
| 19 | Mabel S. Dubois | 18 | Daughter-in-law | — | Louisiana |
| 20 | Jerome Soire | 83 | Head | — | Louisiana |
| 21 | Celamine Soire | 81 | Wife | — | Louisiana |
| 22 | Elmie T. Theriot | 42 | Son-in-law | Laborer | Louisiana |
| 23 | Celamine Theriot | 47 | Daughter | — | Louisiana |
| 24 | Emic Theriot | 20 | Son | Laborer | Louisiana |
| 25 | Stella Theriot | 14 | Daughter | — | Louisiana |
| 26 | Louella Theriot | 12 | Daughter | — | Louisiana |
| 27 | Whitney Romero | 34 | Head | Laborer | Louisiana |
| 28 | Rita P. Romero | 25 | Wife | — | Louisiana |
| 29 | Mary Lou Romero | 7 | Daughter | — | Louisiana |
| 30 | Whitney Jr. Romero | 3 | Son | — | Louisiana |
| 31 | Jean Marie Soire | 56 | Head | Laborer | Louisiana |
| 32 | Emeritte S. Soire | 34 | Wife | — | Louisiana |
| 33 | Laura Mae Soire | 11 | Daughter | — | Louisiana |
| 34 | Ida Soire | 8 | Daughter | — | Louisiana |
| 35 | Lugia Schafnagel | 25 | Daughter-in-law | Laborer | Louisiana |
| 36 | James Broussard | 22 | Head | Laborer | Louisiana |
| 37 | Lona S. Broussard | 22 | Wife | — | Louisiana |
| 38 | Amanda M. Broussard | 2 | Daughter | — | Louisiana |
| 39 | Elton Dugas | 27 | Head | Laborer | Louisiana |
| 40 | Elaine R. Dugas | 20 | Wife | — | 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)