WM
William Mayer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Caddo-County, Louisiana
Our Model Tree links this William Mayer across the 1930 and 1940 US Censuses in Caddo-County, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 7-person household.
Age 18
b. ~1922
Male
Son
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Caddo-County, Louisiana |
| Surname | Mayer |
| Given Name | William G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Ward 8 |
| 1935 Residence (County) | Caddo |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Ward 8 |
| Est. Birth Year | ~1922 |
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 |
|---|---|---|---|---|
| Randolph Mayer | Head | — | 49 | ~1891 |
| Randolph Mayer | Son | — | 21 | ~1919 |
| William Mayer | Son | — | 18 | ~1922 |
| Robert Mayer | Son | — | 14 | ~1926 |
| Ruth Mayer | Spouse | — | 45 | ~1895 |
| Paul Mayer | Son | — | 20 | ~1920 |
| James Mayer | Son | — | 16 | ~1924 |
Census Appearances
1930
Caddo, Louisiana
Son, age 8
Caddo, Louisiana · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mayers |
| Given Name | William G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | California |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Caddo-County, Louisiana
Son, age 18
Caddo-County, Louisiana · implied b. ~1922 — 7 household members
| Surname | Mayer |
| Given Name | William G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Ward 8 |
| 1935 Residence (County) | Caddo |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 18 · b. ~1922 · Louisiana
★ You are viewing this record
Sibling
Robert Mayer
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Randolph Mayer
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Mayer
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mayer
Sibling · 1940 · age 16
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 — Caddo-County, Louisiana
Open full size
1940 US Federal Census — Caddo-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01389-00273)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Randolph H. Mayer | 49 | Head | Electrical Engineer | California |
| 2 | Ruth Annan Mayer | 45 | Wife | — | Missouri |
| 3 | Randolph A. Mayer | 21 | Son | Canvasser | Louisiana |
| 4 | Paul R. Mayer | 20 | Son | Insurance Solicitor | Louisiana |
| 5 | William G. Mayer THIS PERSON | 18 | Son | — | Texas |
| 6 | James R. Mayer | 16 | Son | — | Louisiana |
| 7 | Robert L. Mayer | 14 | Son | — | Louisiana |
| 8 | Mattie R. Mayer | 70 | Head | Farm Manager | Louisiana |
| 9 | Jack J. Kline | 61 | Son-in-law | Salesman | Georgia |
| 10 | Julia Mayer Kline | 50 | Daughter | Mill Dresser | California |
| 11 | George Doyle | 61 | Head | Farmer | Mississippi |
| 12 | Lilly Doyle | 50 | Wife | — | Louisiana |
| 13 | Dock C. Doyle | 13 | Son | — | Louisiana |
| 14 | Charly R. Doyle | 10 | Son | — | Louisiana |
| 15 | Joe A. Doyle | 8 | Son | — | Louisiana |
| 16 | Andrew Doyle | 6 | Son | — | Louisiana |
| 17 | Lilly Mae Doyle | 5 | Daughter | — | Louisiana |
| 18 | George Jr. Doyle | 4 | Son | — | Louisiana |
| 19 | Vince Aluga | 76 | Head | — | Italy |
| 20 | Mary Aluga | 75 | Wife | — | Italy |
| 21 | Philip Aluga | 44 | Head | Farmer | Italy |
| 22 | Sara Aluga | 39 | Wife | — | Louisiana |
| 23 | Mary Aluga | 15 | Daughter | — | Louisiana |
| 24 | Nellie Aluga | 13 | Daughter | — | Louisiana |
| 25 | Lena Aluga | 12 | Daughter | — | Louisiana |
| 26 | Tom Nelson | 52 | Head | Farmer | Louisiana |
| 27 | Mary Lou Nelson | 41 | Wife | — | Louisiana |
| 28 | Leroy Nelson | 17 | Son | Farm Laborer | Louisiana |
| 29 | Cilovia Nelson | 14 | Daughter | — | Louisiana |
| 30 | A. G. Davenport | 25 | Head | Farmer | Louisiana |
| 31 | Rosie Davenport | 24 | Wife | — | Louisiana |
| 32 | Loyd Davenport | 3 | Son | — | Louisiana |
| 33 | Ellison Davenport | 2 | Son | — | Louisiana |
| 34 | Sarah Davenport | 1 | Daughter | — | Louisiana |
| 35 | Willie Botts | 40 | Head | Farmer | Louisiana |
| 36 | Eliza Botts | 37 | Wife | — | Louisiana |
| 37 | William Botts | 18 | Son | Farm Laborer | Louisiana |
| 38 | Fuman Botts | 16 | Son | Farm Laborer | Louisiana |
| 39 | Annie Mae Botts | 13 | Daughter | — | Louisiana |
| 40 | Samuel Botts | 11 | Son | — | 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)