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Mary Lester — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Caddo-County, Louisiana
Our Model Tree links this Mary Lester across the 1930 and 1940 US Censuses in Caddo-County, Louisiana (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Caddo-County, Louisiana |
| Surname | Lester |
| Given Name | Mary Frances |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 9 |
| 1935 Residence (County) | Caddo |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 9 |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Janice Lester | Daughter | — | 2 | ~1938 |
| Billy Lester | Daughter | — | 11 | ~1929 |
| Thomas Lester | Son | — | 7 | ~1933 |
| Mary Lester | Daughter | — | 16 | ~1924 |
| Susan Lester | Spouse | — | 39 | ~1901 |
| Catherine Lester | Daughter | — | 13 | ~1927 |
| Marjorie Lester | Daughter | — | 9 | ~1931 |
| William Lester | Head | — | 41 | ~1899 |
| William Lester | Son | — | 19 | ~1921 |
Census Appearances
1930
Caddo, Louisiana
Daughter, age 6
Caddo, Louisiana · implied b. ~1924 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lester |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Caddo-County, Louisiana
Daughter, age 16
Caddo-County, Louisiana · implied b. ~1924 — 9 household members
| Surname | Lester |
| Given Name | Mary Frances |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 9 |
| 1935 Residence (County) | Caddo |
| 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 Mary Lester across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lester
Daughter · 1940 · age 16 · b. ~1924 · Louisiana
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Sibling
Catherine Lester
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Lester
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billy Lester
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Lester
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Lester
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Janice Lester
Sibling · 1940 · age 2
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-t0627-01389-00231)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harriett Lenon | 65 | Mother | — | Louisiana |
| 42 | Mitchell Johnson | 40 | Head | Section Hand | Louisiana |
| 43 | Annie Johnson | 40 | Wife | — | Louisiana |
| 44 | Mitchell Jr. Johnson | 7 | Son | — | Louisiana |
| 45 | Samuel Johnson | 5 | Son | — | Louisiana |
| 46 | Harry West | 53 | Head | Stock Buyer | Texas |
| 47 | Bessie West | 49 | Wife | — | Texas |
| 48 | Herschel Valentine | 29 | Son | Helper | Louisiana |
| 49 | Katie Valentine | 29 | Daughter-in-law | Machinist | Texas |
| 50 | Harry Valentine | 4 | Grandson | — | Louisiana |
| 51 | Michael Valentine | 2 | Grandson | — | Louisiana |
| 52 | William Lester | 41 | Head | Superintendent | Louisiana |
| 53 | Susan Lester | 39 | Wife | — | Louisiana |
| 54 | William Jr. Lester | 19 | Son | Delivery Boy | Louisiana |
| 55 | Mary Frances Lester THIS PERSON | 16 | Daughter | — | Louisiana |
| 56 | Catherine Lester | 13 | Daughter | — | Louisiana |
| 57 | Billy Joe Lester | 11 | Daughter | — | Arkansas |
| 58 | Marjorie Dell Lester | 9 | Daughter | — | Arkansas |
| 59 | Thomas Edward Lester | 7 | Son | — | Louisiana |
| 60 | Janice Faye Lester | 2 | Daughter | — | Louisiana |
| 61 | Arthur Lloyd Thames | 41 | Head | Gauger | Louisiana |
| 62 | Carrie Bell Thames | 41 | Wife | — | Louisiana |
| 63 | Daniella Thames | 16 | Son | — | Louisiana |
| 64 | Lurmon Jr. Thames | 15 | Son | Delivery Boy | Louisiana |
| 65 | Melynn Thames | 5 | Son | — | Louisiana |
| 66 | Leon Anderson | 55 | Head | Telegrapher | Texas |
| 67 | Carrie Anderson | 53 | Wife | — | Texas |
| 68 | Harry Thomas | 48 | Head | Engineer | Louisiana |
| 69 | Helen Thomas | 32 | Wife | — | Louisiana |
| 70 | William Petty | 45 | Head | Engineer | Louisiana |
| 71 | Gladys Petty | 42 | Wife | — | Arkansas |
| 72 | William Jr. Petty | 22 | Son | Gauger | Louisiana |
| 73 | Patricia Petty | 18 | Daughter | — | Louisiana |
| 74 | Doris Thalia Petty | 5 | Daughter | — | Louisiana |
| 75 | Jasper Runnels | 38 | Head | Gauger | Louisiana |
| 76 | Thelma Runnels | 33 | Wife | — | Louisiana |
| 77 | James A. Farmer | 28 | Head | Telegrapher | Louisiana |
| 78 | Lillian Farmer | 26 | Wife | — | Louisiana |
| 79 | James Jr. Farmer | 2 | Son | — | Louisiana |
| 80 | Walter Denson | 60 | Head | — | Texas |
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)