LS
Leslie Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · La-Plata-County, Colorado
Our Model Tree links this Leslie Smith across the 1930 and 1940 US Censuses in La-Plata-County, Colorado (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | La-Plata-County, Colorado |
| Surname | Smith |
| Given Name | Leslie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Durango |
| 1935 Residence (County) | La Plata |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Durango |
| Est. Birth Year | ~1927 |
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 Leslie | Age | Birth yr |
|---|---|---|---|---|
| Annie Smith | Spouse | — | 49 | ~1891 |
| Vera Smith | Daughter | — | 5 | ~1935 |
| Clyde Smith | Son | — | 21 | ~1919 |
| Leslie Smith | Son | — | 13 | ~1927 |
| Norma Smith | Daughter | — | 9 | ~1931 |
| George Smith | Head | — | 55 | ~1885 |
| Merle Smith | Son | — | 19 | ~1921 |
Census Appearances
1930
La Plata, …
Son, age 3
La Plata, Colorado · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Leslie J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
La-Plata-County, Colorado
Son, age 13
La-Plata-County, Colorado · implied b. ~1927 — 7 household members
| Surname | Smith |
| Given Name | Leslie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Durango |
| 1935 Residence (County) | La Plata |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Leslie Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leslie Smith
Son · 1940 · age 13 · b. ~1927 · Colorado
★ You are viewing this record
Sibling
Clyde Smith
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Merle Smith
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norma Smith
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vera Smith
Sibling · 1940 · age 5
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 — La-Plata-County, Colorado
Open full size
1940 US Federal Census — La-Plata-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00466-00720)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Tom Mckinney | 26 | Head | Carpenter | Arizona |
| 42 | Minnie R. Mckinney | 19 | Wife | — | Colorado |
| 43 | Paul Mckinney | 1 | Son | — | Colorado |
| 44 | Alfred D. Quintana | 36 | Head | Carpenter | New Mexico |
| 45 | Charlotte Quintana | 36 | Wife | Mangle Operator | Oklahoma |
| 46 | Alberna Quintana | 5 | Daughter | — | Colorado |
| 47 | George Smith | 55 | Head | Conductor | Colorado |
| 48 | Annie Q. Smith | 49 | Wife | — | Colorado |
| 49 | Clyde Smith | 21 | Son | Attendant | Colorado |
| 50 | Merle Smith | 19 | Son | Mechanic Helper | Colorado |
| 51 | Leslie Smith THIS PERSON | 13 | Son | — | Colorado |
| 52 | Norma Jean Smith | 9 | Daughter | — | Colorado |
| 53 | Vera Smith | 5 | Daughter | — | Colorado |
| 54 | Harold J. Brady | 32 | Head | — | Tennessee |
| 55 | Anne D. Brady | 28 | Wife | — | Wisconsin |
| 56 | Margaret Mckensey | 52 | Daughter | Saleslady | Colorado |
| 57 | Wallace H. Owen | 62 | Head | Deputy | Massachusetts |
| 58 | Edna C. Owen | 49 | Wife | — | New Mexico |
| 59 | Harriet Owen | 25 | Daughter | Bookkeeper | Colorado |
| 60 | Powell Owen | 20 | Son | Laborer | Colorado |
| 61 | Ronald Rouse | 1 | Grandson | — | Colorado |
| 62 | William P. Reeder | 68 | Head | Steward & Secretary | Missouri |
| 63 | Leonore Reeder | 65 | Wife | — | Colorado |
| 64 | Zona Reeder | 28 | Daughter | Saleslady | Colorado |
| 65 | Anna Wetter | 63 | Head | — | Pennsylvania |
| 66 | Robert B. Naudack | 26 | Head | — | Mississippi |
| 67 | Molly Naudack | 24 | Wife | — | Alabama |
| 68 | Audrey J. Crook | 27 | Head | Trapping | Colorado |
| 69 | Ruth Lorine Crook | 20 | Wife | Salesgirl | Colorado |
| 70 | Beall J. Masterson | 29 | Head | Traveling Salesman | New Mexico |
| 71 | Homer Roberts | 33 | Partner | Traveling Salesman | New Mexico |
| 72 | James M. Breathouse | 41 | Head | Traveling Salesman | Texas |
| 73 | Lucille D. Breathouse | 34 | Wife | — | Colorado |
| 74 | Patricia Breathouse | 14 | Daughter | — | Colorado |
| 75 | Jean Breathouse | 13 | Daughter | — | Colorado |
| 76 | Robert Breathouse | 10 | Son | — | Colorado |
| 77 | Mary C. White | 63 | Head | — | Kansas |
| 78 | W. J. Eaves | 65 | Partner | — | Kansas |
| 79 | William G. Codding | 23 | Head | Radio Engineer | North Dakota |
| 80 | Frances Codding | 23 | Wife | Waitress | North Dakota |
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)