LS
Lester Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lehigh-County, Pennsylvania
Our Model Tree links this Lester Smith across the 1920, 1930 and 1940 US Censuses in Lehigh-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 3-person household.
Age 66
b. ~1874
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lehigh-County, Pennsylvania |
| Surname | Smith |
| Given Name | Lester (R) |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Allentown City |
| 1935 Residence (County) | Lehigh |
| Additional Details | |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1600 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Machinist |
| Township / Ward | Allentown City |
| Est. Birth Year | ~1874 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lester | Age | Birth yr |
|---|---|---|---|---|
| Hazel Smith | Daughter | — | 36 | ~1904 |
| Lester Smith | Head | — | 66 | ~1874 |
| Margaret Smith | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Lehigh, Pennsylvania
Head, age 46
Lehigh, Pennsylvania · implied b. ~1874 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lester R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lehigh, Pennsylvania
Head, age 56
Lehigh, Pennsylvania · implied b. ~1874 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lester R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Machinist |
| Industry | Tool shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Home Value / Rent | R |
| Radio Set | 9000 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lehigh-County, Pennsylvania
Head, age 66
Lehigh-County, Pennsylvania · implied b. ~1874 — 3 household members
| Surname | Smith |
| Given Name | Lester (R) |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Allentown City |
| 1935 Residence (County) | Lehigh |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1600 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Lester Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lester Smith
Head · 1940 · age 66 · b. ~1874 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lehigh-County, Pennsylvania
Open full size
1940 US Federal Census — Lehigh-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03544-00571)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arlene Oswald | 26 | Wife | — | Pennsylvania |
| 2 | Delphine Oswald | 8 | Daughter | — | Pennsylvania |
| 3 | Ends, Clark (H) Oswald | 67 | Boarder | — | Pennsylvania |
| 4 | Art Kammerer | 40 | Head | Electrician | Pennsylvania |
| 5 | Florence Kammerer | 39 | Wife | — | Pennsylvania |
| 6 | Arthur (C) Kammerer | 11 | Son | — | Pennsylvania |
| 7 | Harry Leabold | 51 | Head | Mailman | Pennsylvania |
| 8 | Edith Leabold | 49 | Wife | — | Pennsylvania |
| 9 | Harriet (A) Leabold | 21 | Daughter | — | Pennsylvania |
| 10 | Henry (A) Leabold | 19 | Son | — | Pennsylvania |
| 11 | Francis (W) Leabold | 16 | Son | — | Pennsylvania |
| 12 | David (J) Leabold | 12 | Son | — | Pennsylvania |
| 13 | John (W) Leabold | 8 | Son | — | Pennsylvania |
| 14 | Nevin Miller | 39 | Head | Painter | Pennsylvania |
| 15 | Esther Saeger | 39 | Housekeeper | Winder | Pennsylvania |
| 16 | Calvin Greenwald | 20 | Housekeeper's Son | Laborer | Pennsylvania |
| 17 | Earl Greenwald | 18 | Housekeeper's Son | Messenger | Pennsylvania |
| 18 | Harry Flum | 52 | Head | Paper Hanger | Lithuania |
| 19 | Helen Flum | 46 | Wife | — | Pennsylvania |
| 20 | Ruth Flum | 22 | Daughter | Bookkeeper | Pennsylvania |
| 21 | Elenor Flum | 22 | Daughter | Cashier | Pennsylvania |
| 22 | Thelma Flum | 19 | Daughter | Typist | Pennsylvania |
| 23 | Cynthia Flum | 6 | Daughter | — | Pennsylvania |
| 24 | Francis Freap | 44 | Head | Electrician | Pennsylvania |
| 25 | Florence Freap | 42 | Wife | — | Pennsylvania |
| 26 | Elizabeth Deearly | 64 | Aunt | — | Pennsylvania |
| 27 | Lester (R) Smith THIS PERSON | 66 | Head | Machinist | Pennsylvania |
| 28 | Margaret Smith | 64 | Wife | — | Pennsylvania |
| 29 | Hazel Smith | 36 | Daughter | Office Manager | Pennsylvania |
| 30 | Samuel (T) Kramer | 41 | Head | Linotype Operator | Pennsylvania |
| 31 | Teresa (V) Kramer | 47 | Wife | — | New York |
| 32 | Sally Kramer | 75 | Mother | — | Pennsylvania |
| 33 | Harry Lynn | 63 | Head | Projectionist | Pennsylvania |
| 34 | Florence Rex | 38 | Housekeeper | Housekeeper | Pennsylvania |
| 35 | Janet Rex | 5 | Daughter | — | Pennsylvania |
| 36 | Joseph Mail | 42 | Head | Gardener | Austria |
| 37 | Mary Mail | 42 | Wife | — | Austria |
| 38 | John Mail | 19 | Son | Laborer | Pennsylvania |
| 39 | Steve Mail | 17 | Son | — | Pennsylvania |
| 40 | Alfred Mail | 16 | Son | New Worker | Pennsylvania |
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)