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Lydia Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lehigh-County, Pennsylvania
Our Model Tree links this Lydia Smith across the 1930 and 1940 US Censuses in Lehigh-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 11-person household.
Age 46
b. ~1894
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lehigh-County, Pennsylvania |
| Surname | Smith |
| Given Name | Lydia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Allentown |
| 1935 Residence (County) | Lehigh |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Allentown City |
| Est. Birth Year | ~1894 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lydia | Age | Birth yr |
|---|---|---|---|---|
| Carrie Smith | Daughter | — | 21 | ~1919 |
| Alverta Smith | Daughter | — | 15 | ~1925 |
| Stella Smith | Daughter | — | 9 | ~1931 |
| Samuel Smith | Head | — | 46 | ~1894 |
| Earl Smith | Son | — | 8 | ~1932 |
| Milton Smith | Son | — | 24 | ~1916 |
| Harvey Smith | Son | — | 18 | ~1922 |
| Silvan Smith | Son | — | 16 | ~1924 |
| Victor Smith | Son | — | 13 | ~1927 |
| Samuel Smith | Son | — | 12 | ~1928 |
| Lydia Smith | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Lehigh, Pennsylvania
Other, age 36
Lehigh, Pennsylvania · implied b. ~1894 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lydia |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lehigh-County, Pennsylvania
Spouse, age 46
Lehigh-County, Pennsylvania · implied b. ~1894 — 11 household members
| Surname | Smith |
| Given Name | Lydia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Allentown |
| 1935 Residence (County) | Lehigh |
| Highest Grade | No 4 |
| 1935 Residence | Pennsylvania |
| 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 Lydia Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lydia Smith
Spouse · 1940 · age 46 · b. ~1894 · Pennsylvania
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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-t0627-03542-00585)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anthony Micco | 12 | Son | — | Pennsylvania |
| 2 | Theodore Colarusso | 56 | Head | Dyer | Italy |
| 3 | Angeline Colarusso | 51 | Wife | — | Italy |
| 4 | Armon Colarusso | 24 | Son | Dyer | Pennsylvania |
| 5 | Ernest Colarusso | 22 | Son | Dyer | Pennsylvania |
| 6 | Margaret Colarusso | 14 | Daughter | — | Pennsylvania |
| 7 | Theodore, Jr. Colarusso | 17 | Son | — | Pennsylvania |
| 8 | Joan Hoffman | 8 | Grand Daughter | — | Pennsylvania |
| 9 | John Q Badura | 51 | Head | Stationary Engineer | Austria |
| 10 | Helen Badura | 45 | Wife | — | Czechoslovakia |
| 11 | William Badura | 23 | Son | Spreader | Pennsylvania |
| 12 | Joseph Badura | 18 | Son | Laborer | Pennsylvania |
| 13 | Anna Badura | 16 | Daughter | — | Pennsylvania |
| 14 | Elizabeth Badura | 14 | Daughter | — | Pennsylvania |
| 15 | Helen Badura | 11 | Daughter | — | Pennsylvania |
| 16 | Bernardine Badura | 7 | Daughter | — | Pennsylvania |
| 17 | Aloysius Badura | 4 | Son | — | Pennsylvania |
| 18 | Michael Glogowski | 34 | Head | Retail Milk Dealer | New York |
| 19 | Anna E Glogowski | 29 | Wife | — | Pennsylvania |
| 20 | Lorraine Glogowski | 3 | Daughter | — | Pennsylvania |
| 21 | Stanley Glogowski | 29 | Brother | Chain-Man | New York |
| 22 | Alexander Yurick | 45 | Head | Laborer | Czechoslovakia |
| 23 | Anna E Yurick | 44 | Wife | Sewing Machine Operator | Pennsylvania |
| 24 | Kathryn Yurick | 14 | Daughter | — | Pennsylvania |
| 25 | Verna Yurick | 12 | Daughter | — | Pennsylvania |
| 26 | Martin Zloch | 77 | Father-in-law | — | Czechoslovakia |
| 27 | Clifford Bechtel | 28 | Head | Helper | Pennsylvania |
| 28 | Anna E Bechtel | 26 | Wife | Machine Operator | Pennsylvania |
| 29 | Eleanor Bechtel | 1 | Daughter | — | Pennsylvania |
| 30 | Samuel Smith | 46 | Head | Laborer | Pennsylvania |
| 31 | Lydia Smith THIS PERSON | 46 | Wife | — | Pennsylvania |
| 32 | Milton S Smith | 24 | Son | Spreader | Pennsylvania |
| 33 | Carrie Smith | 21 | Daughter | Machine Operator | Pennsylvania |
| 34 | Harvey Smith | 18 | Son | New Worker | Pennsylvania |
| 35 | Silvan Smith | 16 | Son | — | Pennsylvania |
| 36 | Alverta Smith | 15 | Daughter | — | Pennsylvania |
| 37 | Victor Smith | 13 | Son | — | Pennsylvania |
| 38 | Samuel, Jr Smith | 12 | Son | — | Pennsylvania |
| 39 | Stella Smith | 9 | Daughter | — | Pennsylvania |
| 40 | Earl Smith | 8 | Son | — | Pennsylvania |
Related Census Records
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)