CS
Curtis Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lehigh-County, Pennsylvania
Our Model Tree links this Curtis Smith across the 1930 and 1940 US Censuses in Lehigh-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 7-person household.
Age 15
b. ~1925
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lehigh-County, Pennsylvania |
| Surname | Smith |
| Given Name | Curtis D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | ALLENTOWN |
| 1935 Residence (County) | LEHIGH |
| Additional Details | |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Allentown |
| Est. Birth Year | ~1925 |
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 Curtis | Age | Birth yr |
|---|---|---|---|---|
| Daniel Smith | Head | — | 45 | ~1895 |
| Harland Smith | Son | — | 14 | ~1926 |
| Jeannette Smith | Daughter | — | 19 | ~1921 |
| Curtis Smith | Son | — | 15 | ~1925 |
| Donald Smith | Son | — | 21 | ~1919 |
| Beula Smith | Spouse | — | 44 | ~1896 |
| Gerald Smith | Son | — | 23 | ~1917 |
Census Appearances
1930
Lehigh, Pennsylvania
Son, age 6
Lehigh, Pennsylvania · implied b. ~1924 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Curtis W |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lehigh-County, Pennsylvania
Son, age 15
Lehigh-County, Pennsylvania · implied b. ~1925 — 7 household members
| Surname | Smith |
| Given Name | Curtis D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | ALLENTOWN |
| 1935 Residence (County) | LEHIGH |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| 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 Curtis Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Curtis Smith
Son · 1940 · age 15 · b. ~1925 · Pennsylvania
★ You are viewing this record
Sibling
Gerald Smith
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeannette Smith
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harland Smith
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Smith
Sibling · 1940 · age 21
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 — Lehigh-County, Pennsylvania
Open full size
1940 US Federal Census — Lehigh-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03545-00222)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Willoughby Stephens | 37 | Head | Woodworker | Pennsylvania |
| 2 | Carrie Stephens | 45 | Wife | — | Pennsylvania |
| 3 | Dale R. Stephens | 7 | Son | — | Pennsylvania |
| 4 | Charles F. Yerich | 56 | Head | Laborer | Pennsylvania |
| 5 | Jennie E. Yerich | 56 | Wife | — | Pennsylvania |
| 6 | Charles T. Herman | 30 | Head | Helper | Pennsylvania |
| 7 | Madeline E. Herman | 24 | Wife | — | Pennsylvania |
| 8 | Rodney E. Herman | 5 | Son | — | Pennsylvania |
| 9 | Dennis C. Herman | 1 | Son | — | Pennsylvania |
| 10 | Edwin Q. Morgenstein | 30 | Head | Sheet Metal Worker | Pennsylvania |
| 11 | Evelyn M. Morgenstein | 27 | Wife | — | Pennsylvania |
| 12 | Edwin Q. Jr. Morgenstein | 7 | Son | — | Pennsylvania |
| 13 | Albert J. Leitger | 26 | Head | Hauling | Pennsylvania |
| 14 | Agnes M. Leitger | 23 | Wife | — | Pennsylvania |
| 15 | Geraldine Leitger | 4 | Daughter | — | Pennsylvania |
| 16 | Bernice Leitger | 3 | Daughter | — | New York |
| 17 | Wilbur H. Wirand | 25 | Head | Truck Driver | Pennsylvania |
| 18 | Rose Wirand | 24 | Wife | — | Pennsylvania |
| 19 | Wilbur H. Jr. Wirand | 2 | Son | — | Pennsylvania |
| 20 | Avesta S. Venther | 77 | Head | — | Pennsylvania |
| 21 | Maurice E. Thomas | 34 | Head | Decorator | Pennsylvania |
| 22 | Viola Thomas | 31 | Wife | — | Pennsylvania |
| 23 | Jean-Louise Thomas | 12 | Daughter | — | Pennsylvania |
| 24 | Claire Elaine Thomas | 10 | Daughter | — | Pennsylvania |
| 25 | Audrey F. Thomas | 2 | Daughter | — | Pennsylvania |
| 26 | Daniel W. Smith | 45 | Head | Telegrapher | Pennsylvania |
| 27 | Beula M. Smith | 44 | Wife | — | Pennsylvania |
| 28 | Gerald P. Smith | 23 | Son | Driver | Pennsylvania |
| 29 | Donald F. Smith | 21 | Son | Cabinet Maker | Pennsylvania |
| 30 | Jeannette L. Smith | 19 | Daughter | Clerk | Pennsylvania |
| 31 | Curtis D. Smith THIS PERSON | 15 | Son | — | Pennsylvania |
| 32 | Harland B. Smith | 14 | Son | — | Pennsylvania |
| 33 | Earl H. J. Sleight | 34 | Head | Laborer | Pennsylvania |
| 34 | Ella M. Sleight | 32 | Wife | Weaver | Pennsylvania |
| 35 | John E. Trump | 21 | Head | Engineer | Pennsylvania |
| 36 | Clepa C. Trump | 20 | Wife | — | Pennsylvania |
| 37 | Ellen J. Trump | 2 | Daughter | — | Pennsylvania |
| 38 | Walter J. Martin | 25 | Head | Mechanic Helper | Pennsylvania |
| 39 | Ruth J. Martin | 21 | Wife | — | 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)