ES
Eva Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lehigh-County, Pennsylvania
Our Model Tree links this Eva Smith across the 1920, 1930 and 1940 US Censuses in Lehigh-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents William & William — first a daughter (b.~1913), then head of a 9-person household.
Age 27
b. ~1913
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lehigh-County, Pennsylvania |
| Surname | Smith |
| Given Name | Eva M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Upper Macungie Township |
| 1935 Residence (County) | Lehigh |
| Additional Details | |
| Occupation | Shirt Presser |
| Industry | Laundry |
| Class of Worker | PW |
| Hours Worked | 38 |
| Income (1939) | 936 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Shirt Presser |
| Township / Ward | Upper Macungie Township |
| Est. Birth Year | ~1913 |
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 Eva | Age | Birth yr |
|---|---|---|---|---|
| Lucy Smith | Daughter | — | 24 | ~1916 |
| Eva Smith | Daughter | — | 27 | ~1913 |
| Pauline Messmer | Daughter | — | 18 | ~1922 |
| William Smith | Head | — | 54 | ~1886 |
| Urial Meitzler | Other | — | 79 | ~1861 |
| Danny Messmer | Other | — | 1 | ~1939 |
| William Smith | Son | — | 13 | ~1927 |
| Kenneth Smith | Son | — | 8 | ~1932 |
| Verna Smith | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Lehigh, Pennsylvania
Daughter, age 7
Lehigh, Pennsylvania · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Eva M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lehigh, Pennsylvania
Daughter, age 17
Lehigh, Pennsylvania · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Eva M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Washer |
| Industry | Laundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lehigh-County, Pennsylvania
Daughter, age 27
Lehigh-County, Pennsylvania · implied b. ~1913 — 9 household members
| Surname | Smith |
| Given Name | Eva M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Upper Macungie Township |
| 1935 Residence (County) | Lehigh |
| Occupation | Shirt Presser |
| Industry | Laundry |
| Class of Worker | PW |
| Hours Worked | 38 |
| Income (1939) | 936 |
| Highest Grade | No 8 |
| 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 Eva Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Smith (~0.92 confidence) and father William Smith (~0.92 confidence) and father William Smith (~0.92 confidence) and mother Verna Smith (~0.92 confidence) and mother Verna Smith (~0.92 confidence) and mother Verna Smith (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Smith
b. ~1883
Source father
● Household
· direct · ~0.92
Father
William Smith
b. ~1886
Source father
● Household
· direct · ~0.92
Father
William Smith
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Verna Smith
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Verna Smith
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Verna Smith
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Eva Smith
Daughter · 1940 · age 27 · b. ~1913 · Pennsylvania
★ You are viewing this record
Sibling
Pauline Messmer
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Smith
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Smith
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucy Smith
Sibling · 1940 · age 24
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
40 people indexed on this census page (nara:1940:m-t0627-03548-00039)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Reuben L. Guldin | 82 | Head | — | Pennsylvania |
| 2 | Amanda E. Guldin | 79 | Wife | — | Pennsylvania |
| 3 | Edna J. Guldin | 45 | Daughter | Teacher | Pennsylvania |
| 4 | John S. Smith | 42 | Head | Truck Driver | Pennsylvania |
| 5 | Edna R. Smith | 42 | Wife | — | Pennsylvania |
| 6 | Mary E. Moyer | 77 | Mother-in-law | — | Pennsylvania |
| 7 | Edwin S. Gackenbach | 60 | Head | Farm Hand Carpenter | Pennsylvania |
| 8 | Ida R. Gackenbach | 58 | Wife | Hosiery Examiner | Pennsylvania |
| 9 | Charles C. Gackenbach | 31 | Son | Chair Repairer | Pennsylvania |
| 10 | Kathryn Gackenbach | 28 | Wife | — | Pennsylvania |
| 11 | John Tercha | 52 | Head | Farmer | Poland |
| 12 | Mary Tercha | 57 | Wife | — | Poland |
| 13 | Alexander Tercha | 24 | Son | Electric Welder | Pennsylvania |
| 14 | Stanley Tercha | 19 | Son | Farm Laborer | Pennsylvania |
| 15 | Edward Tercha | 16 | Son | Farm Laborer | Pennsylvania |
| 16 | Frank Tercha | 14 | Son | — | Pennsylvania |
| 17 | William E. Smith | 54 | Head | Carpenter | Pennsylvania |
| 18 | Verna S. Smith | 46 | Wife | — | Pennsylvania |
| 19 | Eva M. Smith THIS PERSON | 27 | Daughter | Shirt Presser | Pennsylvania |
| 20 | Lucy M. Smith | 24 | Daughter | Sewing Machine Oper. | Pennsylvania |
| 21 | William S. Smith | 13 | Son | — | Pennsylvania |
| 22 | Kenneth E. Smith | 8 | Son | — | Pennsylvania |
| 23 | Pauline R. Messmer | 18 | Daughter | — | Pennsylvania |
| 24 | Danny G. M. Messmer | 1 | Grandson | — | Pennsylvania |
| 25 | Urial J. W. Meitzler | 79 | Boarder | — | Pennsylvania |
| 26 | Oscar Muthard | 75 | Head | — | Pennsylvania |
| 27 | Eldora G. Muthard | 69 | Wife | — | Pennsylvania |
| 28 | Israel H. D. Herbster | 85 | Lodger | — | Pennsylvania |
| 29 | Harry A. Hulme | 25 | Head | Truck Driver | Pennsylvania |
| 30 | Eleanor R. Hulme | 25 | Wife | — | Pennsylvania |
| 31 | Shirley M. Hulme | 5 | Daughter | — | Pennsylvania |
| 32 | Elmer M. Hulme | 3 | Son | — | Pennsylvania |
| 33 | Sandra E. Hulme | 1 | Daughter | — | Pennsylvania |
| 34 | George F. Tetlow | 68 | Head | — | Pennsylvania |
| 35 | Laura Gertrude Tetlow | 67 | Wife | — | Pennsylvania |
| 36 | Albert D. Fichtenwalner | 73 | Head | — | Pennsylvania |
| 37 | Cora S. M. Fichtenwalner | 72 | Wife | — | Pennsylvania |
| 38 | Arthur F. Bortz | 39 | Son-in-law | Book-Keeper | Pennsylvania |
| 39 | Elda R. Bortz | 44 | Daughter | — | Pennsylvania |
| 40 | Beatrice B. Bortz | 16 | Granddaughter | — | Pennsylvania |
Related Census Records
Pedigree Summary
Eva + 4 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)