AS
Allen Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Northampton-County, Pennsylvania
Our Model Tree links this Allen Smith across the 1910, 1920, 1930 and 1940 US Censuses in Northampton-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & George — first a head (b.~1909), then head of a 5-person household.
Age 31
b. ~1909
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Northampton-County, Pennsylvania |
| Surname | Smith |
| Given Name | Allen A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chapman Boro |
| 1935 Residence (County) | Northampton |
| Additional Details | |
| Occupation | Laborer |
| Industry | Cement Mill |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 348 |
| Highest Grade | 8 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Moore Township |
| Est. Birth Year | ~1909 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Allen | Age | Birth yr |
|---|---|---|---|---|
| Pearl Smith | Daughter | — | 7 | ~1933 |
| Allen Smith | Head | — | 31 | ~1909 |
| Paul Smith | Son | — | 10 | ~1930 |
| Willard Smith | Son | — | 8 | ~1932 |
| Blanch Smith | Spouse | — | 30 | ~1910 |
Census Appearances
1910
Lehigh, Pennsylvania
Son, age 4
Lehigh, Pennsylvania · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Allan |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Lehigh, Pennsylvania
Son, age 13
Lehigh, Pennsylvania · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Allan H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lehigh, Pennsylvania
Son, age 22
Lehigh, Pennsylvania · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Allen N |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Northampton-County, Pennsylvania
Head, age 31
Northampton-County, Pennsylvania · implied b. ~1909 — 5 household members
| Surname | Smith |
| Given Name | Allen A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chapman Boro |
| 1935 Residence (County) | Northampton |
| Occupation | Laborer |
| Industry | Cement Mill |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 348 |
| Highest Grade | 8 |
| 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 Allen Smith across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Smith (~0.92 confidence) and father George Smith (~0.92 confidence) and mother Hattie Smith (~0.92 confidence) and mother Pearl Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Smith
b. ~1876
Source father
● Household
· direct · ~0.92
Father
George Smith
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Hattie Smith
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Pearl Smith
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Allen Smith
Head · 1940 · age 31 · b. ~1909 · 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 — Northampton-County, Pennsylvania
Open full size
1940 US Federal Census — Northampton-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03592-00581)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Valkovec | 28 | Head | Farmer | Pennsylvania |
| 42 | Mary Valkovec | 21 | Wife | — | Czechoslovakia |
| 43 | Susie Ondrejovich | 59 | Mother-in-law | — | Czechoslovakia |
| 44 | Annie Kraba | 81 | Lodger | — | Czechoslovakia |
| 45 | Warren Wagner | 25 | Head | Farmer | Pennsylvania |
| 46 | Arlene Wagner | 24 | Wife | Seamstress | Pennsylvania |
| 47 | Chester Wagner | 4 | Son | — | Pennsylvania |
| 48 | Ezra Wagner | 46 | Head | Carpenter | Pennsylvania |
| 49 | Lottie Wagner | 44 | Wife | — | Pennsylvania |
| 50 | Dorothy Wagner | 19 | Daughter | — | Pennsylvania |
| 51 | Raymond J. Hess | 43 | Head | Farmer | Pennsylvania |
| 52 | Alma C. Hess | 40 | Wife | — | Pennsylvania |
| 53 | Allen A. Smith THIS PERSON | 31 | Head | Laborer | Pennsylvania |
| 54 | Blanch M. Smith | 30 | Wife | Weaver | Pennsylvania |
| 55 | Paul W. Smith | 10 | Son | — | Pennsylvania |
| 56 | Willard J. Smith | 8 | Son | — | Pennsylvania |
| 57 | Pearl L. Smith | 7 | Daughter | — | Pennsylvania |
| 58 | Henry L. Geiling | 41 | Head | Machinist | Pennsylvania |
| 59 | Leola M. Geiling | 34 | Wife | — | New Jersey |
| 60 | James E. Geiling | 15 | Son | — | Pennsylvania |
| 61 | Donald I. Geiling | 12 | Son | — | Pennsylvania |
| 62 | Phillip Herold | 56 | Head | Farmer | Hungary |
| 63 | Mary Herold | 53 | Wife | — | Hungary |
| 64 | Mary Best | 66 | Head | — | Pennsylvania |
| 65 | Helen Simmons | 19 | Granddaughter | — | Pennsylvania |
| 66 | Paul Schone | 22 | Boarder | Farmer | Pennsylvania |
| 67 | Granville F. Peters | 54 | Head | Farmer | Pennsylvania |
| 68 | Chrissy A. Peters | 57 | Wife | — | Pennsylvania |
| 69 | Marcellus Trach | 10 | Grandson | — | Pennsylvania |
| 70 | Ward Kunkle | 19 | Hired Man | Farm Hand | Pennsylvania |
| 71 | Floyd P. Smith | 53 | Head | Farmer | Pennsylvania |
| 72 | Meda J. Smith | 53 | Wife | — | Pennsylvania |
| 73 | Harry J. Mann | 40 | Head | Farmer | Pennsylvania |
| 74 | Florence V. Mann | 50 | Wife | — | Pennsylvania |
| 75 | Dorothy J. Mann | 16 | Daughter | — | Pennsylvania |
| 76 | Edwin J. Fehnel | 51 | Head | Farmer | Pennsylvania |
| 77 | Bertha E. Fehnel | 57 | Wife | — | Pennsylvania |
| 78 | Stanley E. Fehnel | 22 | Son | Farm Hand | Pennsylvania |
| 79 | Carl E. Fehnel | 9 | Son | — | Pennsylvania |
| 80 | Thomas R. Hahn | 62 | Head | Laborer | Pennsylvania |
Pedigree Summary
Allen
Gen 1 · 4 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)