DR
David Roberts — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lehigh-County, Pennsylvania
Our Model Tree links this David Roberts across the 1920, 1930 and 1940 US Censuses in Lehigh-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Mester & Walter — first a son (b.~1918), then head of a 9-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lehigh-County, Pennsylvania |
| Surname | Roberts |
| Given Name | David |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Allentown city |
| 1935 Residence (County) | Lehigh |
| Additional Details | |
| Occupation | Stamp maker |
| Industry | Rubber Stamp Co. |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 496 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Stamp Maker |
| Township / Ward | Allentown City |
| Est. Birth Year | ~1918 |
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 David | Age | Birth yr |
|---|---|---|---|---|
| Mary Roberts | Daughter | — | 14 | ~1926 |
| James Roberts | Son | — | 9 | ~1931 |
| John Roberts | Son | — | 19 | ~1921 |
| David Roberts | Son | — | 22 | ~1918 |
| Louise Roberts | Daughter | — | 4 | ~1936 |
| Blanche Roberts | Spouse | — | 46 | ~1894 |
| Mary Roberts | Daughter | — | 12 | ~1928 |
| Walter Roberts | Head | — | 45 | ~1895 |
| Julia Roberts | Daughter | — | 18 | ~1922 |
Census Appearances
1920
Lehigh, Pennsylvania
Son, age 3
Lehigh, Pennsylvania · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | David F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lehigh, Pennsylvania
Son, age 13
Lehigh, Pennsylvania · implied b. ~1917 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | David J |
| 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/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lehigh-County, Pennsylvania
Son, age 22
Lehigh-County, Pennsylvania · implied b. ~1918 — 9 household members
| Surname | Roberts |
| Given Name | David |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Allentown city |
| 1935 Residence (County) | Lehigh |
| Occupation | Stamp maker |
| Industry | Rubber Stamp Co. |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 496 |
| Highest Grade | Hs 4 |
| 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 David Roberts across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Mester Roberts (~0.92 confidence) and father Walter Roberts (~0.92 confidence) and father Walter Roberts (~0.92 confidence) and mother Blanche Roberts (~0.92 confidence) and mother Blanche Roberts (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Mester Roberts
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Walter Roberts
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Walter Roberts
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Blanche Roberts
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Blanche Roberts
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Roberts
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Julia Roberts
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Roberts
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Roberts
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Roberts
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Roberts
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Roberts
Sibling · 1940 · age 19
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
32 people indexed on this census page (nara:1940:m-t0627-03543-00076)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anastacia Inskip | 23 | daughter | Machine Operator | Pennsylvania |
| 42 | Joseph Inskip | 20 | son | Office Clerk | Pennsylvania |
| 43 | Minnie Inskip | 18 | daughter | Machine Operator | Pennsylvania |
| 44 | Abraham Inskip | 16 | son | — | Pennsylvania |
| 45 | Rose Inskip | 14 | daughter | — | Pennsylvania |
| 46 | Gladys Inskip | 12 | daughter | — | Pennsylvania |
| 47 | Marilyn Inskip | 10 | daughter | — | Pennsylvania |
| 48 | David Inskip | 8 | son | — | Pennsylvania |
| 49 | Walter Roberts | 45 | head | Salesman | Pennsylvania |
| 50 | Blanche S. Roberts | 46 | wife | — | Pennsylvania |
| 51 | David Roberts THIS PERSON | 22 | son | Stamp Maker | Pennsylvania |
| 52 | John Roberts | 19 | son | Draftsman | Pennsylvania |
| 53 | Julia Roberts | 18 | daughter | — | Pennsylvania |
| 54 | Mary Ann Roberts | 14 | daughter | — | Pennsylvania |
| 55 | Mary Jane Roberts | 12 | daughter | — | Pennsylvania |
| 56 | James Roberts | 9 | son | — | Pennsylvania |
| 57 | Louise Roberts | 4 | daughter | — | Pennsylvania |
| 59 | Ormand F. Bartholomew | 46 | head | Machinist | Pennsylvania |
| 60 | Hazel M. Bartholomew | 47 | wife | — | Pennsylvania |
| 62 | Melvin Graner | 28 | head | Clerk (Office) | Pennsylvania |
| 63 | Arline Graner | 28 | wife | Teacher | Pennsylvania |
| 65 | Carl Shellenberger | 34 | head | Shirt Cutter | Pennsylvania |
| 66 | Joyce Shellenberger | 28 | wife | Operator | Pennsylvania |
| 67 | Clara M. Griesemer | 75 | mother-in-law | Nurse | Pennsylvania |
| 68 | Jacqueline Rhodes | 16 | sister-in-law | — | Pennsylvania |
| 70 | Carl R. Harmony | 36 | head | Agent | Pennsylvania |
| 71 | Marie Harmony | 31 | wife | Cigar Maker | Pennsylvania |
| 72 | Donald Harmony | 12 | son | — | Pennsylvania |
| 73 | Paul E. Amey | 42 | head | Bookkeeper | Pennsylvania |
| 74 | Lillian B. Amey | 38 | wife | — | U.S.A. |
| 75 | Ruth Marie Amey | 14 | daughter | — | Pennsylvania |
| 76 | Lucille Ann Amey | 8 | daughter | — | Pennsylvania |
Related Census Records
Pedigree Summary
David + 6 siblings
Gen 1 · 5 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)