DC
Donald Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lackawanna-County, Pennsylvania
Our Model Tree links this Donald Campbell across the 1910, 1920, 1930 and 1940 US Censuses in Lackawanna-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Leonard & Margaret — first a son (b.~1908), then head of a 5-person household.
Age 32
b. ~1908
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lackawanna-County, Pennsylvania |
| Surname | Campbell |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Carbondale city |
| 1935 Residence (County) | Lackawanna |
| Additional Details | |
| Occupation | church janitor |
| Industry | church |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 740 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Church Janitor |
| Township / Ward | Carbondale City |
| Est. Birth Year | ~1908 |
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 Donald | Age | Birth yr |
|---|---|---|---|---|
| Margaret Lili | Daughter | — | 13 | ~1927 |
| Donald Campbell | Son | — | 32 | ~1908 |
| Darwin Lili | Other | — | 43 | ~1897 |
| Paula Lili | Daughter | — | 38 | ~1902 |
| Margaret Campbell | Head | — | 65 | ~1875 |
Census Appearances
1910
Lackawanna, Pennsylvania
Son, age 3
Lackawanna, Pennsylvania · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Lackawanna, Pennsylvania
Son, age 12
Lackawanna, Pennsylvania · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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
Lackawanna, Pennsylvania
Son, age 22
Lackawanna, Pennsylvania · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Donald |
| 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 | Inspector |
| Industry | Radio |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lackawanna-County, Pennsylvania
Son, age 32
Lackawanna-County, Pennsylvania · implied b. ~1908 — 5 household members
| Surname | Campbell |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Carbondale city |
| 1935 Residence (County) | Lackawanna |
| Occupation | church janitor |
| Industry | church |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 740 |
| Highest Grade | H 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 Donald Campbell across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Leonard Campbell (~0.92 confidence) and mother Margaret Campbell (~0.92 confidence) and mother Margaret Campbell (~0.92 confidence) and mother Margaret Campbell (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Leonard Campbell
b. ~1855
Source father
● Household
· direct · ~0.92
Mother
Margaret Campbell
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Margaret Campbell
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Margaret Campbell
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Campbell
Son · 1940 · age 32 · b. ~1908 · Pennsylvania
★ You are viewing this record
Sibling
Margaret Lili
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paula Lili
Sibling · 1940 · age 38
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 — Lackawanna-County, Pennsylvania
Open full size
1940 US Federal Census — Lackawanna-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03522-01005)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Morrison | 11 | Son | — | Pennsylvania |
| 2 | Joseph Morrison | 22 | Son | New Worker | Pennsylvania |
| 3 | Clara Morrison | 18 | Daughter | — | Ohio |
| 4 | Margaret Campbell | 65 | Head | — | Pennsylvania |
| 5 | Donald Campbell THIS PERSON | 32 | Son | Church Janitor | Pennsylvania |
| 6 | Darwin Lili | 43 | Son in law | Clerk | Pennsylvania |
| 7 | Paula Lili | 38 | Daughter | — | Pennsylvania |
| 8 | Margaret Lili | 13 | Daughter | — | Pennsylvania |
| 9 | Robert Owens | 55 | Head | Fireman | Pennsylvania |
| 10 | Clara Owens | 55 | Wife | — | Pennsylvania |
| 11 | Edwin W. Owens | 32 | Son | — | Pennsylvania |
| 12 | Mabel Caregher | 54 | Head | — | Pennsylvania |
| 13 | Marjorie Caregher | 28 | Daughter | Typist | Pennsylvania |
| 14 | John E. Lewis | 64 | Head | Fireman | Pennsylvania |
| 15 | Sarah Lewis | 59 | Wife | — | Pennsylvania |
| 16 | William Lewis | 22 | Son | New Worker | Pennsylvania |
| 17 | Clarence Chambers | 51 | Head | Contractor Painter & Paperhanger | Pennsylvania |
| 18 | Goldie Chambers | 44 | Wife | — | Pennsylvania |
| 19 | Donald Chambers | 22 | Son | Painter | Pennsylvania |
| 20 | Eleanor Chambers | 21 | Daughter | New Worker | Pennsylvania |
| 21 | John H. Muel | 41 | Head | Foreman Mechanic | Pennsylvania |
| 22 | Helen L. Muel | 45 | Wife | — | Pennsylvania |
| 23 | Charles Muel | 12 | Son | — | Pennsylvania |
| 24 | Mildred Longfellow | 45 | Sister | Stenographer | Pennsylvania |
| 25 | Cedric Meyers | 25 | Head | Laborer | Pennsylvania |
| 26 | Lillian Meyers | 20 | Wife | — | Pennsylvania |
| 27 | Cedric Junior Meyers | 0 | Son | — | Pennsylvania |
| 28 | Mary Chase | 66 | Head | — | Wales |
| 29 | Albert J. Mussari | 30 | Head | Route Man | Pennsylvania |
| 30 | Catherine Mussari | 29 | Wife | Machine Operator | Pennsylvania |
| 31 | John Baldwin | 39 | Head | Laborer | Pennsylvania |
| 32 | Mary Baldwin | 28 | Wife | — | Pennsylvania |
| 33 | Christopher Baldwin | 2 | Son | — | Pennsylvania |
| 34 | Florence Matthews | 6 | Daughter | — | Pennsylvania |
| 35 | Christina Baldwin | 66 | Mother | — | Wales |
| 36 | Lawrence Kelly | 46 | Head | Machinist | Pennsylvania |
| 37 | Helen Kelly | 45 | Wife | — | Pennsylvania |
| 38 | Dorothy Kelly | 20 | Daughter | — | Pennsylvania |
| 39 | Paul Kelly | 15 | Son | — | Pennsylvania |
| 40 | Robert Kelly | 10 | Son | — | Pennsylvania |
Pedigree Summary
Donald + 2 siblings
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)