JC
James Costello — 1940 US Census Record
Model Tree available1940 United States Federal Census · Schuylkill-County, Pennsylvania
Our Model Tree links this James Costello across the 1910, 1920, 1930 and 1940 US Censuses in Schuylkill-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & James — first a head (b.~1906), then head of a 5-person household.
Age 34
b. ~1906
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Schuylkill-County, Pennsylvania |
| Surname | Costello |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Schuylkill |
| 1935 Residence (County) | Schuylkill |
| Additional Details | |
| Occupation | Laborer |
| Industry | Reading Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Est. Birth Year | ~1906 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| James Costello | Head | — | 34 | ~1906 |
| Tillia Winter | Other | — | 72 | ~1868 |
| Dolores Costello | Daughter | — | 3 | ~1937 |
| Elizabeth Costello | Spouse | — | 30 | ~1910 |
| James Costello | Son | — | 12 | ~1928 |
Census Appearances
1910
Schuylkill, Pennsylvania
Son, age 4
Schuylkill, Pennsylvania · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costello |
| Given Name | James |
| 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
Schuylkill, Pennsylvania
Son, age 14
Schuylkill, Pennsylvania · implied b. ~1906 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costello |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Schuylkill, Pennsylvania
Son, age 24
Schuylkill, Pennsylvania · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costello |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Railway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Schuylkill-County, Pennsylvania
Head, age 34
Schuylkill-County, Pennsylvania · implied b. ~1906 — 5 household members
| Surname | Costello |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Schuylkill |
| 1935 Residence (County) | Schuylkill |
| Occupation | Laborer |
| Industry | Reading Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | No 7 |
| 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 James Costello across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Costello (~0.92 confidence) and father James Costello (~0.92 confidence) and mother Annie Costello (~0.92 confidence) and mother Mary Costello (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Costello
b. ~1871
Source father
● Household
· direct · ~0.92
Father
James Costello
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Annie Costello
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Mary Costello
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Costello
Head · 1940 · age 34 · b. ~1906 · 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 — Schuylkill-County, Pennsylvania
Open full size
1940 US Federal Census — Schuylkill-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03605-00226)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Francis Drummer | 12 | Son | — | Pennsylvania |
| 42 | William Drummer | 10 | Son | — | Pennsylvania |
| 43 | Edward Drummer | 7 | Son | — | Pennsylvania |
| 44 | Frederick Drummer | 3 | Son | — | Pennsylvania |
| 45 | Rudolf Barth | 72 | Head | — | Germany |
| 46 | Anna Barth | 62 | Wife | — | Pennsylvania |
| 47 | Herman Barth | 32 | Son | Mechanic | Pennsylvania |
| 48 | Joan Barth | 26 | Daughter | — | Pennsylvania |
| 49 | Herman Barth | 7 | Son | — | Pennsylvania |
| 50 | Charles Olson | 33 | Head | Laborer | Minnesota |
| 51 | Elizabeth Olson | 33 | Wife | — | Pennsylvania |
| 52 | Charles Olson | 7 | Son | — | Pennsylvania |
| 53 | William Olson | 5 | Son | — | Pennsylvania |
| 54 | John Gretchen | 21 | Brother | Messenger Boy | Pennsylvania |
| 55 | Virginia Gretchen | 15 | Sister in law | — | Pennsylvania |
| 56 | Robert D. Becht | 33 | Head | Laborer | Pennsylvania |
| 57 | Elizabeth Becht | 33 | Wife | — | Pennsylvania |
| 58 | Dorothy Becht | 11 | Daughter | — | Pennsylvania |
| 59 | James Costello THIS PERSON | 34 | Head | Laborer | Pennsylvania |
| 60 | Elizabeth Costello | 30 | Wife | — | Pennsylvania |
| 61 | Dolores Costello | 3 | Daughter | — | Pennsylvania |
| 62 | James Costello | 12 | Son | — | Pennsylvania |
| 63 | Tillia Winter | 72 | Mother in law | — | Pennsylvania |
| 64 | Aloysius Schumm | 43 | Head | Miner | Pennsylvania |
| 65 | Elva Schumm | 47 | Wife | — | Pennsylvania |
| 66 | Francis Schumm | 20 | Son | Laborer | Pennsylvania |
| 67 | Dorothy Schumm | 18 | Daughter | Typist | Pennsylvania |
| 68 | Elizabeth Schumm | 16 | Daughter | — | Pennsylvania |
| 69 | Virginia Schumm | 13 | Daughter | — | Pennsylvania |
| 70 | Janice Schumm | 11 | Daughter | — | Pennsylvania |
| 71 | Sarah J. Hummel | 48 | Head | — | Pennsylvania |
| 72 | La Verne Hummel | 13 | Daughter | — | Pennsylvania |
| 73 | Raymond Hummel | 9 | Son | — | Pennsylvania |
| 74 | James Hoffman | 52 | Uncle | — | Pennsylvania |
| 75 | Elmer Hummel | 45 | Nephew | — | Pennsylvania |
| 76 | Edward O. Mcgonigal | 40 | Head | Laborer | Pennsylvania |
| 77 | Ella Mcgonigal | 39 | Wife | — | Pennsylvania |
| 78 | Ann Marie Mcgonigal | 9 | Daughter | — | Pennsylvania |
| 79 | Margaret Mcgonigal | 7 | Daughter | — | Pennsylvania |
| 80 | William Mulroy | 21 | Head | Assistant | Pennsylvania |
Pedigree Summary
James
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)