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James Costello — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lancaster-County, Nebraska
Our Model Tree links this James Costello across the 1930 and 1940 US Censuses in Lancaster-County, Nebraska (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Male
Son
Born: Nebraska
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lancaster-County, Nebraska |
| Surname | Costello |
| Given Name | James R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Lincoln City |
| Additional Details | |
| Highest Grade | Yes 5 |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Township / Ward | Lincoln City |
| Est. Birth Year | ~1929 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Richard Costello | Son | — | 13 | ~1927 |
| Paul Costello | Son | — | 6 | ~1934 |
| James Costello | Son | — | 11 | ~1929 |
| Hazel Costello | Spouse | — | 45 | ~1895 |
| Jackie Costello | Son | — | 8 | ~1932 |
| Donald Costello | Son | — | 22 | ~1918 |
| Clarence Costello | Head | — | 51 | ~1889 |
| Edwin Costello | Son | — | 16 | ~1924 |
Census Appearances
1930
Lancaster, Nebraska
Son, age 1
Lancaster, Nebraska · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costello |
| Given Name | James R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Nebraska |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Lancaster-County, Nebraska
Son, age 11
Lancaster-County, Nebraska · implied b. ~1929 — 8 household members
| Surname | Costello |
| Given Name | James R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Lincoln City |
| Highest Grade | Yes 5 |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Costello
Son · 1940 · age 11 · b. ~1929 · Nebraska
★ You are viewing this record
Sibling
Edwin Costello
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Costello
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jackie Costello
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Costello
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Costello
Sibling · 1940 · age 13
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 — Lancaster-County, Nebraska
Open full size
1940 US Federal Census — Lancaster-County, Nebraska
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02254-00695)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Grace Christopherson | 41 | Sister | Bookkeeper | Nebraska |
| 42 | Benjamin Eisenach | 36 | Head | Farmer | Colorado |
| 43 | Anna Eisenach | 64 | Mother | — | Russia |
| 44 | Charles Popenhagen | 51 | Head | Post Office Clerk | Nebraska |
| 45 | Della Popenhagen | 46 | Wife | — | Nebraska |
| 46 | Ilyhe Popenhagen | 13 | Son | — | Nebraska |
| 47 | Walter B Coane | 55 | Head | Civil Engineer | Illinois |
| 48 | Marie Coane | 49 | Wife | — | Nebraska |
| 49 | Charles Coane | 17 | Son | Paper Carrier | Nebraska |
| 50 | Clarence Costello | 51 | Head | Owner | Nebraska |
| 51 | Hazel M Costello | 45 | Wife | Owner | Nebraska |
| 52 | Donald Costello | 22 | Son | Printers Apprentice | Nebraska |
| 53 | Edwin B Costello | 16 | Son | — | Nebraska |
| 54 | Richard G Costello | 13 | Son | — | Nebraska |
| 55 | James R Costello THIS PERSON | 11 | Son | — | Nebraska |
| 56 | Jackie L Costello | 8 | Son | — | Nebraska |
| 57 | Paul Costello | 6 | Son | — | Nebraska |
| 58 | Charles Campbell | 70 | Head | Salesman | Indiana |
| 59 | Emma Campbell | 56 | Wife | — | Iowa |
| 60 | Harrison Campbell | 20 | Son | Laborer | Nebraska |
| 61 | Scott Campbell | 18 | Son | — | Nebraska |
| 62 | Henry Pflug | 43 | Head | Salesman | Illinois |
| 63 | Sue Pflug | 42 | Wife | — | Nebraska |
| 64 | William Pflug | 21 | Son | — | Nebraska |
| 65 | Mildred Pflug | 20 | Daughter | Stenographer | Nebraska |
| 66 | Elizabeth A Pflug | 18 | Daughter | Stenographer | Nebraska |
| 67 | John Pflug | 14 | Son | — | Nebraska |
| 68 | Freddie Pflug | 11 | Son | — | Nebraska |
| 69 | Rudolph Stransky | 35 | Head | Printer | Nebraska |
| 70 | Mildred Stransky | 41 | Wife | — | Nebraska |
| 71 | Mary Louise Stransky | 9 | Daughter | — | Missouri |
| 72 | Oscar Vandegreen | 51 | Head | Railway Postal Clerk | New York |
| 73 | Marie Vandegreen | 50 | Wife | — | Denmark |
| 74 | Robert M Vandegreen | 31 | Son | Musician | Nebraska |
| 75 | Irvin E Vandegreen | 29 | Son | Clerk Book Store | Nebraska |
| 76 | Velma L Vandegreen | 27 | Daughter | Stenographer | Nebraska |
| 77 | Thomas Beeskey | 32 | Head | Soil Surveyor | Indiana |
| 78 | Ellen Beeskey | 26 | Wife | — | Nebraska |
| 79 | Joyce E Beeskey | 2 | Daughter | — | Nebraska |
| 80 | Richard Beeskey | 0 | Son | — | Nebraska |
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)