JC
John Costello — 1930 US Census Record
Model Tree available1930 United States Federal Census · Wayne, Michigan
Our Model Tree links this John Costello across the 1910, 1920, 1930 and 1940 US Censuses in Wayne, Michigan (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1910), then head of a 7-person household.
Age 20
b. ~1910
Male
Son
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Wayne, Michigan |
| Surname | Costello |
| Given Name | John R. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Occupation | Agent |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Agent |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1910 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Costello | Son | — | 20 | ~1910 |
| Ellen Clark | Other | — | 31 | ~1899 |
| Catherine Costello | Daughter | — | 17 | ~1913 |
| John Costello | Head | — | 62 | ~1868 |
| Agnes Costello | Daughter | — | 23 | ~1907 |
| Emma Costello | Other | — | 54 | ~1876 |
| Francis Costello | Son | — | 14 | ~1916 |
Census Appearances
1910
Wayne, Michigan
Son, age
Wayne, Michigan · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costello |
| Given Name | John R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1920
Wayne, Michigan
Son, age 10
Wayne, Michigan · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costello |
| Given Name | John R. Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Student |
| Industry | Sacred Heart |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 20
Wayne, Michigan · implied b. ~1910 — 7 household members
| Surname | Costello |
| Given Name | John R. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Agent |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 30
Wayne-County, Michigan · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Castillo |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Occupation | Salesman |
| Industry | Castings and auto accessories |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 278 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 John Costello across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Costello (~0.92 confidence) and father John Castillo (~0.92 confidence) and father John Costello (~0.92 confidence) and mother Emma Castillo (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Costello
b. ~1868
Source father
● Household
· direct · ~0.92
Father
John Castillo
b. ~1869
Source father
● Household
· direct · ~0.92
Father
John Costello
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Emma Castillo
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Costello
Son · 1930 · age 20 · b. ~1910 · Michigan
★ You are viewing this record
Sibling
Agnes Costello
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Costello
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Costello
Sibling · 1930 · age 17
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
1930 US Federal Census — Wayne, Michigan
Open full size
1930 US Federal Census — Wayne, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel1037:0938)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis J. Schroeder | 31 | Head | Lawyer | Michigan |
| 2 | Evelyn M. Schroeder | 31 | Wife-H | — | Michigan |
| 3 | Louis J. Schroeder | 6 | Son | — | Michigan |
| 4 | Marilyn P. Schroeder | 4 | Daughter | — | Michigan |
| 5 | Julia G. Uffeld | 55 | Head-H | — | Germany |
| 6 | Elmer L. Uffeld | 21 | Son | Artist | Michigan |
| 7 | Cyril D. Uffeld | 17 | Son | — | Michigan |
| 8 | Kathryn Tischbein | 88 | Mother | — | Germany |
| 9 | Harry W. Mcintire | 40 | Head | Research Worker | Missouri |
| 10 | Genevieve F. Mcintire | 31 | Wife-H | — | Wisconsin |
| 11 | Roderick H. Mcintire | 6 | Son | — | Illinois |
| 12 | Marilyn Mcintire | 4 | Daughter | — | Michigan |
| 13 | John R. Costello | 62 | Head | Salesman | Michigan |
| 14 | Emma C. Costello | 54 | Wife-H | — | Michigan |
| 15 | Agnes M. Costello | 23 | Daughter | Clerical | Michigan |
| 16 | John R. Jr. Costello THIS PERSON | 20 | Son | Agent | Michigan |
| 17 | Catherine R. Costello | 17 | Daughter | — | Michigan |
| 18 | Francis Costello | 14 | Son | — | Michigan |
| 19 | Ellen D. Clark | 31 | Servant | Servant | Canada-English |
| 20 | John E. Ryan | 49 | Head | Manager | Canada-English |
| 21 | Mary E. Ryan | 49 | Wife-H | — | Canada-English |
| 22 | Kathryn M. Ryan | 19 | Daughter | — | Michigan |
| 23 | Mary A. Ryan | 16 | Daughter | — | Michigan |
| 24 | John W. Chiles | 32 | Head | Salesman | Illinois |
| 25 | Marjory Chiles | 33 | Wife-H | — | Illinois |
| 26 | Dorothy Chiles | 4 | Daughter | — | Illinois |
| 27 | Samuel Liberman | 63 | Head | Manager | Poland |
| 28 | Idella Liberman | 58 | Wife-H | — | New York |
| 29 | David Liberman | 37 | Son | Representative | Michigan |
| 30 | Oscar Liberman | 35 | Son | Manager | Michigan |
| 31 | Ethel Liberman | 31 | Daughter | Buyer | Michigan |
| 32 | Lawrence Liberman | 25 | Son | Proprietor | Michigan |
| 33 | Rosella Liberman | 22 | Daughter | Secretary | Michigan |
| 34 | Edith Liberman | 19 | Daughter | — | Michigan |
| 35 | Louis Schlussel | 53 | Head | Retail Merchant | Poland |
| 36 | Lena Schlussel | 52 | Wife-H | — | Poland |
| 37 | Bernard Schlussel | 26 | Son | Salesman | Michigan |
| 38 | Vivian Schlussel | 18 | Daughter | — | Michigan |
| 39 | Shirley Schlussel | 15 | Daughter | — | Michigan |
| 40 | Jacob Horwitch | 42 | Head | Proprietor | Russia |
| 41 | Hannah Horwitch | 37 | Wife-H | Saleslady | Russia |
| 42 | Samuel Horwitch | 15 | Son | — | Michigan |
| 43 | Erwin Horwitch | 11 | Son | — | Michigan |
| 44 | Velma Lukity | 29 | Servant | Servant | Austria |
| 45 | Harry Goodman | 53 | Head | Salesman | Russia |
| 46 | Minnie Goodman | 47 | Wife-H | — | Russia |
| 47 | Earnest Goodman | 23 | Son | Lawyer | Michigan |
| 48 | Rose Goodman | 21 | Daughter | Teacher | Michigan |
| 49 | Thomas J. Burt | 52 | Head | Salesman | Michigan |
| 50 | Linnie Y. Burt | 50 | Wife-H | — | Michigan |
Pedigree Summary
John + 3 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 1930 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)