JC
John Costello — 1930 US Census Record
Model Tree available1930 United States Federal Census · Essex, Massachusetts
Our Model Tree links this John Costello across the 1910, 1920 and 1930 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed), with identified parents Dennis & John — first a head (b.~1896), then head of a 4-person household.
Age 34
b. ~1896
Male
Head
Born: Massachusetts
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, Massachusetts |
| Surname | Costello |
| Given Name | John W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 26 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | New York |
| Additional Details | |
| Occupation | Contractor |
| Industry | Buildings |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 28 |
| Radio Set | R |
| Veteran | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Contractor |
| Township / Ward | North Andover Town |
| Est. Birth Year | ~1896 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Margherita Costello | Daughter | — | 6 | ~1924 |
| John Costello | Head | — | 34 | ~1896 |
| Mary Costello | Spouse | — | 34 | ~1896 |
| Irene Costello | Daughter | — | 2 | ~1928 |
Census Appearances
1910
Essex, Massachusetts
Son, age 13
Essex, Massachusetts · implied b. ~1897 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costello |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Essex, Massachusetts
Son, age 24
Essex, Massachusetts · implied b. ~1896 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costello |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | New York |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Head, age 34
Essex, Massachusetts · implied b. ~1896 — 4 household members
| Surname | Costello |
| Given Name | John W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 26 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | New York |
| Occupation | Contractor |
| Industry | Buildings |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 28 |
| Radio Set | R |
| Veteran | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 3 US Census years (1910, 1920 and 1930) in Essex, Massachusetts, using XGBoost record linkage. Identified parents: father Dennis Costello (~0.92 confidence) and father John Costello (~0.92 confidence) and mother Mary Costello (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Dennis Costello
b. ~1856
Source father
● Household
· direct · ~0.92
Father
John Costello
b. ~1857
Source father
● Household
· direct · ~0.92
Mother
Mary Costello
b. ~1859
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Costello
Head · 1930 · age 34 · b. ~1896 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Essex, Massachusetts
Open full size
1930 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel902:0075)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Chester G Jr Banks | 6 | Son | None | Massachusetts |
| 52 | Louise S Banks | 5 | Daughter | None | Massachusetts |
| 53 | Ruth Banks | 2 | Daughter | None | Massachusetts |
| 54 | James D Todd | 41 | Head | Coremaker | Scotland |
| 55 | Elizabeth Todd | 37 | Wife | None | Scotland |
| 56 | Christine R Todd | 16 | Daughter | Waitress | Massachusetts |
| 57 | Dorothy Q Todd | 10 | Daughter | None | Massachusetts |
| 58 | John J Donnelley | 35 | Head | Percher | Massachusetts |
| 59 | Adeline Donnelley | 29 | Wife | None | Canada English |
| 60 | Russell J Donnelley | 10 | Son | None | Massachusetts |
| 61 | William Bushnell | 72 | Head | Mill Worker | Scotland |
| 62 | Margaret Bushnell | 72 | Wife | None | Scotland |
| 63 | Gilbert Law | 38 | Son-in-law | Mill Worker | Scotland |
| 64 | Helen Law | 35 | Daughter | Mill Worker | Scotland |
| 65 | Alexander Law | 15 | Grandson | None | Massachusetts |
| 66 | Margaret Law | 12 | Granddaughter | None | Massachusetts |
| 67 | John W Costello THIS PERSON | 34 | Head | Contractor | Massachusetts |
| 68 | Mary E Costello | 34 | Wife | None | Massachusetts |
| 69 | Margherita Costello | 6 | Daughter | None | Massachusetts |
| 70 | Irene Costello | 2 | Daughter | None | Massachusetts |
| 71 | Eugene A Joyce | 73 | Head | Iron Molder | Massachusetts |
| 72 | Gertrude E Joyce | 44 | Daughter | None | Massachusetts |
| 73 | James Lee | 43 | Head | Mechanic | Massachusetts |
| 74 | Harriet M Lee | 40 | Wife | None | New Hampshire |
| 75 | Ruth H Lee | 15 | Daughter | None | Massachusetts |
| 76 | Mona A Lee | 21 | Daughter | Student Nurse | Massachusetts |
| 77 | Amosie M Soucy | 59 | Head | None | Canada French |
| 78 | Henry W Soucy | 27 | Son | Shipping Clerk | Massachusetts |
| 79 | Amedee G Soucy | 26 | Son | Percher | Massachusetts |
| 80 | Alfred A Soucy | 20 | Son | None | Massachusetts |
| 81 | Edwin H Littlefield | 32 | Head | Laborer | Canada English |
| 82 | Annie Littlefield | 34 | Wife | None | Scotland |
| 83 | Edwin H Jr Littlefield | 2 | Son | None | Massachusetts |
| 84 | Joan J Littlefield | 0 | Daughter | None | Massachusetts |
| 85 | Chastina Gile | 49 | Head | Bookkeeper | Canada English |
| 86 | Clara E Gile | 19 | Daughter | Salesgirl | Massachusetts |
| 87 | Robert P Miller | 39 | Head | Manufacturer | Massachusetts |
| 88 | Winifred L Miller | 37 | Wife | None | Massachusetts |
| 89 | Robert J Miller | 15 | Son | Helper | Massachusetts |
| 90 | Vincent J Miller | 13 | Son | None | Massachusetts |
| 91 | Margaret S Miller | 10 | Daughter | None | Massachusetts |
| 92 | Philip J Miller | 8 | Son | None | Massachusetts |
| 93 | Harry D Allport | 44 | Head | Weaver | England |
| 94 | Clara Allport | 43 | Wife | None | England |
| 95 | Amy Allport | 16 | Daughter | Spinner | Massachusetts |
| 96 | Ada A Allport | 12 | Daughter | None | Massachusetts |
| 97 | William Hibbits | 48 | Head | Stationary Engineer | England |
| 98 | Clara A Hibbits | 42 | Wife | None | England |
| 99 | Henry E Hibbits | 18 | Son | Operative | Massachusetts |
| 100 | Alice J Hibbits | 16 | Daughter | None | Massachusetts |
Pedigree Summary
John
Gen 1 · 3 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)