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John Mcelroy — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Providence, Rhode Island
Our Model Tree links this John Mcelroy across the 1920 and 1930 US Censuses in Providence, Rhode Island (XGBoost, ~Confirmed) — first a son (b.~1910), then head of a 7-person household.
Age 20
b. ~1910
Male
Son
Born: Rhode Island
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Providence, Rhode Island |
| Surname | McElroy |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | No. Ireland |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Occupation | Clerk |
| Industry | Steam R.R. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Clerk |
| Township / Ward | City Of Providence |
| 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 |
|---|---|---|---|---|
| Philip Mcelroy | Son | — | 22 | ~1908 |
| Mary Mcelroy | Daughter | — | 10 | ~1920 |
| Bernard Mcelroy | Son | — | 15 | ~1915 |
| Robert Mcelroy | Son | — | 17 | ~1913 |
| Alice Mcelroy | Spouse | — | 50 | ~1880 |
| John Mcelroy | Son | — | 20 | ~1910 |
| Philip Mcelroy | Head | — | 50 | ~1880 |
Census Appearances
1920
Providence, Rhode …
Son, age 9
Providence, Rhode Island · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McElroy |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Ireland |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Providence, Rhode …
Son, age 20
Providence, Rhode Island · implied b. ~1910 — 7 household members
| Surname | McElroy |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | No. Ireland |
| Mother's Birthplace | New Jersey |
| Occupation | Clerk |
| Industry | Steam R.R. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 Mcelroy across 2 US Census years (1920 and 1930) in Providence, Rhode Island, using XGBoost record linkage.
Show:
This person
Anchor record
John Mcelroy
Son · 1930 · age 20 · b. ~1910 · Rhode Island
★ You are viewing this record
Sibling
Bernard Mcelroy
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Philip Mcelroy
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mcelroy
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mcelroy
Sibling · 1930 · age 10
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 — Providence, Rhode Island
Open full size
1930 US Federal Census — Providence, Rhode Island
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2176unit:0429)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mendel Orenstein | 40 | Head | Peddler | Poland |
| 52 | Ida Orenstein | 37 | Wife | — | Poland |
| 53 | Sarah Orenstein | 2 | Daughter | — | Rhode Island |
| 54 | James H. Mccoy | 44 | Head | Beautician | Rhode Island |
| 55 | Lillian R. Mccoy | 43 | Wife | Chauffeur | Missouri |
| 56 | Doris E. Mccoy | 17 | Daughter | — | Rhode Island |
| 57 | Florence M. Mccoy | 14 | Daughter | — | Rhode Island |
| 58 | Robert F. Mccoy | 9 | Son | — | Rhode Island |
| 59 | Ruth M. Mccoy | 5 | Daughter | — | Rhode Island |
| 60 | Edward G. Parker | 55 | Head | Ironman | Rhode Island |
| 61 | Sadie Parker | 43 | Wife | — | Rhode Island |
| 62 | Eugene Parker | 21 | Son | Time Clerk | Rhode Island |
| 63 | Edith M. Parker | 20 | Daughter | — | Rhode Island |
| 64 | Mabel Parker | 19 | Daughter | Stenographer | Rhode Island |
| 65 | Norman Parker | 14 | Son | — | Rhode Island |
| 66 | James Parker | 12 | Son | — | Rhode Island |
| 67 | Michael Henry | 50 | Head | Teamster | Irish Free State |
| 68 | Catherine Henry | 45 | Wife | — | Irish Free State |
| 69 | John J. Henry | 10 | Son | — | Massachusetts |
| 70 | Johanna M. Henry | 8 | Daughter | — | Rhode Island |
| 71 | Patrick Kennedy | 59 | Lodger | Laborer | Irish Free State |
| 72 | John Ross | 70 | Lodger | — | Canada-English |
| 73 | Michael Gallagher | 42 | Head | Truck Driver | Irish Free State |
| 74 | Mary J. Gallagher | 39 | Wife | — | Irish Free State |
| 75 | Francis Gallagher | 11 | Son | — | Rhode Island |
| 76 | Mary Gallagher | 9 | Daughter | — | Rhode Island |
| 77 | Florence Gallagher | 7 | Daughter | — | Rhode Island |
| 78 | Catherine Gallagher | 5 | Daughter | — | Rhode Island |
| 79 | Philip J. Mcelroy | 50 | Head | Foreman | North Ireland |
| 80 | Alice E. Mcelroy | 50 | Wife | — | New Jersey |
| 81 | Philip J. Mcelroy | 22 | Son | Clerk | Rhode Island |
| 82 | John J. Mcelroy THIS PERSON | 20 | Son | Clerk | Rhode Island |
| 83 | Robert J. Mcelroy | 17 | Son | Auto Mechanic | Rhode Island |
| 84 | Bernard B. Mcelroy | 15 | Son | — | Rhode Island |
| 85 | Mary A. Mcelroy | 10 | Daughter | — | Rhode Island |
| 86 | James M. O'Connor | 59 | Head | Janitor | Massachusetts |
| 87 | Delia J. O'Connor | 52 | Wife | — | Massachusetts |
| 88 | Grace O'Connor | 27 | Daughter | Stenographer | Rhode Island |
| 89 | Mary J. O'Connor | 26 | Daughter | Stenographer | Rhode Island |
| 90 | Joseph M. O'Connor | 21 | Son | — | Rhode Island |
| 91 | Ruth A. O'Connor | 14 | Daughter | — | Rhode Island |
| 92 | Alfred B. Searle | 25 | Head | Bookkeeper | Massachusetts |
| 93 | Marjorie M. Searle | 23 | Wife | Dial Caster | Canada-French |
| 94 | Barbara M. Searle | 1 | Daughter | — | Massachusetts |
| 95 | — | None | — | — | — |
| 96 | — | None | — | — | — |
| 97 | — | None | — | — | — |
| 98 | — | None | — | — | — |
| 99 | — | None | — | — | — |
| 100 | — | None | — | — | — |
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)