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William Healy — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Sangamon, Illinois
Our Model Tree links this William Healy across the 1930 and 1940 US Censuses in Sangamon, Illinois (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 7-person household.
Age 10
b. ~1920
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Sangamon, Illinois |
| Surname | Healy |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Springfield City |
| Est. Birth Year | ~1920 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Margaret Healy | Daughter | — | 21 | ~1909 |
| James Healy | Son | — | 14 | ~1916 |
| Patrick Healy | Head | — | 54 | ~1876 |
| Ida Healy | Spouse | — | 51 | ~1879 |
| John Healy | Son | — | 9 | ~1921 |
| Robert Healy | Son | — | 16 | ~1914 |
| William Healy | Son | — | 10 | ~1920 |
Census Appearances
1930
Sangamon, Illinois
Son, age 10
Sangamon, Illinois · implied b. ~1920 — 7 household members
| Surname | Healy |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Sangamon-County, Illinois
Son, age 20
Sangamon-County, Illinois · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Healey |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Sangamon |
| Hours Worked | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 William Healy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Healy
Son · 1930 · age 10 · b. ~1920 · Illinois
★ You are viewing this record
Sibling
John Healy
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Healy
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Healy
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Healy
Sibling · 1930 · age 16
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 — Sangamon, Illinois
Open full size
1930 US Federal Census — Sangamon, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel559:0662)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Russell E. Miller | 22 | Lodger | Salesman | Illinois |
| 52 | Patrick J. Healy | 54 | Head | Proprietor | Michigan |
| 53 | Ida B. Healy | 51 | Wife | — | New York |
| 54 | Margaret Healy | 21 | Daughter | — | Colorado |
| 55 | Robert Healy | 16 | Son | — | Illinois |
| 56 | James Albert Healy | 14 | Son | — | Illinois |
| 57 | William Healy THIS PERSON | 10 | Son | — | Illinois |
| 58 | John Healy | 9 | Son | Student | Illinois |
| 59 | John S. Pleak | 52 | Head | Physician | Illinois |
| 60 | Frieda Pleak | 42 | Wife | — | Kentucky |
| 61 | Bess Lines | 47 | Sister-in-law | — | Kentucky |
| 62 | Janet Pleak | 20 | Daughter | — | Illinois |
| 63 | Ruth Pleak | 18 | Daughter | — | Illinois |
| 64 | Barbara Pleak | 14 | Daughter | — | Illinois |
| 65 | Joseph G. Roberts | 34 | Head | Clothing Merchant | Missouri |
| 66 | Harriet Roberts | 32 | Wife | — | Ohio |
| 67 | Richard Roberts | 9 | Son | — | Illinois |
| 68 | James Roberts | 7 | Son | — | Illinois |
| 69 | Marie Schuina | 21 | Servant | Servant | Germany |
| 70 | Robert Dobbie | 43 | Head | Miller | Minnesota |
| 71 | Gertrude Dobbie | 43 | Wife | — | Minnesota |
| 72 | John R. Dobbie | 17 | Son | — | Minnesota |
| 73 | Ronald Dobbie | 11 | Son | — | Minnesota |
| 74 | Charles Springer | 66 | Head | Retired | Illinois |
| 75 | Maud Springer | 53 | Wife | — | Iowa |
| 76 | John Weaver | 77 | Head | Retired | Iowa |
| 77 | Mary Weaver | 73 | Wife | — | Iowa |
| 78 | Nicholas H. Mcroberts | 42 | Head | Train Dispatcher | Illinois |
| 79 | Clara Mcroberts | 44 | Wife | — | Illinois |
| 80 | Corrine Mcroberts | 15 | Daughter | — | Illinois |
| 81 | Charles Mcroberts | 14 | Son | — | Illinois |
| 82 | Howard Mcroberts | 12 | Son | — | Illinois |
| 83 | Bernard Mcroberts | 11 | Son | — | Illinois |
| 84 | William Mcroberts | 10 | Son | — | Illinois |
| 85 | Richard Mcroberts | 8 | Son | — | Illinois |
| 86 | Joseph Mcroberts | 5 | Son | — | Illinois |
| 87 | Frank R. Traigh | 63 | Head | Superintendent | Illinois |
| 88 | Russell J. Traigh | 33 | Son | Bookkeeper | Illinois |
| 89 | Irene Traigh | 29 | Daughter-in-law | — | Illinois |
| 90 | Robert Traigh | 8 | Grandson | — | Illinois |
| 91 | Alice Traigh | 4 | Granddaughter | — | Illinois |
| 92 | John O'Donnell | 52 | Head | Undertaker | Illinois |
| 93 | Clara C. O'Donnell | 40 | Wife | — | Illinois |
| 94 | Maurice O'Donnell | 16 | Son | — | Illinois |
| 95 | Corrine O'Donnell | 13 | Daughter | — | Illinois |
| 96 | James Lewis | 38 | Head | Office Clerk | Illinois |
| 97 | Louise Lewis | 27 | Wife | — | Illinois |
| 98 | Rev. Michael J. Enright | 50 | Head | Clergy | Illinois |
| 99 | Rev. Joseph A. Enright | 29 | Assistant | Clergy | Illinois |
| 100 | Geoffrey Egan | 29 | Assistant | Clergy | Northern Ireland |
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)