HH
Harold Hill — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Clair, Illinois
Our Model Tree links this Harold Hill across the 1920 and 1930 US Censuses in St Clair, Illinois (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 9-person household.
Age 16
b. ~1914
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Clair, Illinois |
| Surname | Hill |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Belleville City |
| Est. Birth Year | ~1914 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Ruth Hill | Daughter | — | 11 | ~1919 |
| Gertrude Hill | Spouse | — | 51 | ~1879 |
| William Hill | Head | — | 53 | ~1877 |
| George Hill | Son | — | 22 | ~1908 |
| Harold Hill | Son | — | 16 | ~1914 |
| William Hill | Son | — | 18 | ~1912 |
| Gertrude Hill | Daughter | — | 14 | ~1916 |
| Ralph Hill | Son | — | 7 | ~1923 |
| Helen Hill | Daughter | — | 13 | ~1917 |
Census Appearances
1920
St Clair, …
Son, age 6
St Clair, Illinois · implied b. ~1914 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hill |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
St Clair, …
Son, age 16
St Clair, Illinois · implied b. ~1914 — 9 household members
| Surname | Hill |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| 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 Harold Hill across 2 US Census years (1920 and 1930) in St Clair, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Harold Hill
Son · 1930 · age 16 · b. ~1914 · Illinois
★ You are viewing this record
Sibling
Ralph Hill
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Hill
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Hill
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Hill
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Hill
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Hill
Sibling · 1930 · age 22
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 — St Clair, Illinois
Open full size
1930 US Federal Census — St Clair, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel555:0301)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Esther Nelson | 20 | Daughter | Teacher | Illinois |
| 2 | George Iuesek | 23 | Head | Musician | Illinois |
| 3 | Hortense Iuesek | 23 | Wife | — | Illinois |
| 4 | Shirley J. Iuesek | 4 | Daughter | — | Illinois |
| 5 | Elma M. Iuesek | 2 | Daughter | — | Illinois |
| 6 | Nicholas Iuesek | 57 | Father | Miner | Illinois |
| 7 | Lena Iuesek | 54 | Mother | — | Illinois |
| 8 | Charles J. Green | 38 | Head | Moulder | Illinois |
| 9 | Minnie Ruff | 46 | Housekeeper | Housekeeper | Illinois |
| 10 | George Green | 36 | Brother | Laborer | Illinois |
| 11 | Elizabeth Mueller | 73 | Boarder | — | Illinois |
| 12 | Mildred Green | 12 | Daughter | — | Illinois |
| 13 | Dorothy Green | 10 | Daughter | — | Illinois |
| 14 | Virginia Green | 8 | Daughter | — | Illinois |
| 15 | William Hill | 53 | Head | Laborer | Illinois |
| 16 | Gertrude Hill | 51 | Wife | — | Illinois |
| 17 | George Hill | 22 | Son | Laborer | Illinois |
| 18 | William Hill | 18 | Son | Salesman | Illinois |
| 19 | Harold Hill THIS PERSON | 16 | Son | — | Illinois |
| 20 | Gertrude Hill | 14 | Daughter | — | Illinois |
| 21 | Helen Hill | 13 | Daughter | — | Illinois |
| 22 | Ruth Hill | 11 | Daughter | — | Illinois |
| 23 | Ralph Hill | 7 | Son | — | Illinois |
| 24 | Walter J. Hill | 30 | Head | Moulder | Illinois |
| 25 | Marie Hill | 23 | Wife | — | Germany |
| 26 | Walter Jr. Hill | 4 | Son | — | Illinois |
| 27 | Rosemarie Hill | 1 | Daughter | — | Illinois |
| 28 | Adolph Hill | 25 | Head | Moulder | Illinois |
| 29 | Marie Hill | 23 | Wife | — | Illinois |
| 30 | Robert A. Hill | 1 | Son | — | Illinois |
| 31 | Augusta Sivoriat? | 57 | Mother-in-law | — | Illinois |
| 32 | Louis J. Riesenfender | 39 | Head | Stock Clerk | Illinois |
| 33 | Frieda Riesenfender | 37 | Wife | — | Illinois |
| 34 | Lester Riesenfender | 11 | Son | — | Illinois |
| 35 | Walter Charlwood | 48 | Head | Miner | England |
| 36 | Lily Charlwood | 39 | Wife | — | England |
| 37 | Walter Jr. Charlwood | 11 | Son | — | Illinois |
| 38 | Mildred M. Charlwood | 8 | Daughter | — | Illinois |
| 39 | Frank Trevison | 46 | Head | Miner | Italy |
| 40 | Ivana Trevison | 37 | Wife | — | Italy |
| 41 | Rudolph Trevison | 12 | Son | — | Wyoming |
| 42 | John Trevison | 11 | Son | — | Wyoming |
| 43 | Albert Trevison | 8 | Son | — | Wyoming |
| 44 | John Ischhardt | 60 | Head | Boiler Maker | Illinois |
| 45 | Laura Ischhardt | 58 | Wife | — | Illinois |
| 46 | John Ischhardt | 30 | Son | Boiler Maker | Illinois |
| 47 | Henry Ischhardt | 29 | Son | Boiler Maker | Illinois |
| 48 | Charles W. Ischhardt | 21 | Son | — | Illinois |
| 49 | Val J. Reeb | 43 | Head | Moulder | Illinois |
| 50 | Elizabeth Reeb | 42 | Wife | — | Missouri |
Related Census Records
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)