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William Harper — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Mclean, Illinois
Our Model Tree links this William Harper across the 1920 and 1930 US Censuses in Mclean, Illinois (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 10-person household.
Age 51
b. ~1879
Male
Head
Born: Indiana
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Mclean, Illinois |
| Surname | Harper |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 23 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Farmer |
| Township / Ward | Dawson Township Part Of |
| Est. Birth Year | ~1879 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Harper | Daughter | — | 19 | ~1911 |
| Ruth Harper | Daughter | — | 11 | ~1919 |
| Martha Harper | Daughter | — | 13 | ~1917 |
| Annabelle Harper | Daughter | — | 7 | ~1923 |
| Josephine Harper | Daughter | — | 25 | ~1905 |
| Ila Harper | Daughter | — | 5 | ~1925 |
| William Harper | Head | — | 51 | ~1879 |
| Lucy Harper | Other | — | 50 | ~1880 |
| Patrick Harper | Son | — | 14 | ~1916 |
| William Harper | Son | — | 18 | ~1912 |
Census Appearances
1920
Mclean, Illinois
Head, age 42
Mclean, Illinois · implied b. ~1878 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | William M |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Kentucky |
| Occupation | farmer |
| Industry | general |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Mclean, Illinois
Head, age 51
Mclean, Illinois · implied b. ~1879 — 10 household members
| Surname | Harper |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 23 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Kentucky |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Harper across 2 US Census years (1920 and 1930) in Mclean, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
William Harper
Head · 1930 · age 51 · b. ~1879 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Mclean, Illinois
Open full size
1930 US Federal Census — Mclean, Illinois
Page Contents
49 people indexed on this census page (ia:1930:illinoiscensus00reel535:1045)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walter Howell | 31 | Head | Laborer | Illinois |
| 2 | Della Howell | 32 | Wife-H | None | Illinois |
| 3 | Marjorie Howell | 9 | Daughter | None | Illinois |
| 4 | Lucille Howell | 7 | Daughter | None | Illinois |
| 5 | Glenn Howell | 5 | Son | None | Illinois |
| 6 | Harold Howell | 3 | Son | None | Illinois |
| 7 | Eileen Howell | 1 | Daughter | None | Illinois |
| 8 | Arnet Chopin | 38 | Head | Merchant | Illinois |
| 9 | Elizabeth Chopin | 33 | Wife-H | None | Illinois |
| 10 | Charles Chopin | 6 | Son | None | Illinois |
| 11 | Robert Chopin | 3 | Son | None | Illinois |
| 12 | J. H. Jordan | 22 | Head | Farmer | Virginia |
| 13 | Ethel Jordan | 23 | Wife-H | None | Kentucky |
| 14 | Louise Jordan | 4 | Daughter | None | Illinois |
| 15 | James Jordan | 1 | Son | None | Illinois |
| 16 | William Cutlip | 24 | Head | Minister | Illinois |
| 17 | Helen Cutlip | 20 | Wife-H | None | Illinois |
| 18 | William Harper THIS PERSON | 51 | Head | Farmer | Indiana |
| 19 | Lucy Harper | 50 | Wife-H | None | Indiana |
| 20 | Josephine Harper | 25 | Daughter | Clerk | Indiana |
| 21 | Elizabeth Harper | 19 | Daughter | None | Indiana |
| 22 | William Harper | 18 | Son | Laborer | Indiana |
| 23 | Patrick Harper | 14 | Son | None | Indiana |
| 24 | Martha Harper | 13 | Daughter | None | Illinois |
| 25 | Ruth Harper | 11 | Daughter | None | Illinois |
| 26 | Annabelle Harper | 7 | Daughter | None | Illinois |
| 27 | Ila Harper | 5 | Daughter | None | Illinois |
| 28 | John Harper | 23 | Head | Laborer | Indiana |
| 29 | Gladys Harper | 19 | Wife-H | None | Texas |
| 30 | Robert Harper | 1 | Son | None | Illinois |
| 31 | Robert Harper | 19 | Relative | Laborer | Indiana |
| 32 | Delbert Braddock | 28 | Head | Laborer | Illinois |
| 33 | Fannie Braddock | 27 | Wife-H | None | Illinois |
| 34 | Albert Cope | 49 | Head | Farmer | Illinois |
| 35 | Ruby Cope | 43 | Wife-H | None | Illinois |
| 36 | Arnold Cope | 22 | Son | Laborer | Illinois |
| 37 | Alva Cope | 21 | Son | Laborer | Illinois |
| 38 | Albert Jr. Cope | 17 | Son | None | Illinois |
| 39 | Mary Cope | 14 | Daughter | None | Illinois |
| 40 | Clara Cope | 11 | Daughter | None | Illinois |
| 41 | Delmar Cope | 1 | Son | None | Illinois |
| 42 | John Lavin | 53 | Head | Laborer | Kentucky |
| 43 | Annie Lavin | 44 | Wife-H | None | Kentucky |
| 44 | Coy Lavin | 15 | Son | None | Kentucky |
| 45 | William Lavin | 11 | Son | None | Kentucky |
| 46 | Margaret Lavin | 7 | Daughter | None | Kentucky |
| 47 | John Graham | 52 | Head | Laborer | Illinois |
| 48 | Claude Graham | 18 | Son | Laborer | Illinois |
| 49 | Berton Graham | 14 | Son | Laborer | Illinois |
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)