HW
Harold Williams — 1920 US Census Record
Model Tree available1920 United States Federal Census · Mchenry, Illinois
Our Model Tree links this Harold Williams across the 1900, 1910 and 1920 US Censuses in Mchenry, Illinois (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1899), then head of a 10-person household.
Age 21
b. ~1899
Male
Son
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Mchenry, Illinois |
| Surname | Williams |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Coral Township |
| Est. Birth Year | ~1899 |
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 1920 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| James Williams | Daughter | — | 5 | ~1915 |
| May Williams | Daughter | — | 17 | ~1903 |
| Ruth Williams | Daughter | — | 9 | ~1911 |
| Phylis Williams | Daughter | — | 1 | ~1919 |
| Jennie Williams | Daughter | — | 20 | ~1900 |
| John Williams | Head | — | 55 | ~1865 |
| Roy Williams | Son | — | 13 | ~1907 |
| Louis Williams | Son | — | 15 | ~1905 |
| Harold Williams | Son | — | 21 | ~1899 |
| Elva Williams | Spouse | — | 48 | ~1872 |
Census Appearances
1900
Mchenry, Illinois
Son, age 2
Mchenry, Illinois · implied b. ~1898 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Birth Month | Sept |
| Birth Year | 1898 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1910
Mchenry, Illinois
Son, age 11
Mchenry, Illinois · implied b. ~1899 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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 |
1920
Mchenry, Illinois
Son, age 21
Mchenry, Illinois · implied b. ~1899 — 10 household members
| Surname | Williams |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Williams across 3 US Census years (1900, 1910 and 1920) in Mchenry, Illinois, using XGBoost record linkage. Identified parents: father John Williams (~0.92 confidence) and father John Williams (~0.92 confidence) and father John Williams (~0.92 confidence) and mother Valeria Williams (~0.92 confidence) and mother Belva Williams (~0.92 confidence) and mother Elva Williams (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Williams
b. ~1865
Source father
● Household
· direct · ~0.92
Father
John Williams
b. ~1865
Source father
● Household
· direct · ~0.92
Father
John Williams
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Valeria Williams
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Belva Williams
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Elva Williams
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Williams
Son · 1920 · age 21 · b. ~1899 · Illinois
★ You are viewing this record
Sibling
Ruth Williams
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phylis Williams
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Williams
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
May Williams
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jennie Williams
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Williams
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Williams
Sibling · 1920 · age 15
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
1920 US Federal Census — Mchenry, Illinois
Open full size
1920 US Federal Census — Mchenry, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu386unit:0234)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Davis | 14 | Daughter | — | Illinois |
| 2 | Margaret Davis | 12 | Daughter | — | Illinois |
| 3 | Lillie Davis | 11 | Daughter | — | Illinois |
| 4 | George Davis | 10 | Son | — | Illinois |
| 5 | David Davis | 6 | Son | — | Illinois |
| 6 | Francis Davis | 4 | Daughter | — | Illinois |
| 7 | Kate Davis | 54 | Mother | — | Illinois |
| 8 | Willy Brumhen | 46 | Head | Farmer | Hanover |
| 9 | Mable Brumhen | 29 | Wife | — | Illinois |
| 10 | Merland Brumhen | 8 | Son | — | Illinois |
| 11 | Edward Brumhen | 7 | Son | — | Illinois |
| 12 | Myra Brumhen | 5 | Daughter | — | Illinois |
| 13 | Howard Brumhen | 4 | Son | — | Illinois |
| 14 | Laurine Brumhen | 1 | Daughter | — | Illinois |
| 15 | John Davis | 59 | Head | Farmer | Illinois |
| 16 | Cora Davis | 54 | Wife | — | Illinois |
| 17 | David Davis | 25 | Son | — | Illinois |
| 18 | Henry Davis | 20 | Son | — | Illinois |
| 19 | Margaret Davis | 20 | Daughter | — | Illinois |
| 20 | Peter Stearnon | 20 | Boarder | — | Illinois |
| 21 | Walt Fitzgerald | 25 | Head | Farmer | Illinois |
| 22 | Lucie Fitzgerald | 23 | Wife | — | Illinois |
| 23 | Bernice Fitzgerald | 1 | Daughter | — | Illinois |
| 24 | Edwin Fitzgerald | 1 | Son | — | Illinois |
| 25 | John Tabler | 46 | Hiredman | Laborer | Illinois |
| 26 | John Hordor | 31 | Head | Farmer | Bohemian |
| 27 | Anna Hordor | 23 | Wife | — | Bohemian |
| 28 | Anna Hordor | 3 | Daughter | — | Illinois |
| 29 | Cathryn Hordor | 1 | Daughter | — | Illinois |
| 30 | Johannes Hordor | 5 | Daughter | — | Illinois |
| 31 | John Williams | 55 | Head | Farmer | Illinois |
| 32 | Elva Williams | 48 | Wife | — | Illinois |
| 33 | Harold Williams THIS PERSON | 21 | Son | Laborer | Illinois |
| 34 | Jennie Williams | 20 | Daughter | — | Illinois |
| 35 | May Williams | 17 | Daughter | — | Illinois |
| 36 | Louis Williams | 15 | Son | — | Illinois |
| 37 | Roy Williams | 13 | Son | — | Illinois |
| 38 | Ruth Williams | 9 | Daughter | — | Illinois |
| 39 | James Williams | 5 | Daughter | — | Illinois |
| 40 | Phylis Williams | 1 | Daughter | — | Illinois |
| 41 | Will Ackman | 40 | Head | Farmer | Illinois |
| 42 | Verna Ackman | 36 | Wife | — | Illinois |
| 43 | Adrain Ackman | 13 | Daughter | — | Illinois |
| 44 | Wayne Ackman | 9 | Son | — | Illinois |
| 45 | Walt Lambrecht | 39 | Head | Farmer | Illinois |
| 46 | Mary Lambrecht | 37 | Wife | — | Illinois |
| 47 | Arthur Lambrecht | 6 | Son | — | Illinois |
| 48 | Glen Lambrecht | 5 | Son | — | Illinois |
| 49 | Grace Lambrecht | 2 | Daughter | — | Illinois |
| 50 | Edman Lambrecht | 1 | Son | — | Illinois |
Pedigree Summary
Harold + 7 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)