JH
John Holland — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Holland across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 10-person household.
Age 12
b. ~1918
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Holland |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | England |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1918 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Mary Holland | Daughter | — | 15 | ~1915 |
| Joshua Holland | Head | — | 60 | ~1870 |
| Edward Holland | Son | — | 8 | ~1922 |
| Victor Holland | Son | — | 18 | ~1912 |
| Albert Holland | Son | — | 23 | ~1907 |
| Stephen Holland | Son | — | 25 | ~1905 |
| John Holland | Son | — | 12 | ~1918 |
| Walter Holland | Son | — | 20 | ~1910 |
| Frank Holland | Son | — | 27 | ~1903 |
| Mary Holland | Spouse | — | 52 | ~1878 |
Census Appearances
1920
Cook, Illinois
Son, age 2
Cook, Illinois · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holland |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Canada |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1918 — 10 household members
| Surname | Holland |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | England |
| 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 John Holland across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
John Holland
Son · 1930 · age 12 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Mary Holland
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Victor Holland
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Holland
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Holland
Sibling · 1930 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Holland
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stephen Holland
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Holland
Sibling · 1930 · age 20
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 — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
48 people indexed on this census page (ia:1930:illinoiscensus00reel425:0872)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Sligar | 35 | Head | Laborer | New York |
| 2 | Wilda Sligar | 35 | Wife | — | New York |
| 3 | Thomas Jr. Sligar | 8 | Son | — | New York |
| 4 | Mary Sligar | 7 | Daughter | — | New York |
| 5 | John Sligar | 5 | Son | — | New York |
| 6 | Anna Sligar | 3 | Daughter | — | Illinois |
| 7 | Margaret Sligar | 2 | Daughter | — | Illinois |
| 8 | Jack Schneiderman | 31 | Head | Tailor | Russia |
| 9 | Mary Schneiderman | 64 | Mother | — | Russia |
| 10 | Clarice Schneiderman | 9 | Daughter | — | Illinois |
| 11 | Shirley Schneiderman | 5 | Daughter | — | Illinois |
| 12 | Charles Lundberg | 41 | Head | Machinist | Norway |
| 13 | Evelyn Lundberg | 41 | Wife | — | Sweden |
| 14 | Mary Lundberg | 10 | Daughter | — | Sweden |
| 15 | Cristine Lundberg | 8 | Daughter | — | Sweden |
| 16 | Raymond Lundberg | 4 | Son | — | Illinois |
| 17 | Anna Lundberg | 22 | Sister | — | Norway |
| 18 | Anna Miller | 69 | Head | Housekeeper | Indiana |
| 19 | Arthur Mccluer | 42 | Lodger | Locomotive Engineer | Illinois |
| 20 | Jessie Mccluer | 39 | Lodger | — | Wisconsin |
| 21 | James Barker | 42 | Head | — | Illinois |
| 22 | Kathryn Barker | 39 | Wife | — | South Dakota |
| 23 | James Jr. Barker | 18 | Son | Asbestos Worker | Illinois |
| 24 | George Barker | 17 | Son | Office Boy | Illinois |
| 25 | Marion Barker | 14 | Daughter | — | Illinois |
| 26 | Hazel Barker | 10 | Daughter | — | Illinois |
| 27 | Joan Barker | 6 | Daughter | — | Illinois |
| 28 | Thomas Barker | 2 | Son | — | Illinois |
| 30 | Apartment - Page 4A | None | — | — | — |
| 32 | Ellis Exley | 39 | Head | Clergyman | New Jersey |
| 33 | Marie Exley | 38 | Wife | — | Sweden |
| 34 | Ruth Exley | 14 | Daughter | — | South Dakota |
| 35 | Ellen Exley | 12 | Daughter | — | South Dakota |
| 36 | Ellis Jr. Exley | 7 | Son | — | Ohio |
| 37 | Betty Exley | 5 | Daughter | — | Nebraska |
| 38 | Edgar Exley | 2 | Son | — | Illinois |
| 39 | Joshua Holland | 60 | Head | Switchman | Illinois |
| 40 | Mary Holland | 52 | Wife | — | England |
| 41 | Frank Holland | 27 | Son | Shipping Clerk | Illinois |
| 42 | Stephen Holland | 25 | Son | Fireman | Illinois |
| 43 | Albert Holland | 23 | Son | Mechanic | Illinois |
| 44 | Walter Holland | 20 | Son | Brakeman | Illinois |
| 45 | Victor Holland | 18 | Son | Strapper | Illinois |
| 46 | Mary Holland | 15 | Daughter | — | Illinois |
| 47 | John Holland THIS PERSON | 12 | Son | — | Illinois |
| 48 | Edward Holland | 8 | Son | — | Illinois |
| 49 | David Cooper | 72 | Head | Steel Layer | England |
| 50 | Hannah Cooper | 73 | Wife | — | England |
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)