GK
Grace King — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Grace King across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 10-person household.
Age 0
b. ~1930
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | King |
| Given Name | Grace H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | New York |
| Additional Details | |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1930 |
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 Grace | Age | Birth yr |
|---|---|---|---|---|
| Harrison King | Son | — | 11 | ~1919 |
| Leroy King | Son | — | 6 | ~1924 |
| Martha King | Daughter | — | 2 | ~1928 |
| Myrtle King | Daughter | — | 7 | ~1923 |
| Grace King | Daughter | — | ~1930 | |
| Walter King | Son | — | 4 | ~1926 |
| Gladys King | Daughter | — | 3 | ~1927 |
| Walter King | Head | — | 31 | ~1899 |
| Alice King | Daughter | — | 9 | ~1921 |
| Martha King | Other | — | 31 | ~1899 |
Census Appearances
1930
Cook, Illinois
Daughter, age
Cook, Illinois · implied b. ~1930 — 10 household members
| Surname | King |
| Given Name | Grace H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | New York |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Other, age 11
Cook-County, Illinois · implied b. ~1929 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Gloria Mae |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Highest Grade | H-5 |
| 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 Grace King across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Grace King
Daughter · 1930 · age 0 · b. ~1930 · Illinois
★ You are viewing this record
Sibling
Leroy King
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha King
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice King
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter King
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys King
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Myrtle King
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harrison King
Sibling · 1930 · age 11
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
46 people indexed on this census page (ia:1930:illinoiscensus00reel430:0693)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leo Gradman | 41 | Head | Physician | Canada-English |
| 2 | Bessie Gradman | 43 | Wife-H | — | New York |
| 3 | Marion Gradman | 18 | Daughter | — | Illinois |
| 4 | Albert C. Woodcock | 52 | Head | Proprietor | England |
| 5 | Hattie Woodcock | 51 | Wife-H | — | Illinois |
| 6 | Charles A. Woodcock | 18 | Son | Draftsman | Illinois |
| 7 | Leonard Henale | 25 | Head | Labourer | Illinois |
| 8 | Ethel Henale | 22 | Wife-H | — | Illinois |
| 9 | John Henale | 6 | Son | — | Illinois |
| 10 | George Henale | 4 | Son | — | Illinois |
| 11 | Ruth Henale | 2 | Daughter | — | Illinois |
| 12 | Dolores Henale | 1 | Daughter | — | Illinois |
| 13 | James Kallas | 34 | Head | Proprietor | Greece |
| 14 | Anna Kallas | 23 | Wife-H | — | Greece |
| 15 | Peter Kallas | 6 | Son | — | Illinois |
| 16 | Louis Kallas | 4 | Son | — | Illinois |
| 17 | George Kallas | 3 | Son | — | Illinois |
| 18 | Sam Kallas | 0 | Son | — | Illinois |
| 23 | Walter King | 31 | Head | Operator | Illinois |
| 24 | Martha King | 31 | Wife-H | — | New York |
| 25 | Harrison King | 11 | Son | — | New York |
| 26 | Alice King | 9 | Daughter | — | Illinois |
| 27 | Myrtle G. King | 7 | Daughter | — | Illinois |
| 28 | Leroy King | 6 | Son | — | Illinois |
| 29 | Walter King | 4 | Son | — | New York |
| 30 | Gladys King | 3 | Daughter | — | Illinois |
| 31 | Martha King | 2 | Daughter | — | Illinois |
| 32 | Grace H. King THIS PERSON | 0 | Daughter | — | Illinois |
| 33 | Frank Dziechciowski | 67 | Head-H | Watchman | Poland |
| 34 | Henry Rosenberg | 42 | Head | Proprietor | Illinois |
| 35 | Bessie Rosenberg | 36 | Wife-H | — | Russia |
| 36 | Milton Rosenberg | 11 | Son | — | Illinois |
| 37 | Marjory Rosenberg | 9 | Daughter | — | Illinois |
| 38 | Fannie Kanne | 64 | Mother-in-law | — | Lithuania |
| 39 | Joseph King | 41 | Head-H | Proprietor | Illinois |
| 40 | Carl Johnson | 31 | Head | Baker | Sweden |
| 41 | Sigurd Frid | 22 | Roomer | Carpenter | Sweden |
| 42 | Nels Lindstrom | 22 | Roomer | Pattern Maker | Sweden |
| 43 | Paul Bjorklund | 22 | Roomer | Waiter | Sweden |
| 44 | Erik Akerstrom | 20 | Roomer | Grinder | Sweden |
| 45 | Rudolph Olson | 26 | Roomer | Painter | Sweden |
| 46 | Rune Malmstrom | 27 | Roomer | — | Sweden |
| 47 | Thyra Johnson | 50 | Head-H | Proprietor | Sweden |
| 48 | Ruth Johnson | 18 | Daughter | Machine | Sweden |
| 49 | Merton Matts | 42 | Head-H | Saleslady | Illinois |
| 50 | Merton Matts | 10 | Son | Stock Clerk | 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)