RC
Ruth Cunningham — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Lake, Illinois
Our Model Tree links this Ruth Cunningham across the 1930 and 1940 US Censuses in Lake, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 7-person household.
Age 1
b. ~1929
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Lake, Illinois |
| Surname | Cunningham |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | S. Carolina |
| Mother's Birthplace | S. Carolina |
| Additional Details | |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Waukegan City Part |
| Est. Birth Year | ~1929 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Robert Cunningham | Son | — | 7 | ~1923 |
| Leroy Cunningham | Son | — | 9 | ~1921 |
| William Cunningham | Son | — | 10 | ~1920 |
| Minnie Cunningham | Other | — | 34 | ~1896 |
| Ruth Cunningham | Daughter | — | 1 | ~1929 |
| Minnie Cunningham | Daughter | — | 4 | ~1926 |
| Wm Cunningham | Head | — | 37 | ~1893 |
Census Appearances
1930
Lake, Illinois
Daughter, age 1
Lake, Illinois · implied b. ~1929 — 7 household members
| Surname | Cunningham |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | S. Carolina |
| Mother's Birthplace | S. Carolina |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Lake-County, Illinois
Other, age 12
Lake-County, Illinois · implied b. ~1928 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cunningham |
| Given Name | Rachel |
| Relationship to Head | stepdaughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (County) | Lake |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 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 Ruth Cunningham across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Cunningham
Daughter · 1930 · age 1 · b. ~1929 · Illinois
★ You are viewing this record
Sibling
William Cunningham
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Cunningham
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Cunningham
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Minnie Cunningham
Sibling · 1930 · age 4
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 — Lake, Illinois
Open full size
1930 US Federal Census — Lake, Illinois
Page Contents
26 people indexed on this census page (ia:1930:illinoiscensus00reel530:0507)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Numa George | 49 | Head | Porter | Louisiana |
| 2 | Thavina George | 45 | Wife-H | None | Louisiana |
| 3 | Edward George | 25 | Son | Laborer | Louisiana |
| 4 | Deloras George | 15 | Daughter | None | Louisiana |
| 5 | Kohlman George | 13 | Son | None | Louisiana |
| 6 | Jeanette George | 8 | Daughter | None | Illinois |
| 7 | Rogan J. Kennedy | 41 | Head | Janitor | Arkansas |
| 8 | Minnie Kennedy | 32 | Wife-H | None | Alabama |
| 9 | Beulah M. Kennedy | 21 | Daughter | None | Illinois |
| 10 | Rogan J. Kennedy | 15 | Son | None | Illinois |
| 11 | Edna Lee White | 13 | Daughter | None | Alabama |
| 12 | Emeline White | 12 | Daughter | None | Alabama |
| 13 | Idell White | 6 | Daughter | None | Illinois |
| 14 | Coolidge White | 5 | Son | None | Illinois |
| 15 | Andrew White | 3 | Son | None | Illinois |
| 16 | Wm Cunningham | 37 | Head | Wire Temperer | S. Carolina |
| 17 | Minnie Cunningham | 34 | Wife-H | None | S. Carolina |
| 18 | William J. Cunningham | 10 | Son | None | Illinois |
| 19 | Leroy Cunningham | 9 | Son | None | Illinois |
| 20 | Robert Cunningham | 7 | Son | None | Illinois |
| 21 | Minnie Cunningham | 4 | Daughter | None | Illinois |
| 22 | Ruth Cunningham THIS PERSON | 1 | Daughter | None | Illinois |
| 23 | Joseph Davis | 24 | Head | Laborer | Mississippi |
| 24 | Evelina Davis | 21 | Wife-H | None | Mississippi |
| 25 | Eli Davis | 3 | Son | None | Mississippi |
| 26 | Joseph Davis | 1 | Son | None | Mississippi |
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)