JC
John Christian — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Lake, Illinois
Our Model Tree links this John Christian across the 1930 and 1940 US Censuses in Lake, Illinois (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 10-person household.
Age 6
b. ~1924
Male
Son
Born: Georgia
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Lake, Illinois |
| Surname | Christian |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Additional Details | |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Township / Ward | Waukegan City Part Of |
| Est. Birth Year | ~1924 |
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 |
|---|---|---|---|---|
| Frances Christian | Daughter | — | 14 | ~1916 |
| Robert Christian | Son | — | 18 | ~1912 |
| Herbert Christian | Son | — | 12 | ~1918 |
| Carrie Christian | Other | — | 47 | ~1883 |
| Lawrence Christian | Son | — | 4 | ~1926 |
| John Christian | Son | — | 6 | ~1924 |
| Clyde Christian | Son | — | 9 | ~1921 |
| Herbert Christian | Head | — | 46 | ~1884 |
| Mazie Christian | Daughter | — | 15 | ~1915 |
| Elizabeth Christian | Daughter | — | 17 | ~1913 |
Census Appearances
1930
Lake, Illinois
Son, age 6
Lake, Illinois · implied b. ~1924 — 10 household members
| Surname | Christian |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Lake-County, Illinois
Son, age 17
Lake-County, Illinois · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Christiansen |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Waukegan City |
| 1935 Residence (County) | Lake |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 Christian across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Christian
Son · 1930 · age 6 · b. ~1924 · Illinois
★ You are viewing this record
Sibling
Mazie Christian
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Christian
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Christian
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Christian
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Christian
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clyde Christian
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Christian
Sibling · 1930 · age 17
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
50 people indexed on this census page (ia:1930:illinoiscensus00reel529:0769)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mckenzie Brooks | 6 | Son | — | Arkansas |
| 52 | James W. Brooks | 51 | Head | Laborer | Arkansas |
| 53 | Charlie Brooks | 34 | Wife-H | Housework | Illinois |
| 54 | Margaret Brooks | 15 | Daughter | — | Illinois |
| 55 | Donald Christian | 55 | Head | Laborer | Georgia |
| 56 | Ophelia Christian | 50 | Wife-H | — | Georgia |
| 57 | Roy Christian | 22 | Son | Laborer | Georgia |
| 58 | Gladys Christian | 18 | Daughter | — | Georgia |
| 59 | Dorsey Christian | 15 | Son | — | Georgia |
| 60 | Jimmie Lou Christian | 12 | Daughter | — | Georgia |
| 61 | Alberta Christian | 9 | Daughter | — | Georgia |
| 62 | Gwendolyn Christian | 1 | Daughter | — | Wisconsin |
| 63 | Halele Colbert | 37 | Head | Laborer | Georgia |
| 64 | Bessie Colbert | 34 | Wife-H | — | Georgia |
| 65 | Howard Colbert | 14 | Son | Newsboy | Georgia |
| 66 | Jawing Colbert | 12 | Son | Newsboy | Georgia |
| 67 | Sarah Colbert | 10 | Daughter | — | Georgia |
| 68 | Jean Colbert | 9 | Daughter | — | Georgia |
| 69 | Frederica Colbert | 6 | Daughter | — | Illinois |
| 70 | Bettie Colbert | 3 | Daughter | — | Illinois |
| 71 | Robert Jones | 40 | Bro-in-law | Laborer | Georgia |
| 72 | William Lee | 60 | Lodger | Laborer | Illinois |
| 73 | Jesse Anderson | 46 | Head | Laborer | Alabama |
| 74 | Agara Anderson | 36 | Wife-H | — | Alabama |
| 75 | Nancy L. Anderson | 16 | Daughter | — | Alabama |
| 76 | Robbie Anderson | 6 | Daughter | — | Illinois |
| 77 | Sadie M. Anderson | 4 | Daughter | — | Illinois |
| 78 | Theodore Anderson | 1 | Son | — | Illinois |
| 79 | Josephine Anderson | 0 | Daughter | — | Illinois |
| 80 | William E. Gilbert | 42 | Head | Proprietor | Georgia |
| 81 | Bert Gilbert | 14 | Son | — | Arkansas |
| 82 | Ray Gilbert | 9 | Daughter | — | Arkansas |
| 83 | William E. Jr. Gilbert | 7 | Son | — | Arkansas |
| 84 | Bliss Gilbert | 5 | Son | — | Illinois |
| 85 | Annette Gilbert | 4 | Daughter | — | Illinois |
| 86 | Henry Cole | 46 | Head | Machine Operator | Arkansas |
| 87 | Ionella Cole | 46 | Wife-H | — | Arkansas |
| 88 | Cornelius Cole | 23 | Son | Porter | Arkansas |
| 89 | William Temple | 58 | Head | Machine Operator | Louisiana |
| 90 | Herbert B. Christian | 46 | Head | Laborer | Georgia |
| 91 | Carrie Christian | 47 | Wife-H | — | Tennessee |
| 92 | Robert Christian | 18 | Son | — | Georgia |
| 93 | Elizabeth Christian | 17 | Daughter | Domestic | Georgia |
| 94 | Mazie Christian | 15 | Daughter | — | Georgia |
| 95 | Frances Christian | 14 | Daughter | — | Georgia |
| 96 | Herbert B. Jr. Christian | 12 | Son | — | Georgia |
| 97 | Clyde Christian | 9 | Son | — | Georgia |
| 98 | John Christian THIS PERSON | 6 | Son | — | Georgia |
| 99 | Lawrence Christian | 4 | Son | — | Georgia |
| 100 | John Dorsey | 29 | Head | Asst. Cook | Georgia |
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)