JL
John Lunn — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Lunn across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 4-person household.
Age 1
b. ~1929
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Lunn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Maywood Village |
| 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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Lunn | Son | — | 1 | ~1929 |
| Maud Lunn | Spouse | — | 20 | ~1910 |
| Thomas Lunn | Head | — | 25 | ~1905 |
| Frances Lunn | Daughter | — | ~1930 |
Census Appearances
1930
Cook, Illinois
Son, age 1
Cook, Illinois · implied b. ~1929 — 4 household members
| Surname | Lunn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 12
Cook-County, Illinois · implied b. ~1928 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lain |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Income (1939) | 0 |
| Highest Grade | 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 John Lunn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Lunn
Son · 1930 · age 1 · b. ~1929 · Illinois
★ You are viewing this record
Sibling
Frances Lunn
Sibling · 1930 · age
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
49 people indexed on this census page (ia:1930:illinoiscensus00reel507:0637)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William Meyer | 75 | Head | — | Germany |
| 52 | Caroline Meyer | 60 | Wife | — | Germany |
| 53 | Emma Meyer | 30 | Daughter | Maid | Illinois |
| 54 | William Meyer | 36 | Son | Laborer | Illinois |
| 55 | Ernest Meyer | 33 | Son | — | Illinois |
| 56 | Walter Meyer | 27 | Son | Draughtsman | Illinois |
| 57 | Fred Jacobs | 32 | Head | Fireman | Germany |
| 58 | Patricia Jacobs | 26 | Wife | — | Illinois |
| 59 | John Jacobs | 7 | Son | — | Illinois |
| 60 | Louisa Jacobs | 5 | Daughter | — | Illinois |
| 61 | George Jacobs | 4 | Son | — | Illinois |
| 62 | Lillian Jacobs | 1 | Daughter | — | Illinois |
| 63 | Clarence Jacobs | 0 | Son | — | Illinois |
| 64 | Harry Cook | 68 | Head | Tailor | England |
| 65 | Emma Cook | 58 | Wife | — | Germany |
| 66 | Karl Meyers | 35 | Boarder | Inspector | Illinois |
| 67 | Lia Meyers | 30 | Boarder | Typist Clerk | Illinois |
| 68 | Earl Cook | 23 | Son | Laborer | Illinois |
| 69 | Eda Cook | 22 | Daughter-in-law | — | Illinois |
| 70 | Walter Zernicke | 5 | Cousin | — | Germany |
| 71 | John Olson | 50 | Head | — | Sweden |
| 72 | Loraine Olson | 20 | Daughter | Operator | Illinois |
| 73 | Hazel Burns | 21 | Boarder | Stenographer | Arkansas |
| 74 | David Petrege | 42 | Head | Fireman | Pacific |
| 75 | Maud Petrege | 40 | Wife | — | England |
| 76 | Thomas Lunn | 25 | Head | Salesman | Illinois |
| 77 | Maud Lunn | 20 | Wife | — | Indiana |
| 78 | John Lunn THIS PERSON | 1 | Son | — | Illinois |
| 79 | Frances Lunn | 0 | Daughter | — | Illinois |
| 80 | Otto Olson | 49 | Head | Carpenter | Sweden |
| 81 | Josephine Olson | 44 | Wife | — | Sweden |
| 82 | Henry Olson | 11 | Son | — | Illinois |
| 83 | Frank Hock | 57 | Head | Engineer | Michigan |
| 84 | Gertrude Hock | 57 | Wife | Saleswoman | Illinois |
| 85 | Charles Hock | 25 | Son | — | Illinois |
| 86 | Glenn Hock | 18 | Son | — | Illinois |
| 87 | James Riley | 33 | Roomer | Truck Driver | Illinois |
| 88 | Matilda Nacey | 54 | Head | Proprietor | New Jersey |
| 89 | John Lutes | 24 | Son | Chauffeur | Wisconsin |
| 90 | Thelma Lutes | 20 | Daughter-in-law | Stenographer | Missouri |
| 91 | Emma Moore | 58 | Roomer | — | Louisiana |
| 92 | Arthur Moore | 29 | Roomer | Operator | Illinois |
| 93 | Ross King | 32 | Roomer | — | Illinois |
| 94 | Clara King | 36 | Roomer | Laborer | Illinois |
| 95 | Clifford King | 11 | Roomer | — | Illinois |
| 96 | Opal King | 9 | Roomer | — | Illinois |
| 97 | Mildred King | 7 | Roomer | — | Illinois |
| 98 | Robert King | 4 | Roomer | — | Illinois |
| 99 | George King | 1 | Roomer | — | 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)