JL
John Lunn — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Franklin, Ohio
Our Model Tree links this John Lunn across the 1930 and 1940 US Censuses in Franklin, Ohio (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 8-person household.
Age 4
b. ~1926
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Franklin, Ohio |
| Surname | Lunn |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Wales |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read/Write | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Columbus City |
| Est. Birth Year | ~1926 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| James Lunn | Son | — | ~1930 | |
| Rosnelia Lunn | Daughter | — | 5 | ~1925 |
| Enos Lunn | Head | — | 57 | ~1873 |
| Cynthia Lunn | Spouse | — | 34 | ~1896 |
| Thomas Lunn | Son | — | 7 | ~1923 |
| Catherine Lunn | Daughter | — | 3 | ~1927 |
| Arthur Lunn | Son | — | 1 | ~1929 |
| John Lunn | Son | — | 4 | ~1926 |
Census Appearances
1930
Franklin, Ohio
Son, age 4
Franklin, Ohio · implied b. ~1926 — 8 household members
| Surname | Lunn |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Wales |
| Mother's Birthplace | Ohio |
| Can Read/Write | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Franklin-County, Ohio
Son, age 14
Franklin-County, Ohio · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Louni |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| 1935 Residence (County) | Franklin |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 4 · b. ~1926 · Ohio
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Sibling
Catherine Lunn
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosnelia Lunn
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Lunn
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Lunn
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Lunn
Sibling · 1930 · age 1
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 — Franklin, Ohio
Open full size
1930 US Federal Census — Franklin, Ohio
Page Contents
26 people indexed on this census page (ia:1930:ohiocensus00reel1794:0476)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Colmen L. Watson | 69 | Head | Fireman | Ohio |
| 2 | Anna B. Watson | 59 | Wife | — | Ohio |
| 3 | Lucile G. Watson | 20 | Daughter | Saleslady | Ohio |
| 4 | Bertha M. Watson | 17 | Daughter | — | Ohio |
| 5 | Lawrence Underwood | 24 | Head | Installer | Ohio |
| 6 | Viola Underwood | 22 | Wife | Stitcher | Ohio |
| 7 | Richard Johnson | 28 | Head | Assistant Treasurer | Persia |
| 8 | Katherine H. Johnson | 23 | Wife | — | Ohio |
| 9 | Emile Johnson | 3 | Son | — | Ohio |
| 10 | Hope Johnson | 1 | Daughter | — | Ohio |
| 11 | Enos M. Lunn | 57 | Head | Attorney | Wales |
| 12 | Cynthia A. Lunn | 34 | Wife | — | Ohio |
| 13 | Thomas J. Lunn | 7 | Son | — | Ohio |
| 14 | Rosnelia A. Lunn | 5 | Daughter | — | Ohio |
| 15 | John M. Lunn THIS PERSON | 4 | Son | — | Ohio |
| 16 | Catherine B. Lunn | 3 | Daughter | — | Ohio |
| 17 | Arthur H. Lunn | 1 | Son | — | Ohio |
| 18 | James M. Lunn | 0 | Son | — | Ohio |
| 19 | Roy B. Sweet | 37 | Head | Crane Operator | Ohio |
| 20 | Ethel S. Sweet | 32 | Wife | — | Ohio |
| 21 | Robert Sweet | 12 | Son | — | Ohio |
| 22 | William R. Sweet | 10 | Son | — | Ohio |
| 23 | Otto F. Schmidt | 35 | Head | Foreman | Ohio |
| 24 | Alice J. Schmidt | 32 | Wife | — | Ohio |
| 25 | Robert O. Schmidt | 10 | Son | — | Ohio |
| 26 | George H. Schmidt | 9 | Son | — | Ohio |
Related Census Records
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)