JC
John Cline — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this John Cline across the 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a son (b.~1900), then head of a 9-person household.
Age 30
b. ~1900
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Cline |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Maryland |
| Age at First Marriage | 30 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Acetylene Burner |
| Industry | Ship Yard |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Acetylene Burner |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1900 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Betty Cline | Other | — | ~1930 | |
| Leon Cline | Daughter | — | 19 | ~1911 |
| James Cline | Son | — | 27 | ~1903 |
| Clara Cline | Head | — | 47 | ~1883 |
| Lenora Cline | Daughter | — | 16 | ~1914 |
| John Cline | Son | — | 30 | ~1900 |
| Lorraine Cline | Daughter | — | 13 | ~1917 |
| Edward Cline | Son | — | 17 | ~1913 |
| Frank Cline | Son | — | 23 | ~1907 |
Census Appearances
1930
Baltimore, Maryland
Son, age 30
Baltimore, Maryland · implied b. ~1900 — 9 household members
| Surname | Cline |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Maryland |
| Age at First Marriage | 30 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Acetylene Burner |
| Industry | Ship Yard |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 41
Baltimore-City-County, Maryland · implied b. ~1899
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Kline |
| Given Name | John E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Mechanic |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Cline across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Cline
Son · 1930 · age 30 · b. ~1900 · Maryland
★ You are viewing this record
Sibling
Lorraine Cline
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Cline
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Cline
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leon Cline
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lenora Cline
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Cline
Sibling · 1930 · age 27
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 — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus866unit:1100)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Melvin Raley | 8 | Head | None | Maryland |
| 2 | Harry Wright | 32 | Head | Recorder | Maryland |
| 3 | Mildred Wright | 22 | Wife | None | Maryland |
| 4 | Catherine M. Wright | 2 | Daughter | None | Maryland |
| 5 | Francis Wright | 1 | Son | None | Maryland |
| 6 | Henry Selzer | 42 | Head | Painter | Maryland |
| 7 | Agnes Selzer | 33 | Wife | None | Maryland |
| 8 | Moreland Charles Selzer | 22 | Boarder | Proprietor | Maryland |
| 9 | Lavina Selzer | 20 | Boarder | None | Ohio |
| 10 | Harry J. Jackson | 64 | Head | Truck Man | Pennsylvania |
| 11 | Jennie Jackson | 55 | Wife | None | Pennsylvania |
| 12 | Elton Jackson | 34 | Son | Proprietor | Pennsylvania |
| 13 | Verist Jackson | 29 | Son | Truck Man | Pennsylvania |
| 14 | Loretta Jackson | 27 | Daughter-in-law | None | Maryland |
| 15 | Mark Jackson | 17 | Grandson | None | Pennsylvania |
| 16 | Robert Jackson | 3 | Grandson | None | Maryland |
| 17 | Eton Jackson | 1 | Grandson | None | Maryland |
| 18 | Clara Cline | 47 | Head | None | Maryland |
| 19 | John Cline THIS PERSON | 30 | Son | Acetylene Burner | Maryland |
| 20 | James Cline | 27 | Son | Acetylene Burner | Maryland |
| 21 | Frank Cline | 23 | Son | Carpenter | Maryland |
| 22 | Edward Cline | 17 | Son | Laborer | Maryland |
| 23 | Lorraine Cline | 13 | Daughter | None | Maryland |
| 24 | Lenora Cline | 16 | Daughter | None | Maryland |
| 25 | Leon Selma Cline | 19 | Daughter | None | Maryland |
| 26 | Betty J. Cline | 0 | Granddaughter | None | Maryland |
| 27 | — | None | — | — | — |
| 28 | Harry F. Weidner | 32 | Head | Rock Runner | Maryland |
| 29 | Bertha E. Weidner | 30 | Wife | None | Maryland |
| 30 | Bernice L. Weidner | 6 | Daughter | None | Maryland |
| 31 | Joseph Weidner | 63 | Father | Carpenter | Maryland |
| 32 | Minnie Weidner | 60 | Mother | None | Maryland |
| 33 | John F. Hoyle | 34 | Head | Laborer | Maryland |
| 34 | Mamie F. Hoyle | 29 | Wife | None | Maryland |
| 35 | Thomas L. Hoyle | 10 | Son | None | Maryland |
| 36 | Dorothy A. Hoyle | 7 | Daughter | None | Maryland |
| 37 | Eugene C. Hoyle | 6 | Son | None | Maryland |
| 38 | Dorothy Casper | 33 | Roomer | Nurse | Maryland |
| 39 | Isabel O'Donnell | 52 | Roomer | Interior Decorator | Maryland |
| 40 | Edward W. Leary | 39 | Head | Mill Hand | Maryland |
| 41 | Myrtle L. Leary | 37 | Wife | None | Maryland |
| 42 | Willard E. Leary | 16 | Son | None | Maryland |
| 43 | Robert L. Leary | 12 | Son | None | Maryland |
| 44 | Joseph R. Leary | 8 | Son | None | Maryland |
| 45 | Liberto Catharine Leary | 28 | Niece | Machinist | Maryland |
| 46 | Grover Hardison | 22 | Roomer | Machinist | North Carolina |
| 47 | Henry Bory | 40 | Head | Plumber | Maryland |
| 48 | Mary A. Bory | 32 | Wife | None | Maryland |
| 49 | Henry G. Bory | 11 | Son | None | Maryland |
| 50 | — | None | — | — | — |
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)