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Catherine Kelly — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Catherine Kelly across the 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 9-person household.
Age 8
b. ~1922
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Kelly |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1922 |
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 Catherine | Age | Birth yr |
|---|---|---|---|---|
| Catherine Kelly | Daughter | — | 8 | ~1922 |
| Mary Kelly | Daughter | — | 14 | ~1916 |
| William Kelly | Head | — | 45 | ~1885 |
| John Kelly | Son | — | 16 | ~1914 |
| William Kelly | Son | — | 18 | ~1912 |
| Joseph Kelly | Son | — | 10 | ~1920 |
| Edward Kelly | Son | — | 12 | ~1918 |
| George Kelly | Son | — | 6 | ~1924 |
| Mary Kelly | Spouse | — | 43 | ~1887 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 8
Baltimore, Maryland · implied b. ~1922 — 9 household members
| Surname | Kelly |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Other, age 17
Baltimore-City-County, Maryland · implied b. ~1923 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Cecelia |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | H 4 |
| 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 Catherine Kelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Catherine Kelly
Daughter · 1930 · age 8 · b. ~1922 · Maryland
★ You are viewing this record
Sibling
William Kelly
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Kelly
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Kelly
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Kelly
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Kelly
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Kelly
Sibling · 1930 · age 16
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:1930:15thcensus852unit:0388)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William Rockstroh | 58 | Head | Machinist | Maryland |
| 52 | Mary Rockstroh | 58 | Wife | — | Maryland |
| 53 | William Rockstroh | 33 | Son | Machinist | Maryland |
| 54 | John Rockstroh | 28 | Son | — | Maryland |
| 55 | George Rockstroh | 26 | Son | — | Maryland |
| 56 | Joseph Rockstroh | 24 | Son | — | Maryland |
| 57 | Mary Rockstroh | 22 | Daughter | — | Maryland |
| 58 | Elizabeth Rockstroh | 20 | Daughter | — | Maryland |
| 59 | John Briel | 30 | Head | Clerk | Maryland |
| 60 | Margaret Briel | 25 | Wife | — | Maryland |
| 61 | John Briel | 4 | Son | — | Maryland |
| 62 | William Briel | 2 | Son | — | Maryland |
| 63 | Mary Briel | 1 | Daughter | — | Maryland |
| 64 | Margaret Briel | 0 | Daughter | — | Maryland |
| 65 | John Briel | 55 | Head | Laborer | Maryland |
| 66 | Mary Briel | 53 | Wife | — | Maryland |
| 67 | John Briel | 28 | Son | Laborer | Maryland |
| 68 | George Briel | 26 | Son | Laborer | Maryland |
| 69 | William Briel | 24 | Son | Laborer | Maryland |
| 70 | Edward Briel | 22 | Son | Laborer | Maryland |
| 71 | Catherine Briel | 20 | Daughter | Saleslady | Maryland |
| 72 | William Briel | 18 | Son | — | Maryland |
| 73 | Mary Briel | 16 | Daughter | — | Maryland |
| 74 | Joseph Briel | 14 | Son | — | Maryland |
| 75 | Samuel H Duvall | 53 | Head | — | Maryland |
| 76 | Mary Duvall | 52 | Wife | — | Maryland |
| 77 | Samuel Duvall | 28 | Son | — | Maryland |
| 78 | William Duvall | 26 | Son | — | Maryland |
| 79 | George Duvall | 24 | Son | — | Maryland |
| 80 | Edward Duvall | 22 | Son | — | Maryland |
| 81 | John Duvall | 20 | Son | — | Maryland |
| 82 | Mary Duvall | 18 | Daughter | — | Maryland |
| 83 | Catherine Duvall | 16 | Daughter | — | Maryland |
| 84 | Joseph Duvall | 14 | Son | — | Maryland |
| 85 | Margaret Duvall | 12 | Daughter | — | Maryland |
| 86 | Elizabeth Duvall | 10 | Daughter | — | Maryland |
| 87 | Thomas Duvall | 8 | Son | — | Maryland |
| 88 | James Duvall | 6 | Son | — | Maryland |
| 89 | Charles Duvall | 4 | Son | — | Maryland |
| 90 | Francis Duvall | 2 | Son | — | Maryland |
| 91 | Robert Duvall | 0 | Son | — | Maryland |
| 92 | William Kelly | 45 | Head | Laborer | Maryland |
| 93 | Mary Kelly | 43 | Wife | — | Maryland |
| 94 | William Kelly | 18 | Son | — | Maryland |
| 95 | John Kelly | 16 | Son | — | Maryland |
| 96 | Mary Kelly | 14 | Daughter | — | Maryland |
| 97 | Edward Kelly | 12 | Son | — | Maryland |
| 98 | Joseph Kelly | 10 | Son | — | Maryland |
| 99 | Catherine Kelly THIS PERSON | 8 | Daughter | — | Maryland |
| 100 | George Kelly | 6 | Son | — | Maryland |
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)