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Catherine Mcdonald — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Catherine Mcdonald across the 1920 and 1930 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 8-person household.
Age 10
b. ~1920
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | McDonald |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Est. Birth Year | ~1920 |
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 Catherine | Age | Birth yr |
|---|---|---|---|---|
| Elmer Mcdonald | Son | — | 2 | ~1928 |
| Evelyn Mcdonald | Daughter | — | 12 | ~1918 |
| Elmer Mcdonald | Head | — | 42 | ~1888 |
| Mary Mcdonald | Daughter | — | 14 | ~1916 |
| Isabelle Mcdonald | Daughter | — | 9 | ~1921 |
| Frances Mcdonald | Daughter | — | 7 | ~1923 |
| Mamie Mcdonald | Spouse | — | 42 | ~1888 |
| Catherine Mcdonald | Daughter | — | 10 | ~1920 |
Census Appearances
1920
None, Maryland
Daughter, age
None, Maryland · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 10
Baltimore, Maryland · implied b. ~1920 — 8 household members
| Surname | McDonald |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| 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 Mcdonald across 2 US Census years (1920 and 1930) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Catherine Mcdonald
Daughter · 1930 · age 10 · b. ~1920 · Maryland
★ You are viewing this record
Sibling
Evelyn Mcdonald
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Mcdonald
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mcdonald
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Mcdonald
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabelle Mcdonald
Sibling · 1930 · age 9
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:1023)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Charles T. Jones | 42 | Head | Longshoreman | Maryland |
| 52 | Barbara S. Jones | 41 | Wife | — | Maryland |
| 53 | Charles E. Jones | 13 | Son | — | Maryland |
| 54 | George C. Jones | 11 | Son | — | Maryland |
| 55 | Walter J. Jones | 9 | Son | — | Maryland |
| 56 | Joseph Jones | 6 | Son | — | Maryland |
| 57 | John Jones | 4 | Son | — | Maryland |
| 58 | Francis Jones | 2 | Son | — | Maryland |
| 59 | Frank Rines | 36 | Head | Carpenter | Virginia |
| 60 | Jenny Rines | 37 | Wife | — | Virginia |
| 61 | Alfred Rines | 15 | Son | — | Virginia |
| 62 | Virginia Rines | 13 | Daughter | — | Virginia |
| 63 | Evelyn Rines | 11 | Daughter | — | Virginia |
| 64 | Roy Rines | 9 | Son | — | Virginia |
| 65 | Julia Rines | 7 | Daughter | — | Virginia |
| 66 | Ray Rines | 5 | Son | — | Virginia |
| 67 | Harry Young | 41 | Head | Laborer | Maryland |
| 68 | Cora Young | 32 | Wife | — | Maryland |
| 69 | George Young | 13 | Son | — | Maryland |
| 70 | Harry Young | 11 | Son | — | Maryland |
| 71 | Andrew Young | 9 | Son | — | Maryland |
| 72 | Alice Young | 6 | Daughter | — | Maryland |
| 73 | Kathryn Young | 5 | Daughter | — | Maryland |
| 74 | George F. Kraffelder | 41 | Head | Helper | Maryland |
| 75 | Mamie Kraffelder | 36 | Wife | — | Maryland |
| 76 | John Kraffelder | 17 | Son | Helper | Maryland |
| 77 | Catherine Kraffelder | 14 | Daughter | Button Mkr | Maryland |
| 78 | George Kraffelder | 7 | Son | — | Maryland |
| 79 | Charles Kraffelder | 5 | Son | — | Maryland |
| 80 | George Dontian | 64 | Head | Stable Boss | Maryland |
| 81 | Elizabeth Dontian | 35 | Daughter | — | Maryland |
| 82 | Margaret Dontian | 30 | Daughter | Operator | Maryland |
| 83 | Edward Dontian | 22 | Son | Officer | Maryland |
| 84 | George Dontian | 17 | Son | Examiner | Maryland |
| 85 | Elmer E. Mcdonald | 42 | Head | Packer | Maryland |
| 86 | Mamie Mcdonald | 42 | Wife | — | Maryland |
| 87 | Mary Mcdonald | 14 | Daughter | — | Maryland |
| 88 | Evelyn Mcdonald | 12 | Daughter | — | Maryland |
| 89 | Catherine Mcdonald THIS PERSON | 10 | Daughter | — | Maryland |
| 90 | Isabelle Mcdonald | 9 | Daughter | — | Maryland |
| 91 | Frances Mcdonald | 7 | Daughter | — | Maryland |
| 92 | Elmer Mcdonald | 2 | Son | — | Maryland |
| 93 | Harry Hood | 46 | Head | Laborer | Maryland |
| 94 | Maybelle Hood | 43 | Wife | — | Maryland |
| 95 | Calvin Hood | 21 | Son | Pipe Fitter | Maryland |
| 96 | John Hood | 19 | Son | Pipe Fitter | Maryland |
| 97 | Emma Hood | 16 | Daughter | — | Maryland |
| 98 | Norman Hood | 14 | Son | — | Maryland |
| 99 | Dorothy Hood | 11 | Daughter | — | Maryland |
| 100 | Ruth Hood | 8 | Daughter | — | 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)