MD
Mary Daly — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Daly across the 1920 and 1930 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 9-person household.
Age 14
b. ~1916
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Daly |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| 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 |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1916 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Margaret Daly | Daughter | — | 12 | ~1918 |
| Mary Daly | Daughter | — | 14 | ~1916 |
| John Daly | Head | — | 55 | ~1875 |
| Joseph Daly | Son | — | 22 | ~1908 |
| Thomas Daly | Son | — | 10 | ~1920 |
| James Daly | Son | — | 18 | ~1912 |
| John Daly | Son | — | 24 | ~1906 |
| Edward Daly | Son | — | 16 | ~1914 |
| Catherine Daly | Spouse | — | 52 | ~1878 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 3
Baltimore, Maryland · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Daily |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| 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 14
Baltimore, Maryland · implied b. ~1916 — 9 household members
| Surname | Daly |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| 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 Mary Daly across 2 US Census years (1920 and 1930) in Baltimore, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Daly
Daughter · 1930 · age 14 · b. ~1916 · Maryland
★ You are viewing this record
Sibling
John Daly
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Daly
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Daly
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Daly
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Daly
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Daly
Sibling · 1930 · age 10
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:1930:15thcensus856unit:0331)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Richard H Preston | 55 | Head | President | Kentucky |
| 52 | Lillian Preston | 47 | Wife | — | Maryland |
| 53 | Richard H Jr Preston | 22 | Son | Clerk | Maryland |
| 54 | Lillian Preston | 18 | Daughter | — | Maryland |
| 55 | George Cromwell | 31 | Head | Salesman | New Jersey |
| 56 | Mary Cromwell | 51 | Mother | — | Maryland |
| 57 | John Daly | 42 | Head | Laborer | South Carolina |
| 58 | James Daly | 38 | Brother | Laborer | Maryland |
| 59 | Frank Daly | 34 | Brother | Laborer | Maryland |
| 60 | William Daly | 32 | Brother | Laborer | Maryland |
| 61 | John Daly | 14 | Nephew | — | New Jersey |
| 62 | Thomas Simmons | 21 | Boarder | Laborer | New Jersey |
| 63 | John Koerner | 40 | Head | Laborer | Maryland |
| 64 | Frances Koerner | 38 | Wife | — | France |
| 65 | Margaret Koerner | 18 | Daughter | — | Maryland |
| 66 | Catherine Koerner | 16 | Daughter | — | Maryland |
| 67 | Mary Ann Koerner | 14 | Daughter | — | Maryland |
| 68 | William Koerner | 12 | Son | — | Maryland |
| 69 | Virginia Koerner | 10 | Daughter | — | Maryland |
| 70 | Florence Koerner | 8 | Daughter | — | Maryland |
| 71 | John Koerner | 6 | Son | — | Maryland |
| 72 | Thomas Koerner | 4 | Son | — | Maryland |
| 73 | Joseph Koerner | 2 | Son | — | Maryland |
| 74 | James Watson | 50 | Head | Laborer | Maryland |
| 75 | Mary Watson | 48 | Wife | — | Maryland |
| 76 | James Watson | 25 | Son | Laborer | Maryland |
| 77 | William Watson | 23 | Son | Laborer | Maryland |
| 78 | John Watson | 21 | Son | Laborer | Maryland |
| 79 | Margaret Watson | 18 | Daughter | — | Maryland |
| 80 | Joseph Watson | 15 | Son | — | Maryland |
| 81 | John Daly | 55 | Head | Laborer | Maryland |
| 82 | Catherine Daly | 52 | Wife | — | Maryland |
| 83 | John Daly | 24 | Son | Laborer | Maryland |
| 84 | Joseph Daly | 22 | Son | Laborer | Maryland |
| 85 | James Daly | 18 | Son | Laborer | Maryland |
| 86 | Edward Daly | 16 | Son | — | Maryland |
| 87 | Mary Daly THIS PERSON | 14 | Daughter | — | Maryland |
| 88 | Margaret Daly | 12 | Daughter | — | Maryland |
| 89 | Thomas Daly | 10 | Son | — | Maryland |
| 90 | Dwayne Eathame | 64 | Head | — | New York |
| 91 | Jane Eathame | 31 | Daughter | — | New York |
| 92 | James Herman | 42 | Boarder | — | New York |
| 93 | George Worth | 51 | Boarder | — | New York |
| 94 | Mary White | 53 | Head | — | Maryland |
| 95 | Elizabeth White | 48 | Sister | — | Maryland |
| 96 | Joshua Gwin | 55 | Boarder | — | Alabama |
| 97 | Richard Casey | 40 | Boarder | Laborer | Maryland |
| 98 | Frank A Bennett | 58 | Head | Policeman | Maryland |
| 99 | Emma V Bennett | 52 | Wife | — | Virginia |
| 100 | Margaret Bennett | 24 | Daughter | — | Maryland |
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)