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Mary Mulligan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Mulligan across the 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 13-person household.
Age 4
b. ~1926
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Mulligan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| 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 |
| 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.
13 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ruth Mulligan | Daughter | — | 11 | ~1919 |
| Agnes Mulligan | Daughter | — | 5 | ~1925 |
| William Mulligan | Son | — | 22 | ~1908 |
| Robert Mulligan | Son | — | 10 | ~1920 |
| Howard Mulligan | Son | — | 18 | ~1912 |
| Clista Mulligan | Daughter | — | ~1930 | |
| Peter Mulligan | Son | — | 4 | ~1926 |
| Paul Mulligan | Son | — | 7 | ~1923 |
| Louis Mulligan | Head | — | 50 | ~1880 |
| Mary Mulligan | Daughter | — | 4 | ~1926 |
| May Mulligan | Spouse | — | 40 | ~1890 |
| John Mulligan | Son | — | 15 | ~1915 |
| Catherine Mulligan | Daughter | — | 13 | ~1917 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 4
Baltimore, Maryland · implied b. ~1926 — 13 household members
| Surname | Mulligan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| 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
Daughter, age 15
Baltimore-City-County, Maryland · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Milligan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Mulligan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mulligan
Daughter · 1930 · age 4 · b. ~1926 · Maryland
★ You are viewing this record
Sibling
John Mulligan
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Mulligan
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Mulligan
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mulligan
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mulligan
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clista Mulligan
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Mulligan
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Mulligan
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Mulligan
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mulligan
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:1930:15thcensus862unit:0633)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Maloney | 42 | Head | Brakeman | Maryland |
| 2 | Lillian Maloney | 36 | Wife | — | Maryland |
| 3 | Elmer Maloney | 18 | Son | — | Maryland |
| 4 | Helene Maloney | 12 | Daughter | — | Maryland |
| 5 | Myrtle Brown | 51 | Head | — | W. Virginia |
| 6 | Thelma R. Brown | 25 | Daughter | Operator | Maryland |
| 7 | Minnie L. Brown | 22 | Daughter | Stenographer | Maryland |
| 8 | William Brown | 22 | Son | Clerk | Maryland |
| 9 | Aug Schlinkman | 44 | Brother | Printer | W. Virginia |
| 10 | Hugh E. Craven | 56 | Head | Helper | Maryland |
| 11 | Mary H. Craven | 48 | Wife | — | Maryland |
| 12 | Marie Craven | 21 | Daughter | Stenographer | Maryland |
| 13 | Margaret Craven | 14 | Daughter | — | Maryland |
| 14 | Ruth Craven | 13 | Daughter | — | Maryland |
| 15 | Howard Fogle | 44 | Head | Compositor | Maryland |
| 16 | Florence H. Fogle | 45 | Wife | — | New York |
| 17 | Howard Fogle | 22 | Son | Mechanic | New York |
| 18 | Gladys Fogle | 10 | Daughter | — | New York |
| 19 | Elsie Fogle | 6 | Daughter | — | Maryland |
| 20 | Mada Fogle | 20 | Daughter-in-law | — | Maryland |
| 21 | Ruth Fogle | 20 | Daughter | — | New York |
| 22 | Thomas Harrison | 25 | Son-in-law | Painter | Maryland |
| 23 | Howard Harrison | 2 | Son | — | Maryland |
| 24 | Douglas Fogle | 1 | Son | — | Maryland |
| 25 | Harry W. Rice | 39 | Head | Tender Repairer | Maryland |
| 26 | Helen E. H. Rice | 30 | Wife | — | Maryland |
| 27 | Margaret S. Rice | 13 | Daughter | — | Maryland |
| 28 | Harry Jr. Rice | 11 | Son | — | Maryland |
| 29 | Helen L. Rice | 8 | Daughter | — | Maryland |
| 30 | John Rice | 7 | Son | — | Maryland |
| 31 | Albert Rice | 5 | Son | — | Maryland |
| 32 | Richard Rice | 2 | Son | — | Maryland |
| 33 | Marie Rice | 0 | Daughter | — | Maryland |
| 34 | Luke Murphy | 27 | Head | Driver | Maryland |
| 35 | Mildred H. Murphy | 21 | Wife | — | Maryland |
| 36 | Thomas Murphy | 5 | Son | — | Maryland |
| 37 | Agnes Murphy | 2 | Daughter | — | Maryland |
| 38 | Louis Mulligan | 50 | Head | Agent | Maryland |
| 39 | May H. Mulligan | 40 | Wife | — | Maryland |
| 40 | William Mulligan | 22 | Son | Helper | Maryland |
| 41 | Howard Mulligan | 18 | Son | Checker | Maryland |
| 42 | John Mulligan | 15 | Son | News Paper Boy | Maryland |
| 43 | Catherine Mulligan | 13 | Daughter | — | Maryland |
| 44 | Ruth Mulligan | 11 | Daughter | — | Maryland |
| 45 | Robert Mulligan | 10 | Son | — | Maryland |
| 46 | Paul Mulligan | 7 | Son | — | Maryland |
| 47 | Agnes Mulligan | 5 | Daughter | — | Maryland |
| 48 | Mary Mulligan THIS PERSON | 4 | Daughter | — | Maryland |
| 49 | Peter Mulligan | 4 | Son | — | Maryland |
| 50 | Clista Mulligan | 0 | 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)