ML
Mary Larkin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Larkin across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1882), then head of a 8-person household.
Age 48
b. ~1882
Female
Spouse
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Larkin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 18 |
| 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 | ~1882 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Larkin | Daughter | — | 12 | ~1918 |
| Bernadine Larkin | Daughter | — | 10 | ~1920 |
| John Larkin | Head | — | 51 | ~1879 |
| Luke Larkin | Son | — | 21 | ~1909 |
| Robert Larkin | Son | — | 18 | ~1912 |
| John Larkin | Son | — | 22 | ~1908 |
| James Larkin | Son | — | 15 | ~1915 |
| Mary Larkin | Spouse | — | 48 | ~1882 |
Census Appearances
1920
Baltimore, Maryland
Spouse, age 37
Baltimore, Maryland · implied b. ~1883 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larkin |
| Given Name | Mary S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Cook |
| Industry | Private Family |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Spouse, age 48
Baltimore, Maryland · implied b. ~1882 — 8 household members
| Surname | Larkin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 18 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Other, age 58
Baltimore-City-County, Maryland · implied b. ~1882 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larkin |
| Given Name | Margaret |
| Relationship to Head | Mother-in-law |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 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 Mary Larkin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Larkin
Spouse · 1930 · age 48 · b. ~1882 · Maryland
★ You are viewing this record
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:1930:15thcensus861unit:0357)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Larkin | 56 | Head | Salesman | Maryland |
| 52 | Elizabeth Larkin | 53 | Wife | — | Maryland |
| 53 | John F Larkin | 10 | Son | — | Maryland |
| 54 | Robert Boyd | 43 | Head | Tester | Maryland |
| 55 | Mary Boyd | 44 | Wife | — | Maryland |
| 56 | Robert C Campbell | 47 | Head | Clerk | Virginia |
| 57 | Annie M Campbell | 48 | Wife | — | Virginia |
| 58 | Robert Campbell | 17 | Son | Messenger | Virginia |
| 59 | Mildred Campbell | 15 | Daughter | — | Maryland |
| 60 | William J Campbell | 12 | Son | — | Maryland |
| 61 | John Hess | 76 | Head | — | Maryland |
| 62 | Margaret Hess | 41 | Daughter | Dressmaker | Maryland |
| 63 | Elizabeth Hess | 40 | Daughter | Dressmaker | Maryland |
| 64 | John Hess | 38 | Son | — | Maryland |
| 65 | John Larkin | 51 | Head | Salesman | Maryland |
| 66 | Mary Larkin THIS PERSON | 48 | Wife | — | Maryland |
| 67 | John Larkin | 22 | Son | — | Maryland |
| 68 | Luke Larkin | 21 | Son | Clerk | Maryland |
| 69 | Robert Larkin | 18 | Son | — | Maryland |
| 70 | James Larkin | 15 | Son | — | Maryland |
| 71 | Dorothy Larkin | 12 | Daughter | — | Maryland |
| 72 | Bernadine Larkin | 10 | Daughter | — | Maryland |
| 73 | William Larkin | 61 | Head | Manager | Wisconsin |
| 74 | Emma Larkin | 59 | Wife | — | Maryland |
| 75 | William Larkin | 32 | Son | Clerk | Maryland |
| 76 | Emma Larkin | 22 | Daughter | Stenographer | Maryland |
| 77 | Helen Larkin | 14 | Daughter | — | Maryland |
| 78 | Charles Larkin | 8 | Son | — | Maryland |
| 79 | Julia Snyder | 54 | Head | — | Maryland |
| 80 | Nellie Snyder | 57 | Sister | Secretary | Maryland |
| 81 | Emma Snyder | 51 | Sister | Dressmaker | Maryland |
| 82 | John Snyder | 56 | Head | — | Maryland |
| 83 | Mary Snyder | 54 | Wife | — | Maryland |
| 84 | John Snyder | 22 | Son | — | Maryland |
| 85 | Robert Brown | 45 | Head | Salesman | Scotland |
| 86 | Mary Brown | 41 | Wife | — | Maryland |
| 87 | Robert Brown | 18 | Son | Stock Clerk | Maryland |
| 88 | James Brown | 14 | Son | — | Maryland |
| 89 | Mary Brown | 12 | Daughter | — | Maryland |
| 90 | William Brown | 10 | Son | — | Maryland |
| 91 | Elizabeth Brown | 8 | Daughter | — | Maryland |
| 92 | William Armacost | 32 | Head | Machinist | Maryland |
| 93 | Elizabeth Armacost | 31 | Wife | — | Maryland |
| 94 | William Armacost | 13 | Son | — | Maryland |
| 95 | John Armacost | 12 | Son | — | Maryland |
| 96 | Robert Armacost | 10 | Son | — | Maryland |
| 97 | James Armacost | 7 | Son | — | Maryland |
| 98 | Richard Armacost | 5 | Son | — | Maryland |
| 99 | Thomas Armacost | 2 | Son | — | Maryland |
| 100 | Mary Armacost | 1 | 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)