MH
Mary Herman — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Herman across the 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 7-person household.
Age 8
b. ~1922
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Herman |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Age at First Marriage | 8 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Occupation | none |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City Of |
| 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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| James Herman | Son | — | 4 | ~1926 |
| Mary Herman | Daughter | — | 8 | ~1922 |
| Owen Herman | Head | — | 32 | ~1898 |
| Helen Herman | Other | — | 33 | ~1897 |
| John Herman | Son | — | 7 | ~1923 |
| Irene Herman | Daughter | — | 1 | ~1929 |
| Patrick Herman | Son | — | 5 | ~1925 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 8
Suffolk, Massachusetts · implied b. ~1922 — 7 household members
| Surname | Herman |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Age at First Marriage | 8 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 18
Suffolk-County, Massachusetts · implied b. ~1922 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harman |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Herman across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Herman
Daughter · 1930 · age 8 · b. ~1922 · Massachusetts
★ You are viewing this record
Sibling
John Herman
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Herman
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Herman
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Herman
Sibling · 1930 · age 5
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 — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel946:0559)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John King | 5 | son | None | Massachusetts |
| 52 | Rita King | 4 | daughter | None | Massachusetts |
| 53 | Patrick King | 2 | son | None | Massachusetts |
| 54 | Timothy King | 0 | son | None | Massachusetts |
| 55 | John Crimmin | 36 | head | Painter | Irish Free State |
| 56 | Nora Crimmin | 37 | wife-H | None | Irish Free State |
| 57 | John J. Crimmin | 14 | son | None | Massachusetts |
| 58 | Patrick Crimmin | 11 | son | None | Massachusetts |
| 59 | Josephine Crimmin | 9 | daughter | None | Massachusetts |
| 60 | Helen Crimmin | 7 | daughter | None | Massachusetts |
| 61 | Theresa Crimmin | 5 | daughter | None | Massachusetts |
| 62 | Timothy Crimmin | 1 | son | None | Massachusetts |
| 63 | Daniel Crimmin | 0 | son | None | Massachusetts |
| 64 | John Mcdonough | 57 | head | Laborer | Irish Free State |
| 65 | Sarah Mcdonough | 55 | wife-H | None | Irish Free State |
| 66 | Mary Mcdonough | 22 | daughter | Inspector | Massachusetts |
| 67 | Mary Mcdonough | 18 | daughter | Teacher | Massachusetts |
| 68 | Catherine Green | 42 | head | None | Massachusetts |
| 69 | Rosella Green | 40 | sister-H | Forelady | Massachusetts |
| 70 | Owen J. Herman | 32 | head | Fireman | Irish Free State |
| 71 | Helen Herman | 33 | wife-H | None | Irish Free State |
| 72 | Mary Herman THIS PERSON | 8 | daughter | None | Massachusetts |
| 73 | John Herman | 7 | son | None | Massachusetts |
| 74 | Patrick J. Herman | 5 | son | None | Massachusetts |
| 75 | James J. Herman | 4 | son | None | Massachusetts |
| 76 | Irene J. Herman | 1 | daughter | None | Massachusetts |
| 77 | Charles Fitzgerald | 46 | head | Stationary Fireman | Massachusetts |
| 78 | Elizabeth Fitzgerald | 35 | wife-H | None | Massachusetts |
| 79 | Elizabeth Fitzgerald | 15 | daughter | None | Massachusetts |
| 80 | Adelaide Fitzgerald | 12 | daughter | None | Massachusetts |
| 81 | Charles Fitzgerald | 10 | son | None | Massachusetts |
| 82 | Ethel Fitzgerald | 6 | daughter | None | Massachusetts |
| 83 | George E. Oliver | 57 | head | Manager | Massachusetts |
| 84 | George H. Oliver | 25 | son | Machinist | Massachusetts |
| 85 | Allen J. Mcdonald | 74 | head | Agent | Canada-English |
| 86 | Lucia Mcdonald | 73 | wife-H | None | Canada-French |
| 87 | Theresa Kelley | 74 | boarder | Accountant | Canada-English |
| 88 | William O'Neil | 55 | head | Manager | Irish Free State |
| 89 | Margaret O'Neil | 57 | wife-H | None | Irish Free State |
| 90 | James O'Neil | 20 | son | Machinist | Massachusetts |
| 91 | Mary O'Neil | 19 | daughter | Machine Operator | Massachusetts |
| 92 | Carrie De Meyer | 45 | head | Salesman | Massachusetts |
| 93 | Madeline De Meyer | 18 | daughter | Stitcher | Massachusetts |
| 94 | Doris De Meyer | 16 | daughter | None | Massachusetts |
| 95 | Lena Holman | 77 | mother-H | None | Germany |
| 96 | John J. Graham | 67 | head | Laborer | Massachusetts |
| 97 | Bridget Graham | 60 | mother-H | None | Irish Free State |
| 98 | James Graham | 25 | son | Laborer | Massachusetts |
| 99 | Mary Graham | 22 | daughter | Machine Operator | Massachusetts |
| 100 | John Graham | 16 | son | None | Massachusetts |
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)