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Mary Mcnamara — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Mcnamara across the 1920 and 1930 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 11-person household.
Age 47
b. ~1883
Female
Spouse
Born: Massachusetts
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | McNamara |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 23 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Clerk |
| Industry | Printing Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Boston City |
| Est. Birth Year | ~1883 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Mcnamara | Daughter | — | 5 | ~1925 |
| Dorothy Mcnamara | Daughter | — | 12 | ~1918 |
| Cecelia Mcnamara | Daughter | — | 23 | ~1907 |
| Alice Mcnamara | Daughter | — | 18 | ~1912 |
| Theresa Mcnamara | Daughter | — | 3 | ~1927 |
| Margaret Mcnamara | Daughter | — | 8 | ~1922 |
| Mary Mcnamara | Daughter | — | 21 | ~1909 |
| Richard Mcnamara | Head | — | 50 | ~1880 |
| Richard Mcnamara | Son | — | 10 | ~1920 |
| Francis Mcnamara | Son | — | 1 | ~1929 |
| Mary Mcnamara | Spouse | — | 47 | ~1883 |
Census Appearances
1920
Suffolk, Massachusetts
Spouse, age 37
Suffolk, Massachusetts · implied b. ~1883 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Spouse, age 47
Suffolk, Massachusetts · implied b. ~1883 — 11 household members
| Surname | McNamara |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 23 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Clerk |
| Industry | Printing Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Mcnamara across 2 US Census years (1920 and 1930) in Suffolk, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Mary Mcnamara
Spouse · 1930 · age 47 · b. ~1883 · Massachusetts
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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
49 people indexed on this census page (ia:1930:massachusettscensus00reel959:0413)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mabel M | 41 | Wife | — | Massachusetts |
| 3 | Joseph H Hunneman | 51 | Head | Salesman | Massachusetts |
| 4 | Elizabeth Hunneman | 21 | Daughter | — | Massachusetts |
| 5 | Eleanor Hunneman | 18 | Daughter | — | Massachusetts |
| 6 | Dexter Hunneman | 14 | Son | — | Massachusetts |
| 7 | Alice Hunneman | 12 | Daughter | — | Massachusetts |
| 8 | Dennis J Murphy | 52 | Head | — | New Brunswick |
| 9 | Isabella C Murphy | 51 | Wife | — | Massachusetts |
| 10 | Margaret M Murphy | 51 | Head | Proprietor | Massachusetts |
| 11 | Margaret M Murphy | 27 | Daughter | Proofreader | Massachusetts |
| 12 | Edward H Murphy | 24 | Son | — | Massachusetts |
| 13 | Frank M Lally | 57 | Head | — | Massachusetts |
| 14 | Mary H Lally | 54 | Wife | Traffic Manager | Massachusetts |
| 15 | Frank M Jr Lally | 25 | Son | — | Massachusetts |
| 16 | Edward J Lally | 23 | Son | — | Massachusetts |
| 17 | George S Foster | 65 | Head | — | Massachusetts |
| 18 | Gertrude H Foster | 62 | Wife | — | Massachusetts |
| 19 | Gertrude H Foster | 31 | Daughter | Ticket Agent | Massachusetts |
| 20 | Richard J Mcnamara | 50 | Head | — | Massachusetts |
| 21 | Mary E Mcnamara THIS PERSON | 47 | Wife | Clerk | Massachusetts |
| 22 | Cecelia A Mcnamara | 23 | Daughter | — | Massachusetts |
| 23 | Mary E Mcnamara | 21 | Daughter | Clerk | Massachusetts |
| 24 | Alice J Mcnamara | 18 | Daughter | Clerk | Massachusetts |
| 25 | Dorothy Mcnamara | 12 | Daughter | — | Massachusetts |
| 26 | Richard J Jr Mcnamara | 10 | Son | — | Massachusetts |
| 27 | Margaret M Mcnamara | 8 | Daughter | — | Massachusetts |
| 28 | Helen Mcnamara | 5 | Daughter | — | Massachusetts |
| 29 | Theresa Mcnamara | 3 | Daughter | — | Massachusetts |
| 30 | Francis Mcnamara | 1 | Son | — | Massachusetts |
| 31 | Michael M Mcnamara | 54 | Head | Laborer | Irish Free State |
| 32 | Margaret M Mcnamara | 51 | Wife | — | Irish Free State |
| 33 | Mary E Mcnamara | 25 | Daughter | — | Massachusetts |
| 34 | Margaret M Mcnamara | 23 | Daughter | Stenographer | Massachusetts |
| 35 | Michael J Mcnamara | 22 | Son | — | Massachusetts |
| 36 | Alice F Mcnamara | 21 | Daughter | — | Massachusetts |
| 37 | Helen J Mcnamara | 17 | Daughter | — | Massachusetts |
| 38 | John J Mcnamara | 15 | Son | — | Massachusetts |
| 39 | Francis Mcnamara | 11 | Son | — | Massachusetts |
| 40 | Theresa Mcnamara | 8 | Daughter | — | Massachusetts |
| 41 | Joseph Mcnamara | 5 | Son | — | Massachusetts |
| 42 | Catherine Mcnamara | 3 | Daughter | — | Massachusetts |
| 43 | Rita Mcnamara | 1 | Daughter | — | Massachusetts |
| 44 | Mary A Mcnamara | 55 | Head | — | Massachusetts |
| 45 | Mary E Mcnamara | 27 | Daughter | Clerk | Massachusetts |
| 46 | Helen Mcnamara | 24 | Daughter | Stenographer | Massachusetts |
| 47 | Alice Mcnamara | 17 | Daughter | — | Massachusetts |
| 48 | John Mcnamara | 11 | Son | — | Massachusetts |
| 49 | Francis Mcnamara | 8 | Son | — | Massachusetts |
| 50 | Theresa Mcnamara | 5 | Daughter | — | 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)