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Mary Mcnulty — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Mcnulty across the 1900, 1910 and 1920 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1854), then head of a 2-person household.
Age 66
b. ~1854
Female
Head
Born: Ireland
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Suffolk, Massachusetts |
| Surname | McNulty |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1888 |
| Birthplace (normalized) | ireland |
| Township / Ward | Boston |
| Est. Birth Year | ~1854 |
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.
2 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcnulty | Head | — | 66 | ~1854 |
| John Mcnulty | Son | — | 35 | ~1885 |
Census Appearances
1900
Suffolk, Massachusetts
Head, age 51
Suffolk, Massachusetts · implied b. ~1849 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNulty |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Birth Month | May |
| Birth Year | 1849 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Suffolk, Massachusetts
Spouse, age 58
Suffolk, Massachusetts · implied b. ~1852 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNulty |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 41 |
| Children Born | 6 |
| Children Living | 6 |
| Year of Immigration | 1867 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Suffolk, Massachusetts
Head, age 66
Suffolk, Massachusetts · implied b. ~1854 — 2 household members
| Surname | McNulty |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1888 |
| Birthplace (normalized) | ireland |
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 Mcnulty across 3 US Census years (1900, 1910 and 1920) in Suffolk, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Mary Mcnulty
Head · 1920 · age 66 · b. ~1854 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Suffolk, Massachusetts
Open full size
1920 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu735unit:0151)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Gladys Dowd | 8 | Daughter | — | Massachusetts |
| 52 | Margaret Roddy | 54 | Head | — | Ireland |
| 53 | John Roddy | 17 | Son | Packer | Massachusetts |
| 54 | Arthur Roddy | 12 | Son | — | Massachusetts |
| 55 | Mary Mcnulty THIS PERSON | 66 | Head | — | Ireland |
| 56 | John Mcnulty | 35 | Son | Teamster | Massachusetts |
| 57 | Sullivan Thomas | 46 | Head | Janitor | Ireland |
| 58 | Julia Bumphrey | 50 | Head | Waitress | Ireland |
| 59 | James Bumphrey | 25 | Son | Police Officer | Canada |
| 60 | Gordon Bumphrey | 23 | Son | Chauffeur | Canada |
| 61 | Joseph Bumphrey | 21 | Son | Conductor | Massachusetts |
| 62 | Margaret Bumphrey | 37 | Daughter | — | Canada |
| 63 | Bridget Bumphrey | 18 | Daughter | Packer | Massachusetts |
| 64 | Julia Bumphrey | 17 | Daughter | Packer | Massachusetts |
| 65 | Mary Bumphrey | 14 | Daughter | — | Massachusetts |
| 66 | Ellen Quarters | 65 | Head | — | Ireland |
| 67 | Thomas Quarters | 27 | Son | Sorter | Massachusetts |
| 68 | Cornelius Quarters | 20 | Son | Check Clerk | Massachusetts |
| 69 | John Nolan | 55 | Head | Teamster | Ireland |
| 70 | Mary Nolan | 58 | Wife | — | Ireland |
| 71 | John Nolan | 27 | Son | Laborer | Massachusetts |
| 72 | Peter J Smith | 40 | Head | Teamster | Rhode Island |
| 73 | Margaret Smith | 40 | Wife | — | Massachusetts |
| 74 | Margaret Smith | 13 | Daughter | — | Massachusetts |
| 75 | Mary Smith | 8 | Daughter | — | Massachusetts |
| 76 | Catherine Smith | 6 | Daughter | — | Massachusetts |
| 77 | Dora Smith | 2 | Daughter | — | Massachusetts |
| 78 | William Smith | 32 | Brother | — | Massachusetts |
| 79 | Charles Clarke | 56 | Lodger | — | Scotland |
| 80 | William Reed | 51 | Head | Teamster | Massachusetts |
| 81 | Jane Reed | 44 | Wife | Folder | Massachusetts |
| 82 | James Dowd | 62 | Head | — | Ireland |
| 83 | Mary Dowd | 63 | Wife | — | Ireland |
| 84 | John Dowd | 36 | Son | Laborer | Massachusetts |
| 85 | Thomas Dowd | 23 | Son | Steel Worker | Massachusetts |
| 86 | Joseph Ginsburg | 37 | Head | Grocer | Russia |
| 87 | Ruby Ginsburg | 34 | Wife | — | Russia |
| 88 | Sadie Ginsburg | 15 | Daughter | — | Russia |
| 89 | Fanny Ginsburg | 11 | Daughter | — | Russia |
| 90 | Morris Ginsburg | 9 | Son | — | Russia |
| 91 | Louis Ginsburg | 7 | Son | — | Russia |
| 92 | Jennie Ginsburg | 3 | Daughter | — | Massachusetts |
| 93 | Flora Ginsburg | 1 | Daughter | — | Massachusetts |
| 94 | Patrick Ryan | 47 | Head | Teamster | Ireland |
| 95 | Bridget Ryan | 43 | Wife | — | Ireland |
| 96 | William Ryan | 17 | Son | Sorter | Massachusetts |
| 97 | John Ryan | 15 | Son | Messenger | Massachusetts |
| 98 | James Ryan | 12 | Son | — | Massachusetts |
| 99 | Mary Ryan | 11 | Daughter | — | Massachusetts |
| 100 | Elizabeth Ryan | 8 | Daughter | — | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)