MM
Mary Mcmullen — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Mcmullen across the 1910 and 1920 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1907), then head of a 7-person household.
Age 13
b. ~1907
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Suffolk, Massachusetts |
| Surname | McMullen |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1907 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcmullen | Daughter | — | 13 | ~1907 |
| Margaret Mcmullen | Daughter | — | 9 | ~1911 |
| Mary Mcmullen | Spouse | — | 33 | ~1887 |
| Joseph Mcmullen | Son | — | 7 | ~1913 |
| Francis Mcmullen | Son | — | 11 | ~1909 |
| John Mcmullen | Son | — | 5 | ~1915 |
| Joseph Mcmullen | Head | — | 36 | ~1884 |
Census Appearances
1910
Suffolk, Massachusetts
Other, age 3
Suffolk, Massachusetts · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMullen |
| Given Name | Mary H |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Suffolk, Massachusetts
Daughter, age 13
Suffolk, Massachusetts · implied b. ~1907 — 7 household members
| Surname | McMullen |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| 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 |
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 Mcmullen across 2 US Census years (1910 and 1920) in Suffolk, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcmullen
Daughter · 1920 · age 13 · b. ~1907 · Massachusetts
★ You are viewing this record
Sibling
Margaret Mcmullen
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Mcmullen
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mcmullen
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mcmullen
Sibling · 1920 · age 7
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
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:1920:14thcensusofpopu733unit:0111)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Tony Torone | 52 | Head | Cook | Italy |
| 2 | Josephine Torone | 52 | Wife | — | Italy |
| 3 | Mary Torone | 15 | Daughter | — | Massachusetts |
| 4 | Frances Torone | 12 | Daughter | — | Massachusetts |
| 5 | Richard P Dooley | 47 | Head | Contractor | Massachusetts |
| 6 | Alice Dooley | 43 | Wife | — | New Brunswick |
| 7 | Albert P Dooley | 17 | Son | — | Massachusetts |
| 8 | Thomas Dooley | 15 | Son | — | Massachusetts |
| 9 | John J Dooley | 13 | Son | — | Massachusetts |
| 10 | Alice Dooley | 11 | Daughter | — | Massachusetts |
| 11 | Elizabeth Hickey | 64 | Mother-in-law | — | New Brunswick |
| 12 | Edward Hickey | 32 | Brother-in-law | Teamster | New Brunswick |
| 13 | Mary Irving | 30 | Niece | Cashier | Massachusetts |
| 14 | James Mcinnis | 58 | Head | — | Scotland |
| 15 | John B Mcinnis | 28 | Son | Laborer | Massachusetts |
| 16 | Francis P Mcinnis | 23 | Son | Clerk Office | Massachusetts |
| 17 | William J Mcinnis | 21 | Son | Teamster | Massachusetts |
| 18 | Edward J Mcinnis | 18 | Son | Laborer | Massachusetts |
| 19 | Margaret Mcinnis | 17 | Daughter | Typist | Massachusetts |
| 20 | Julia Kelly | 53 | Head | — | Ireland |
| 21 | Helen E Kelly | 36 | Daughter | Saleslady | Massachusetts |
| 22 | Mary A Brown | 49 | Head | — | Massachusetts |
| 23 | Nellie Brown | 43 | Sister | — | Massachusetts |
| 24 | Alice M Brown | 25 | Sister | Stitcher | Massachusetts |
| 25 | John Grant | 35 | Head | Painter | Nova Scotia |
| 26 | Lucile Grant | 35 | Wife | — | Maine |
| 27 | Jessie Grant | 6 | Daughter | — | Massachusetts |
| 28 | Emil Sundberg | 50 | Head | Salesman | Sweden |
| 29 | Amelia Sundberg | 50 | Wife | — | Sweden |
| 30 | Lars Sundberg | 21 | Son | — | Sweden |
| 31 | Benjamin Varner | 35 | Head | Butcher | Russia |
| 32 | Sophie Varner | 35 | Wife | — | Russia |
| 33 | Pauline Varner | 11 | Daughter | — | Massachusetts |
| 34 | Max Varner | 8 | Son | — | Massachusetts |
| 35 | Sidney Varner | 5 | Son | — | Massachusetts |
| 36 | Joseph F Mcmullen | 36 | Head | Freight Handler | Massachusetts |
| 37 | Mary Mcmullen | 33 | Wife | — | Massachusetts |
| 38 | Mary Mcmullen THIS PERSON | 13 | Daughter | — | Massachusetts |
| 39 | Francis Mcmullen | 11 | Son | — | Massachusetts |
| 40 | Margaret Mcmullen | 9 | Daughter | — | Massachusetts |
| 41 | Joseph Mcmullen | 7 | Son | — | Massachusetts |
| 42 | John Mcmullen | 5 | Son | — | Massachusetts |
| 43 | Teresa Frizzi | 48 | Head | — | Italy |
| 44 | Frances Sullivan | 22 | Daughter | — | Massachusetts |
| 45 | John Sullivan | 23 | Son-in-law | — | Massachusetts |
| 46 | Anthony Frizzi | 18 | Son | Hardware | New York |
| 47 | Mary Hickey | 52 | Head | — | Ireland |
| 48 | Jessie Hickey | 22 | Daughter | Clerk | Massachusetts |
| 49 | Thomas L Hickey | 32 | Head | Clerk | Massachusetts |
| 50 | Emma Hickey | 30 | Wife | — | 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)