MM
Mary Mcmanus — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Mcmanus across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | McManus |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1923 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Edward Mcmanus | Head | — | 47 | ~1893 |
| John Mcmanus | Son | — | 9 | ~1931 |
| Mary Mcmanus | Daughter | — | 17 | ~1923 |
| Katherine Mcmanus | Daughter | — | 13 | ~1927 |
| Irene Mcmanus | Daughter | — | 7 | ~1933 |
| Gertrude Mcmanus | Spouse | — | 39 | ~1901 |
| Gertrude Mcmanus | Daughter | — | 19 | ~1921 |
| Edward Mcmanus | Son | — | 10 | ~1930 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 7
Suffolk, Massachusetts · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McManus |
| Given Name | Mary J. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 17
Suffolk-County, Massachusetts · implied b. ~1923 — 8 household members
| Surname | McManus |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Highest Grade | Hs 1 |
| 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 Mcmanus across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcmanus
Daughter · 1940 · age 17 · b. ~1923 · Massachusetts
★ You are viewing this record
Sibling
Gertrude Mcmanus
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Mcmanus
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Mcmanus
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mcmanus
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mcmanus
Sibling · 1940 · age 9
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
1940 US Federal Census — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01666-00035)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kenney | None | — | — | — |
| 2 | Kenney | None | — | — | — |
| 3 | Harry V. O'Brien | 45 | Head | Bartender | New Hampshire |
| 4 | Agnes O'Brien | 47 | Wife | — | New Hampshire |
| 5 | Robert O'Brien | 22 | Son | Laborer | Massachusetts |
| 6 | Richard O'Brien | 17 | Son | — | Massachusetts |
| 7 | Eleanor O'Brien | 15 | Daughter | — | Massachusetts |
| 8 | John O'Brien | 13 | Son | — | Massachusetts |
| 9 | John S. Kokulis | 52 | Head | Laborer | Greece |
| 10 | Anna M. Kokulis | 36 | Wife | — | New York |
| 11 | Margaret Blanchette | 49 | Head | Hairdresser | Ireland |
| 12 | Frank Tricone | 48 | Head | — | Italy |
| 13 | Mary M. Gannon | 67 | Head | — | Massachusetts |
| 14 | Antonia Tenchria | 74 | Head | Cotton Tender | Portugal |
| 15 | Mary Tenchria | 67 | Wife | — | Portugal |
| 16 | James O'Neil | 62 | Head | Painter | Massachusetts |
| 17 | George Yeoman | 68 | Head | Carpenter | Massachusetts |
| 18 | Alex Peterson | 63 | Head | Cook | Norway |
| 19 | Mildred O'Brien | 33 | Head | — | Canada |
| 20 | Georgine O'Brien | 15 | Daughter | — | Massachusetts |
| 21 | Mary O'Brien | 13 | Daughter | — | Massachusetts |
| 22 | Francis O'Brien | 10 | Son | — | Massachusetts |
| 23 | Irene O'Brien | 9 | Daughter | — | Massachusetts |
| 24 | Edward Mcmanus | 47 | Head | Brick Layer | Massachusetts |
| 25 | Gertrude Mcmanus | 39 | Wife | — | Massachusetts |
| 26 | Gertrude Mcmanus | 19 | Daughter | — | Massachusetts |
| 27 | Mary Mcmanus THIS PERSON | 17 | Daughter | — | Massachusetts |
| 28 | Katherine Mcmanus | 13 | Daughter | — | Massachusetts |
| 29 | Edward Mcmanus | 10 | Son | — | Massachusetts |
| 30 | Irene Mcmanus | 7 | Daughter | — | Massachusetts |
| 31 | John Mcmanus | 9 | Son | — | Massachusetts |
| 32 | Antonio Pinela | 59 | Head | Peddler | Italy |
| 33 | Bambina Pinela | 60 | Wife | — | Italy |
| 34 | Paul Pinela | 27 | Son | Peddler | Massachusetts |
| 35 | Peter Pinela | 25 | Son | Peddler | Massachusetts |
| 36 | Anthony Pinela | 23 | Son | Peddler | Massachusetts |
| 37 | Victoria Pinela | 17 | Daughter | — | Massachusetts |
| 38 | Fillips Gentile | 51 | Head | Laborer | Italy |
| 39 | Katina Gentile | 50 | Wife | — | Italy |
| 40 | Mary Gentile | 27 | Daughter | Staker | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)