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Mary Mcmanus — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Mary Mcmanus across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 10-person household.
Age 18
b. ~1922
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | McManus |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Wilmington |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Floor girl |
| Industry | Chocolate Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 176 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Floor Girl |
| Township / Ward | Wilmington |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Mcmanus | Daughter | — | 14 | ~1926 |
| Edith Mcmanus | Daughter | — | 16 | ~1924 |
| Mary Mcmanus | Spouse | — | 53 | ~1887 |
| Joseph Mcmanus | Son | — | 22 | ~1918 |
| John Mcmanus | Son | — | 21 | ~1919 |
| Edward Mcmanus | Son | — | 19 | ~1921 |
| Gertrude Mcmanus | Daughter | — | 13 | ~1927 |
| James Mcmanus | Head | — | 54 | ~1886 |
| James Mcmanus | Son | — | 24 | ~1916 |
| Mary Mcmanus | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Middlesex, Massachusetts
Daughter, age 8
Middlesex, Massachusetts · implied b. ~1922 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McManus |
| Given Name | Mary E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| 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
Middlesex-County, Massachusetts
Daughter, age 18
Middlesex-County, Massachusetts · implied b. ~1922 — 10 household members
| Surname | McManus |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Wilmington |
| 1935 Residence (County) | Middlesex |
| Occupation | Floor girl |
| Industry | Chocolate Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 176 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| 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 18 · b. ~1922 · Massachusetts
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Sibling
Gertrude Mcmanus
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mcmanus
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Mcmanus
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mcmanus
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mcmanus
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mcmanus
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcmanus
Sibling · 1940 · age 24
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01621-00628)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sheldon William A Sheldon | 11 | Son | — | Massachusetts |
| 42 | Carter Jessie M Sheldon | 56 | Mother | — | Massachusetts |
| 43 | Percival H Burnish | 31 | Head | Repairman | Canada Eng |
| 44 | Dora D Burnish | 28 | Wife | — | Massachusetts |
| 45 | Percival H Jr Burnish | 5 | Son | — | Massachusetts |
| 46 | Nancy J Burnish | 3 | Daughter | — | Massachusetts |
| 47 | Robert H Burnish | 2 | Son | — | Massachusetts |
| 48 | James Mcmanus | 54 | Head | Freight Handler | Massachusetts |
| 49 | Mary D Mcmanus | 53 | Wife | — | Massachusetts |
| 50 | James P Mcmanus | 24 | Son | — | Massachusetts |
| 51 | Joseph F Mcmanus | 22 | Son | — | Massachusetts |
| 52 | John T Mcmanus | 21 | Son | Laborer | Massachusetts |
| 53 | Edward L Mcmanus | 19 | Son | New Work | Massachusetts |
| 54 | Mary E Mcmanus THIS PERSON | 18 | Daughter | Floor Girl | Massachusetts |
| 55 | Edith L Mcmanus | 16 | Daughter | — | Massachusetts |
| 56 | Helen M Mcmanus | 14 | Daughter | — | Massachusetts |
| 57 | Gertrude A Mcmanus | 13 | Daughter | — | Massachusetts |
| 58 | John J Walsh | 48 | Head | Soaler | Massachusetts |
| 59 | Margaret S Walsh | 40 | Wife | — | Massachusetts |
| 60 | George Gadbois | 19 | Step son | — | Massachusetts |
| 61 | Charles A Read | 37 | Head | Clerk | Vermont |
| 62 | Mabel A Read | 36 | Wife | — | Vermont |
| 63 | Kenneth N Read | 16 | Son | — | Vermont |
| 64 | Herbert C Kustin | 30 | Head | Salesman | Massachusetts |
| 65 | Elizabeth E Kustin | 29 | Wife | — | Massachusetts |
| 66 | Janet L Kustin | 10 | Daughter | — | Massachusetts |
| 67 | Robert C Kustin | 7 | Son | — | Massachusetts |
| 68 | Arthur J Kustin | 6 | Son | — | Massachusetts |
| 69 | Lawrence J Kustin | 1 | Son | — | Massachusetts |
| 70 | Felix J Perrin | 44 | Head | Shop | Canada English |
| 71 | Mildred E Perrin | 38 | Wife | — | Canada English |
| 72 | Lorna P Perrin | 17 | Daughter | — | Canada English |
| 73 | William R Perrin | 14 | Son | — | Massachusetts |
| 74 | John R Perrin | 12 | Son | — | Massachusetts |
| 75 | Edward J Perrin | 9 | Son | — | Massachusetts |
| 76 | Audrey E Perrin | 7 | Daughter | — | Massachusetts |
| 77 | Susan M Ray | 52 | Step mother | Housekeeper | Canada English |
| 78 | Anna Mclean | 55 | Head | Housework | Canada English |
| 79 | Earl S Hamilton | 34 | Head | Owner | Canada English |
| 80 | Helen M Hamilton | 29 | Wife | — | Massachusetts |
Related Census Records
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)