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John Mcmanus — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this John Mcmanus across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Ida — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | McManus |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1917 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Mcmanus | Son | — | 23 | ~1917 |
| John Mcmanus | Head | — | 40 | ~1900 |
| Ida Mcmanus | Spouse | — | 45 | ~1895 |
| Phillip Mcmanus | Son | — | 21 | ~1919 |
Census Appearances
1920
Essex, Massachusetts
Son, age 3
Essex, Massachusetts · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McManus |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| 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 |
1930
Essex, Massachusetts
Son, age 14
Essex, Massachusetts · implied b. ~1916 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McManus |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| 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
Essex-County, Massachusetts
Son, age 23
Essex-County, Massachusetts · implied b. ~1917 — 4 household members
| Surname | McManus |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Highest Grade | Hs 4 |
| 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 John Mcmanus across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Mcmanus (~0.92 confidence) and mother Ida Mcmanus (~0.92 confidence) and father John Mcmanus (~0.92 confidence) and mother Mary Mcmanus (~0.92 confidence) and father John Mcmanus (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Mcmanus
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Ida Mcmanus
b. ~1895
Source mother
● Household
· direct · ~0.92
Father
John Mcmanus
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Mary Mcmanus
b. ~1895
Source mother
● Household
· direct · ~0.92
Father
John Mcmanus
b. ~1900
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Mcmanus
Son · 1940 · age 23 · b. ~1917 · Massachusetts
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Sibling
Phillip Mcmanus
Sibling · 1940 · age 21
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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01583-00351)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William A Byrne | 34 | Son | Clerk | Massachusetts |
| 42 | Frank Byrne | 32 | Son | Textile Worker | Massachusetts |
| 43 | Mary Sheehan | 40 | Daughter | Mender | Massachusetts |
| 44 | John Sheehan | 16 | Grandson | — | Massachusetts |
| 45 | Geraldine Sheehan | 12 | Granddaughter | — | Massachusetts |
| 46 | Francis Sheehan | 11 | Grandson | — | Massachusetts |
| 47 | Mary Libby | 37 | Head | At Home | Massachusetts |
| 48 | Earnest W Libby | 18 | Son | — | Massachusetts |
| 49 | Harry C Libby | 17 | Son | — | Massachusetts |
| 50 | Mary L Libby | 13 | Daughter | — | Massachusetts |
| 51 | Eleanor L Libby | 10 | Daughter | — | Massachusetts |
| 52 | Thomas F Libby | 9 | Son | — | Massachusetts |
| 53 | Mary A Libby | 70 | Mother | — | Massachusetts |
| 55 | Julia Jurczak | 60 | Head | At Home | Poland |
| 56 | Mary Jurczak | 29 | Daughter | Mender | Massachusetts |
| 57 | Walter Jurczak | 27 | Son | — | Massachusetts |
| 58 | Harry Bernhard | 23 | Head | Blacksmith | Massachusetts |
| 59 | Mary Bernhard | 21 | Wife | — | Massachusetts |
| 60 | Nancy Bernhard | 1 | Daughter | — | Massachusetts |
| 61 | Chasity Reder | 50 | Head | Textile Worker | Italy |
| 62 | Mae Reder | 49 | Wife | Textile Worker | Scotland |
| 63 | Evelyn Reder | 19 | Daughter | New Worker | Massachusetts |
| 64 | John Mcmanus | 40 | Head | Bartender | Massachusetts |
| 65 | Ida Mcmanus | 45 | Wife | Burler | New Hampshire |
| 66 | John Mcmanus THIS PERSON | 23 | Son | — | Massachusetts |
| 67 | Phillip Mcmanus | 21 | Son | — | Massachusetts |
| 68 | Margaret Merit | 75 | Head | At Home | Ireland Free State |
| 69 | Sadie Merit | 53 | Daughter | Textile Worker | Massachusetts |
| 70 | Agnes Merit | 49 | Daughter | Textile Worker | New Hampshire |
| 71 | George M Lund | 63 | Head | Textile Worker | Massachusetts |
| 72 | Daisy E Lund | 60 | Wife | — | Massachusetts |
| 73 | George H Lund | 24 | Son | Weaver | Massachusetts |
| 74 | Minnie Dewhurst | 60 | Head | At Home | Scotland |
| 75 | James Dewhurst | 32 | Son | Laborer | New Hampshire |
| 76 | Alfred Wilson | 31 | Head | Textile Finisher | Massachusetts |
| 77 | Dora Wilson | 38 | Wife | — | Massachusetts |
| 78 | Bert Thirault | 28 | Head | Laborer | Maine |
| 79 | Marion Thirault | 23 | Wife | Textile Finisher | Massachusetts |
| 80 | Lily Greenwood | 43 | Head | Textile Finisher | England |
Related Census Records
Pedigree Summary
John + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)