MH
Mary Haynes — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Mary Haynes across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Leo & Thomas — first a daughter (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Haynes |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Haverhill City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Typist |
| Industry | General Office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 991 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Typist |
| Township / Ward | Haverhill City |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Haynes | Daughter | — | 21 | ~1919 |
| Leo Haynes | Head | — | 54 | ~1886 |
| William Haynes | Son | — | 23 | ~1917 |
| Flora Haynes | Spouse | — | 43 | ~1897 |
| Robert Haynes | Son | — | 14 | ~1926 |
Census Appearances
1920
Essex, Massachusetts
Daughter, age
Essex, Massachusetts · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haynes |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Daughter, age 11
Essex, Massachusetts · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haynes |
| Given Name | Mary G |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Daughter, age 21
Essex-County, Massachusetts · implied b. ~1919 — 5 household members
| Surname | Haynes |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Haverhill City |
| 1935 Residence (County) | Essex |
| Occupation | Typist |
| Industry | General Office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 991 |
| 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 Mary Haynes across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Leo Haynes (~0.92 confidence) and father Thomas Haynes (~0.92 confidence) and mother Flora Haynes (~0.92 confidence) and mother Hannah Haynes (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Leo Haynes
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Thomas Haynes
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Flora Haynes
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Hannah Haynes
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Haynes
Daughter · 1940 · age 21 · b. ~1919 · Massachusetts
★ You are viewing this record
Sibling
Robert Haynes
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Haynes
Sibling · 1940 · age 23
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
40 people indexed on this census page (nara:1940:m-t0627-01581-00423)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Flora X. Lyle | 48 | Wife | Manager | Canada |
| 42 | Hazen Lyle | 26 | Son | Assistant Manager | Maine |
| 43 | Christine Lyle | 25 | Daughter | Telephone Operator | Maine |
| 44 | Grace X. Kittingill | 36 | Head | — | Massachusetts |
| 45 | Robert Kittingill | 15 | Son | — | Massachusetts |
| 46 | Horace Munsey | 69 | Head | — | Maine |
| 47 | Mabel X. Munsey | 69 | Wife | — | Maine |
| 48 | Charles Kittingill | 61 | Head | — | Massachusetts |
| 49 | Harriett Kittingill | 61 | Wife | — | Massachusetts |
| 50 | Pearl M. Kittingill | 33 | Daughter | Teacher | Massachusetts |
| 51 | Emily Nickerson | 33 | Lodger | Teacher | Massachusetts |
| 52 | Helen X. Milton | 76 | Wife | — | Maine |
| 53 | Stanley Pickett | 24 | Head | Beater | New Hampshire |
| 54 | Margaret Pickett | 25 | Wife | — | Massachusetts |
| 55 | Norman Pickett | 3 | Son | — | Massachusetts |
| 56 | Mary Ann Pickett | 1 | Daughter | — | Massachusetts |
| 57 | Harry Barker | 63 | Head | Pharmacist | Maine |
| 58 | Margaret Barker | 62 | Wife | — | Massachusetts |
| 59 | Leo X. Haynes | 54 | Head | — | New Hampshire |
| 60 | Flora Haynes | 43 | Wife | — | Massachusetts |
| 61 | William Haynes | 23 | Son | Bagger | Massachusetts |
| 62 | Mary Haynes THIS PERSON | 21 | Daughter | Typist | Massachusetts |
| 63 | Robert Haynes | 14 | Son | — | Massachusetts |
| 64 | Charles Moynihan | 67 | Head | — | Massachusetts |
| 65 | Avilla Moynihan | 66 | Wife | — | Massachusetts |
| 66 | Richard Buzzell | 15 | Step-son | — | Massachusetts |
| 67 | Joseph X. Lord | 36 | Head | Laborer | Massachusetts |
| 68 | Margaret X. Lord | 33 | Wife | — | Massachusetts |
| 69 | Joseph M. Lord | 13 | Son | — | Massachusetts |
| 70 | Rosemary Lord | 11 | Daughter | — | Massachusetts |
| 71 | Harry X. Triss | 62 | Head | Barber | England |
| 72 | Alice Triss | 60 | Wife | — | New Hampshire |
| 73 | Caroline Beverly | 80 | Head | — | Vermont |
| 74 | Lavina X. Beverly | 42 | Daughter | Stitcher | Massachusetts |
| 75 | Dennis Coughlin | 38 | Son-in-law | Mill Hand | Massachusetts |
| 76 | Sue Coughlin | 43 | Daughter | — | Massachusetts |
| 77 | William Cousens | 66 | Head | Electrician | Kansas |
| 78 | Melvina X. Cousens | 70 | Wife | — | Massachusetts |
| 79 | Clara Cousens | 80 | Mother | — | Maine |
| 80 | Elizabeth O'Donnell | 65 | Head | Proprietor | Massachusetts |
Related Census Records
Pedigree Summary
Mary + 2 siblings
Gen 1 · 4 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)