MF
Mary Floyd — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Mary Floyd across the 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 8-person household.
Age 22
b. ~1918
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Floyd |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Haverhill City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Mat Youth |
| Industry | N.Y.A |
| Class of Worker | GW |
| Hours Worked | 27 |
| Income (1939) | 207 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Mat Youth |
| Township / Ward | Haverhill City |
| Est. Birth Year | ~1918 |
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 |
|---|---|---|---|---|
| Mary Floyd | Daughter | — | 22 | ~1918 |
| Alice Floyd | Daughter | — | 18 | ~1922 |
| John Floyd | Son | — | 20 | ~1920 |
| John Floyd | Head | — | 61 | ~1879 |
| Mary Floyd | Daughter | — | 49 | ~1891 |
| Julia Floyd | Daughter | — | 14 | ~1926 |
| Helen Floyd | Daughter | — | 16 | ~1924 |
| Joseph Floyd | Son | — | 12 | ~1928 |
Census Appearances
1930
Essex, Massachusetts
Daughter, age 12
Essex, Massachusetts · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Floyd |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Daughter, age 22
Essex-County, Massachusetts · implied b. ~1918 — 8 household members
| Surname | Floyd |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Haverhill City |
| 1935 Residence (County) | Essex |
| Occupation | Mat Youth |
| Industry | N.Y.A |
| Class of Worker | GW |
| Hours Worked | 27 |
| Income (1939) | 207 |
| 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 Floyd across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Floyd
Daughter · 1940 · age 22 · b. ~1918 · Massachusetts
★ You are viewing this record
Sibling
Julia Floyd
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Floyd
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Floyd
Sibling · 1940 · age 49
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Floyd
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Floyd
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Floyd
Sibling · 1940 · age 18
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-t0627-01580-00761)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Armond Boghasian | 23 | Son | Laborer | Massachusetts |
| 2 | Veronica Watson | 46 | Head | Glazer | Poland |
| 3 | Dickran Gazazian | 53 | Head | Barker | Turkey |
| 4 | Hamst Gazazian | 39 | Wife | Clerk | Turkey |
| 5 | John Gazazian | 13 | Son | — | Massachusetts |
| 6 | Frank George | 51 | Head | Janitor | Italy |
| 7 | Celestina George | 44 | Wife | Housework | Italy |
| 8 | Philomena George | 17 | Daughter | — | Massachusetts |
| 9 | Joseph George | 16 | Son | — | Massachusetts |
| 10 | Robert George | 13 | Son | — | Massachusetts |
| 11 | Mary George | 9 | Daughter | — | Massachusetts |
| 12 | Anthony George | 5 | Son | — | Massachusetts |
| 13 | George Callias | 40 | Head | Presser | Greece |
| 14 | Lillian Callias | 28 | Wife | Stitcher | Massachusetts |
| 15 | Anthony Callias | 6 | Son | — | Massachusetts |
| 16 | Samuel Gagil | 71 | Head | Rev. | Austria |
| 17 | Annie Gagil | 71 | Wife | Housework | Austria |
| 18 | Victor Barowski | 41 | Head | Presser | Poland |
| 19 | Sophia Barowski | 39 | Wife | Machine Stitcher | Poland |
| 20 | Theodore Barowski | 22 | Son | Tacker | Massachusetts |
| 21 | John Floyd | 61 | Head | Laborer | Ireland |
| 22 | Mary Floyd | 49 | Daughter | Housework | Ireland |
| 23 | Mary Floyd THIS PERSON | 22 | Daughter | Mat Youth | Massachusetts |
| 24 | John Floyd | 20 | Son | Road Worker | Massachusetts |
| 25 | Alice Floyd | 18 | Daughter | New Worker | Massachusetts |
| 26 | Helen Floyd | 16 | Daughter | — | Massachusetts |
| 27 | Julia Floyd | 14 | Daughter | — | Massachusetts |
| 28 | Joseph Floyd | 12 | Son | — | Massachusetts |
| 29 | Thomas Doughty | 39 | Head | Laborer | Massachusetts |
| 30 | Hazel Doughty | 33 | Wife | Housework | Massachusetts |
| 31 | Addie Leslie | 50 | Head | Housework | New Hampshire |
| 32 | William White | 66 | Lodger | — | New Hampshire |
| 33 | George Christos | 50 | Head | Cutter | Greece |
| 34 | Helen Christos | 46 | Wife | Burnisher | Greece |
| 35 | John Christos | 18 | Son | — | Massachusetts |
| 36 | Mary Christos | 17 | Daughter | — | Massachusetts |
| 37 | Sophia Christos | 4 | Son | — | Massachusetts |
| 38 | Antonio Massa | 52 | Head | Housework | Italy |
| 39 | Caitlyn Massa | 23 | Daughter | Bench Worker | Massachusetts |
| 40 | Nicholas Massa | 18 | Son | — | 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)