MH
Mary Haines — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Haines across the 1920 and 1930 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 4-person household.
Age 4
b. ~1916
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Suffolk, Massachusetts |
| Surname | Haines |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | City Of Boston |
| Est. Birth Year | ~1916 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| A Haines | Son | — | 2 | ~1918 |
| Mary Haines | Daughter | — | 4 | ~1916 |
| Dorothy Haines | Daughter | — | 1 | ~1919 |
| Helene Haines | Spouse | — | 27 | ~1893 |
Census Appearances
1920
Suffolk, Massachusetts
Daughter, age 4
Suffolk, Massachusetts · implied b. ~1916 — 4 household members
| Surname | Haines |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Daughter, age 15
Suffolk, Massachusetts · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hines |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| 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 |
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 Haines across 2 US Census years (1920 and 1930) in Suffolk, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Haines
Daughter · 1920 · age 4 · b. ~1916 · Massachusetts
★ You are viewing this record
Sibling
A Haines
Sibling · 1920 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Haines
Sibling · 1920 · age 1
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
1920 US Federal Census — Suffolk, Massachusetts
Open full size
1920 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu741unit:0933)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Helene M. Haines | 27 | Wife | — | Massachusetts |
| 52 | Mary Haines THIS PERSON | 4 | Daughter | — | Massachusetts |
| 53 | A. H. Haines | 2 | Son | — | Massachusetts |
| 54 | Dorothy Haines | 1 | Daughter | — | Massachusetts |
| 55 | Joseph R. Downey | 54 | Head | Engineer | Massachusetts |
| 56 | Barbara V. Downey | 55 | Wife | — | Massachusetts |
| 57 | Catherine R. Downey | 27 | Daughter | Librarian | Massachusetts |
| 58 | Barbara U. Downey | 16 | Daughter | — | Massachusetts |
| 59 | Austin P. Davenport | 71 | Brother-in-law | Inspector | Massachusetts |
| 60 | Sidney G. Camm | 55 | Head | Contractor | England |
| 61 | Alice G. Camm | 54 | Wife | — | England |
| 62 | Raymond S. Camm | 22 | Son | Machinist | Massachusetts |
| 63 | Marion L. Camm | 19 | Daughter | — | Massachusetts |
| 64 | Elizabeth Camm | 12 | Daughter | — | Massachusetts |
| 65 | Alice Dorothy Camm | 10 | Daughter | — | Massachusetts |
| 66 | Lester J. Camm | 25 | Son | Drummer | Massachusetts |
| 67 | Margaret T. Moran | 87 | Head | — | Ireland |
| 68 | Julia A. Moran | 64 | Daughter | — | Massachusetts |
| 69 | Mary E. Moran | 53 | Daughter | Teacher | Massachusetts |
| 70 | Ellen Moran | 41 | Daughter | — | Massachusetts |
| 71 | Julia B. Moran | 52 | Granddaughter | Dressmaker | Norway |
| 72 | Mary E. Moran | 53 | Granddaughter | — | England |
| 73 | Elizabeth O. Ayers | 32 | Head | Book Keeper | New York |
| 74 | Dora E. Ayers | 13 | Daughter | — | New York |
| 75 | Dora E. Ayers | 27 | Mother-in-law | — | New York |
| 76 | Edmund M. Gallagher | 41 | Head | Teamster | Ireland |
| 77 | Julia A. Gallagher | 31 | Wife | — | Norway |
| 78 | Edmund M. Gallagher | 5 | Son | — | Massachusetts |
| 79 | James J. Gallagher | 3 | Son | — | Massachusetts |
| 80 | Karen Lundhoff | 27 | Sister-in-law | Embroideress | Norway |
| 81 | Elsie Lundhoff | 13 | Niece | — | France |
| 82 | Martin J. Lynch | 69 | Head | Presser | Massachusetts |
| 83 | Ellen E. Lynch | 64 | Wife | — | Ireland |
| 84 | Richard F. Lynch | 44 | Son | Collector | Massachusetts |
| 85 | Mary F. Lynch | 47 | Daughter | Teacher | Massachusetts |
| 86 | Edward F. Lynch | 28 | Son | Machinist | Massachusetts |
| 87 | James J. Cox | 40 | Head | Fireman | Ireland |
| 88 | Mary Cox | 39 | Wife | — | Ireland |
| 89 | Cecilia V. Cox | 10 | Daughter | — | Massachusetts |
| 90 | John Cox | 7 | Son | — | Massachusetts |
| 91 | Teresa M. Cox | 7 | Daughter | — | Massachusetts |
| 92 | Marie N. Cox | 4 | Daughter | — | Massachusetts |
| 93 | Helen C. Cox | 1 | Daughter | — | Massachusetts |
| 94 | Michael J. Sweeney | 27 | Boarder | Laborer | Ireland |
| 95 | Albert S. Olson | 38 | Head | Conductor | Sweden |
| 96 | Hedwig Olson | 31 | Wife | — | Germany |
| 97 | William J. Black | 20 | Boarder | Salesman | Massachusetts |
| 98 | Charles Gendron | 57 | Head | Painter | Canada |
| 99 | Catherine Gendron | 60 | Wife | — | Ireland |
| 100 | Mary A. Gendron | 28 | Daughter | — | Canada |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)