MP
Mary Parker — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Parker across the 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1902), then head of a 10-person household.
Age 18
b. ~1902
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Parker |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Vermont |
| Additional Details | |
| Occupation | Sorter |
| Industry | Card factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Sorter |
| Township / Ward | Pepperell Town Part Of |
| Est. Birth Year | ~1902 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Parker | Daughter | — | 5 | ~1915 |
| Ina Parker | Daughter | — | 23 | ~1897 |
| Mary Parker | Daughter | — | 18 | ~1902 |
| Justina Parker | Daughter | — | 11 | ~1909 |
| Flora Parker | Head | — | 50 | ~1870 |
| Glenn Parker | Son | — | 20 | ~1900 |
| Alfred Parker | Son | — | 16 | ~1904 |
| Herbert Parker | Son | — | 13 | ~1907 |
| Leland Parker | Son | — | 8 | ~1912 |
| Waldo Parker | Son | — | 25 | ~1895 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 8
Middlesex, Massachusetts · implied b. ~1902 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Vermont |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 18
Middlesex, Massachusetts · implied b. ~1902 — 10 household members
| Surname | Parker |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Vermont |
| Occupation | Sorter |
| Industry | Card factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Parker across 2 US Census years (1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Parker
Daughter · 1920 · age 18 · b. ~1902 · Massachusetts
★ You are viewing this record
Sibling
Leland Parker
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Waldo Parker
Sibling · 1920 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Parker
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Parker
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Parker
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glenn Parker
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ina Parker
Sibling · 1920 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Justina Parker
Sibling · 1920 · age 11
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 — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu717unit:0520)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Helen M Willey | 46 | Daughter | Librarian | Massachusetts |
| 52 | Joseph A Willey | 40 | Son | Laborer | Massachusetts |
| 53 | Annetta Merrill | 62 | Head | — | New York |
| 54 | Mary A Bardo | 54 | Servant | Servant | New Hampshire |
| 55 | Henry P Humes | 72 | Head | — | Massachusetts |
| 56 | Flora A Humes | 63 | Wife | — | Massachusetts |
| 57 | Sabina E Whiles | 67 | Sister-in-law | — | Massachusetts |
| 58 | William H Bowman | 64 | Head | Painter | Vermont |
| 59 | Addie M Bowman | 64 | Wife | — | Vermont |
| 60 | Alice Barker | 53 | Head | — | Massachusetts |
| 61 | Aubrey Barker | 22 | Daughter | Teacher | Massachusetts |
| 62 | Susan E Sartelle | 75 | Mother | — | Massachusetts |
| 63 | Anna M Morrison | 83 | Boarder | — | Massachusetts |
| 64 | John H Sartelle | 58 | Head | Operator | Massachusetts |
| 65 | Eunice W Sartelle | 52 | Wife | — | Illinois |
| 66 | Mildred E Sartelle | 24 | Daughter | — | Massachusetts |
| 67 | Eunice A Sartelle | 22 | Daughter | — | Massachusetts |
| 68 | James F Sartelle | 18 | Son | — | Massachusetts |
| 69 | Hattie N Sartelle | 15 | Son | — | Massachusetts |
| 70 | William G Sartelle | 13 | Son | — | Massachusetts |
| 71 | Walton H Sartelle | 10 | Son | — | Massachusetts |
| 72 | Michael Fitzgerald | 41 | Head | Laborer | Ireland |
| 73 | Sadie J Fitzgerald | 34 | Wife | — | Prince Edward Island |
| 74 | Edward J Fitzgerald | 4 | Son | — | Massachusetts |
| 75 | Mary J Fitzgerald | 0 | Daughter | — | Massachusetts |
| 76 | Charles H Chapman | 72 | Head | — | Massachusetts |
| 77 | Mary E Chapman | 71 | Wife | — | New Hampshire |
| 78 | John H O'Neill | 57 | Head | Teamster | New York |
| 79 | Mary L O'Neill | 55 | Wife | — | Ireland |
| 80 | William T O'Neill | 28 | Son | Teamster | Massachusetts |
| 81 | Ruth G O'Neill | 23 | Daughter | Bookkeeper | Massachusetts |
| 82 | John J O'Neill | 20 | Son | Laborer | Massachusetts |
| 83 | Timothy J O'Neill | 14 | Son | — | Massachusetts |
| 84 | Charles B Goodwin | 35 | Head | Teamster | Massachusetts |
| 85 | Elizabeth K Goodwin | 32 | Wife | — | New Hampshire |
| 86 | John B Goodwin | 4 | Son | — | Massachusetts |
| 87 | Lemuel W Tohier | 52 | Head | Teamster | Nova Scotia |
| 88 | Annie L Tohier | 45 | Wife | — | Nova Scotia |
| 89 | Mildred L Tohier | 20 | Daughter | — | Massachusetts |
| 90 | Thomas L Tohier | 18 | Son | Laborer | Massachusetts |
| 91 | Flora L Parker | 50 | Head | — | Vermont |
| 92 | Waldo Parker | 25 | Son | Cutter | Massachusetts |
| 93 | Ina A Parker | 23 | Daughter | Sorter | Massachusetts |
| 94 | Glenn G Parker | 20 | Son | Cutter | Massachusetts |
| 95 | Mary A Parker THIS PERSON | 18 | Daughter | Sorter | Massachusetts |
| 96 | Alfred H Parker | 16 | Son | — | Massachusetts |
| 97 | Herbert A Parker | 13 | Son | — | Massachusetts |
| 98 | Justina L Parker | 11 | Daughter | — | Massachusetts |
| 99 | Leland J Parker | 8 | Son | — | Massachusetts |
| 100 | Dorothy A Parker | 5 | Daughter | — | Massachusetts |
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)