MC
Mary Christian — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Christian across the 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1902), then head of a 11-person household.
Age 18
b. ~1902
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Christian |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Concord Town |
| 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.
11 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Regina Christian | Daughter | — | 11 | ~1909 |
| William Christian | Son | — | 13 | ~1907 |
| Joseph Evans | Other | — | 51 | ~1869 |
| Katherine Christian | Daughter | — | 7 | ~1913 |
| Hiram Mellish | Other | — | 44 | ~1876 |
| Mary Christian | Daughter | — | 18 | ~1902 |
| Annie Christian | Spouse | — | 42 | ~1878 |
| Hugh Keenan | Other | — | 51 | ~1869 |
| James Christian | Head | — | 45 | ~1875 |
| Charles Wales | Other | — | 58 | ~1862 |
| Virginia Christian | Daughter | — | 17 | ~1903 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 8
Middlesex, Massachusetts · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Christian |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 18
Middlesex, Massachusetts · implied b. ~1902 — 11 household members
| Surname | Christian |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| 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 Christian across 2 US Census years (1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Christian
Daughter · 1920 · age 18 · b. ~1902 · Massachusetts
★ You are viewing this record
Sibling
Virginia Christian
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Christian
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Christian
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Regina Christian
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:1920:14thcensusofpopu706unit:1177)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Mc Garry | 53 | Head | Refiner | Ireland |
| 2 | Julia Mc Garry | 52 | Wife | — | Ireland |
| 3 | Gladys Mc Garry | 23 | Daughter | — | Massachusetts |
| 4 | Edward Mc Garry | 21 | Son | — | Massachusetts |
| 5 | Margaret Mc Garry | 12 | Daughter | — | Massachusetts |
| 6 | Victor Dupree | 49 | Head | Watchman | Canada |
| 7 | Victor Jr. Dupree | 12 | Son | — | Massachusetts |
| 8 | Margaret Doherty | 29 | Servant | Servant | Massachusetts |
| 9 | Rosie Dupree | 73 | Mother | — | Canada |
| 10 | Josephine Lady | 60 | Head | — | Canada |
| 11 | Frank Wallace | 50 | Head | Butcher | Massachusetts |
| 12 | James W. Christian | 45 | Head | Officer | Massachusetts |
| 13 | Annie Christian | 42 | Wife | — | Massachusetts |
| 14 | Mary F. Christian THIS PERSON | 18 | Daughter | — | Massachusetts |
| 15 | Virginia B. Christian | 17 | Daughter | — | Massachusetts |
| 16 | William Christian | 13 | Son | — | Massachusetts |
| 17 | Regina Christian | 11 | Daughter | — | Massachusetts |
| 18 | Katherine L. Christian | 7 | Daughter | — | Massachusetts |
| 19 | Hugh Keenan | 51 | Boarder | Officer | Canada |
| 20 | Charles W. Wales | 58 | Boarder | Clerk | Massachusetts |
| 21 | Joseph Evans | 51 | Boarder | Instructor | New Brunswick |
| 22 | Hiram Mellish | 44 | Boarder | Clerk | Prince Edward Island |
| 23 | William Dickinson | 22 | Head | Electrician | Massachusetts |
| 24 | Margaret E. Dickinson | 21 | Wife | — | Massachusetts |
| 25 | June Dickinson | 2 | Daughter | — | Massachusetts |
| 26 | Jennie Dickinson | 75 | Mother | — | Newfoundland |
| 27 | Marion R. Dickinson | 21 | Sister | Stenographer | Massachusetts |
| 28 | Helen D. Dickinson | 20 | Sister | Clerk | Massachusetts |
| 29 | Gladys P. Dickinson | 17 | Sister | — | Massachusetts |
| 30 | Marjorie E. Dickinson | 14 | Sister | — | Massachusetts |
| 31 | Leon M. Harris | 55 | Head | Officer | Vermont |
| 32 | Sadie W. Harris | 37 | Wife | — | Massachusetts |
| 33 | Robert Walker | 51 | Head | Clergyman | Massachusetts |
| 34 | Ellen Walker | 50 | Wife | — | Massachusetts |
| 35 | William J. Ward | 43 | Head | Officer | New Brunswick |
| 36 | Gertrude P. Ward | 41 | Wife | — | Massachusetts |
| 37 | Dorothy M. Ward | 14 | Daughter | — | Massachusetts |
| 38 | William J. Jr. Ward | 13 | Son | — | Massachusetts |
| 39 | Edna G. Ward | 12 | Daughter | — | Massachusetts |
| 40 | Ruth H. Ward | 11 | Daughter | — | Massachusetts |
| 41 | Albert L. Shaw | 44 | Head | Officer | Maine |
| 42 | Louise Shaw | 42 | Wife | — | Nova Scotia |
| 43 | William Hicks | 48 | Head | Instructor | New York |
| 44 | Margaret E. Hicks | 46 | Wife | — | Rhode Island |
| 45 | William L. Hicks | 15 | Son | — | Rhode Island |
| 46 | Ruth N. Hicks | 15 | Daughter | — | Rhode Island |
| 47 | Gordon Wilson | 51 | Head | Instructor | Scotland |
| 48 | Jane Wilson | 41 | Wife | — | Scotland |
| 49 | Joseph Doherty | 42 | Head | Officer | Massachusetts |
| 50 | Bridget Doherty | 40 | Wife | — | Newfoundland |
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)