MJ
Mary Johnson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Plymouth, Massachusetts
Our Model Tree links this Mary Johnson across the 1900, 1910 and 1920 US Censuses in Plymouth, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1874), then head of a 4-person household.
Age 46
b. ~1874
Female
Spouse
Born: Maine
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Plymouth, Massachusetts |
| Surname | Johnson |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Township / Ward | Middleborough Town |
| Est. Birth Year | ~1874 |
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 |
|---|---|---|---|---|
| Eleanor Johnson | Daughter | — | 19 | ~1901 |
| August Johnson | Head | — | 47 | ~1873 |
| John Johnson | Son | — | 18 | ~1902 |
| Mary Johnson | Spouse | — | 46 | ~1874 |
Census Appearances
1900
Plymouth, Massachusetts
Other, age 27
Plymouth, Massachusetts · implied b. ~1873
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Johnson |
| Given Name | Maud L. |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Maine |
| Birth Month | Oct |
| Birth Year | 1873 |
| Father's Birthplace | Maine |
| Mother's Birthplace | New Hampshire |
| Occupation | Teacher School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1910
Plymouth, Massachusetts
Spouse, age 37
Plymouth, Massachusetts · implied b. ~1873 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mary F |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Maine |
| Years Married | 11 |
| Children Born | 2 |
| Children Living | 2 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1920
Plymouth, Massachusetts
Spouse, age 46
Plymouth, Massachusetts · implied b. ~1874 — 4 household members
| Surname | Johnson |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 Johnson across 3 US Census years (1900, 1910 and 1920) in Plymouth, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Mary Johnson
Spouse · 1920 · age 46 · b. ~1874 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Plymouth, Massachusetts
Open full size
1920 US Federal Census — Plymouth, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu727unit:0071)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Emma E. Bereig | 49 | Head | Housekeeper | England |
| 52 | Margaret Grehukian | 35 | Head | Shoemaker | Armenia |
| 53 | Hilda Grehukian | 22 | Daughter | — | Armenia |
| 54 | Liberta Grehukian | 2 | Daughter | — | Massachusetts |
| 55 | Alice Grehukian | 1 | Daughter | — | Massachusetts |
| 56 | Ara Grehukian | 0 | Son | — | Massachusetts |
| 57 | Cyrus A. Weldon | 71 | Head | Bookkeeper | Massachusetts |
| 58 | Emma C. Weldon | 70 | Wife | — | Massachusetts |
| 59 | August P. Johnson | 47 | Head | Foreman | Massachusetts |
| 60 | Mary A. Johnson THIS PERSON | 46 | Wife | — | Maine |
| 61 | Eleanor C. Johnson | 19 | Daughter | Bookkeeper | Massachusetts |
| 62 | John S. Johnson | 18 | Son | — | Massachusetts |
| 63 | Fred M. Gammons | 29 | Head | Stitcher | Massachusetts |
| 64 | Kathleen M. Gammons | 29 | Wife | — | Massachusetts |
| 65 | Stearns M. Gammons | 8 | Son | — | California |
| 66 | Randolph B. Gammons | 7 | Son | — | California |
| 67 | Lois D. Gammons | 4 | Daughter | — | Massachusetts |
| 68 | Helen E. Gammons | 2 | Daughter | — | Massachusetts |
| 69 | Roy C. Coombs | 41 | Head | Soleleather | Massachusetts |
| 70 | Madeline D. Coombs | 13 | Daughter | — | Massachusetts |
| 71 | Nellie P. Ryder | 47 | Servant | Servant | Massachusetts |
| 72 | Asenath Ella Alden | 71 | Head | — | Massachusetts |
| 73 | George L. Ellis | 81 | Head | — | Massachusetts |
| 74 | John Kerrigan | 50 | Hired man | Janitor | Ireland |
| 75 | Bridget Kerrigan | 60 | Servant | Servant | Ireland |
| 76 | Helen Nichols | 65 | Head | Servant | Ireland |
| 77 | William H. Bassett | 61 | Head | Carpenter | Massachusetts |
| 78 | Mary L. Bassett | 57 | Wife | — | Massachusetts |
| 79 | Merclain A. Bassett | 20 | Daughter | — | Massachusetts |
| 80 | Helen B. Bassett | 16 | Daughter | — | Massachusetts |
| 81 | Charles P. Jones | 40 | Head | Freight Conductor | Massachusetts |
| 82 | Gladys M. Jones | 29 | Wife | — | Maine |
| 83 | Bessie I. Jones | 7 | Daughter | — | Massachusetts |
| 84 | William B. Burgess | 51 | Head | Edgecutter | Massachusetts |
| 85 | Emily Burgess | 48 | Wife | — | Massachusetts |
| 86 | David H. Burgess | 25 | Son | — | Massachusetts |
| 87 | Madeline R. Burgess | 19 | Daughter | — | Massachusetts |
| 88 | Albert M. Heath | 27 | Head | Vamper | Massachusetts |
| 89 | Agnes M. Heath | 29 | Wife | Sewer | Canada |
| 90 | Helen V. Heath | 2 | Daughter | — | Massachusetts |
| 91 | Arthur Millette | 35 | Lodger | Cutter | Massachusetts |
| 92 | Elsie Millette | 24 | Lodger | Cutter | Massachusetts |
| 93 | Mary E. Lewis | 61 | Head | Servant | Massachusetts |
| 94 | Agnes G. Lewis | 38 | Daughter | Bench Work | Massachusetts |
| 95 | Mary E. Boucher | 52 | Head | Vamper | Massachusetts |
| 96 | Katherine L. Boucher | 46 | Sister | Folder | Massachusetts |
| 97 | Lydia W. Thomas | 63 | Head | — | Massachusetts |
| 98 | Albert V. Thomas | 34 | Son | Road Worker | Massachusetts |
| 99 | C. Alton Porter | 41 | Son-in-law | Electrician | Canada |
| 100 | Isabele B. Porter | 39 | 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)