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Mary Grimes — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Mary Grimes across the 1910 and 1920 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1903), then head of a 7-person household.
Age 17
b. ~1903
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Essex, Massachusetts |
| Surname | Grimes |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| 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 | Salem City |
| Est. Birth Year | ~1903 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Grimes | Spouse | — | 42 | ~1878 |
| Ruth Grimes | Daughter | — | 5 | ~1915 |
| Arthur Grimes | Head | — | 43 | ~1877 |
| Edith Grimes | Daughter | — | 10 | ~1910 |
| Edna Grimes | Daughter | — | 3 | ~1917 |
| Mary Grimes | Daughter | — | 17 | ~1903 |
| Arthur Grimes | Son | — | 20 | ~1900 |
Census Appearances
1910
Essex, Massachusetts
Daughter, age 7
Essex, Massachusetts · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grimes |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Essex, Massachusetts
Daughter, age 17
Essex, Massachusetts · implied b. ~1903 — 7 household members
| Surname | Grimes |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| 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 Grimes across 2 US Census years (1910 and 1920) in Essex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Grimes
Daughter · 1920 · age 17 · b. ~1903 · Massachusetts
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Sibling
Arthur Grimes
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Grimes
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Grimes
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Grimes
Sibling · 1920 · age 3
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 — Essex, Massachusetts
Open full size
1920 US Federal Census — Essex, Massachusetts
Page Contents
49 people indexed on this census page (ia:1920:14thcensusofpopu697unit:0403)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary Clancy | 14 | Daughter | — | Massachusetts |
| 52 | Josephine Clancy | 12 | Daughter | — | Massachusetts |
| 53 | Richard Clancy | 8 | Son | — | Massachusetts |
| 54 | Frank Peters | 27 | Head | Window Washer | Massachusetts |
| 55 | Margaret Peters | 26 | Wife | — | Massachusetts |
| 56 | Frank J. Peters | 5 | Son | — | Massachusetts |
| 57 | John Martin | 23 | Boarder | Window Washer | Massachusetts |
| 58 | Mary Martin | 25 | Boarder | Tester | Massachusetts |
| 59 | Ralph Peters | 17 | Nephew | Shoe Cutter | Massachusetts |
| 60 | Ellen Leery | 58 | Head | — | Ireland |
| 61 | J. Arthur Leery | 22 | Son | Asst Druggist | Massachusetts |
| 62 | B. Matthew Leery | 20 | Son | Chauffeur | Massachusetts |
| 63 | Helen J. Leery | 18 | Daughter | Solderer | Massachusetts |
| 64 | James Cullen | 22 | Head | Teamster | Massachusetts |
| 65 | Effie Cullen | 22 | Wife | — | Massachusetts |
| 66 | James A. Cullen | 1 | Son | — | Massachusetts |
| 67 | George Collins | 27 | Head | Shoe Cutter | Massachusetts |
| 68 | Gertrude Collins | 26 | Wife | — | Massachusetts |
| 69 | Alfred Collins | 1 | Son | — | Massachusetts |
| 70 | Milo Roberts | 36 | Head | Yard Foreman | Indiana |
| 71 | Chester Roberts | 10 | Son | — | Massachusetts |
| 72 | Helen Roberts | 8 | Daughter | — | Massachusetts |
| 73 | Paul Roberts | 4 | Son | — | Massachusetts |
| 74 | Kenneth Roberts | 1 | Son | — | Massachusetts |
| 75 | Arthur Grimes | 43 | Head | Sorter | Massachusetts |
| 76 | Mary Grimes | 42 | Wife | — | Massachusetts |
| 77 | Arthur J. Grimes | 20 | Son | Laborer | Massachusetts |
| 78 | Mary A. Grimes THIS PERSON | 17 | Daughter | — | Massachusetts |
| 79 | Edith Grimes | 10 | Daughter | — | Massachusetts |
| 80 | Ruth Grimes | 5 | Daughter | — | Massachusetts |
| 81 | Edna Grimes | 3 | Daughter | — | Massachusetts |
| 82 | Emma H. Greene | 73 | Head | — | Massachusetts |
| 83 | Horace Wood Greene | 68 | Brother | Retired | Massachusetts |
| 84 | Harriet F. Porter | 75 | Sister | — | Massachusetts |
| 85 | Charles H. Merrill | 65 | Head | Janitor | Maine |
| 86 | Caroline S. Merrill | 60 | Wife | — | Massachusetts |
| 87 | Harriet Merrill | 35 | Daughter | Musician | Massachusetts |
| 88 | David J. Lonergan | 54 | Head | Cleaner | Ireland |
| 89 | Catherine Lonergan | 53 | Wife | — | Ireland |
| 90 | Bessie N. Lonergan | 19 | Daughter | Bookkeeper | Massachusetts |
| 91 | Carroll W. Kelley | 25 | Son-in-law | Bookkeeper | Maine |
| 92 | J. Catherine Kelley | 22 | Daughter | — | Massachusetts |
| 93 | Arline M. Kelley | 2 | Granddaughter | — | Massachusetts |
| 94 | Catherine M. Kelley | 0 | Granddaughter | — | Massachusetts |
| 95 | Eli Chalifour | 59 | Head | Carpenter | Canada |
| 96 | Viola French | 26 | Daughter | — | Massachusetts |
| 97 | Harvey French | 6 | Grandson | — | Massachusetts |
| 98 | Chester French | 5 | Grandson | — | Massachusetts |
| 99 | George French | 2 | Grandson | — | 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)