GC
Grace Clark — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Grace Clark across the 1900, 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1866), then head of a 3-person household.
Age 54
b. ~1866
Female
Spouse
Born: Maine
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Clark |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| 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 | Lowell City |
| Est. Birth Year | ~1866 |
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.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Grace Clark | Spouse | — | 54 | ~1866 |
| Samuel Clark | Head | — | 58 | ~1862 |
| Harold Clark | Son | — | 12 | ~1908 |
Census Appearances
1900
Middlesex, Massachusetts
Spouse, age 29
Middlesex, Massachusetts · implied b. ~1871 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Grace A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Maine |
| Birth Month | Feb |
| Birth Year | 1871 |
| 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 |
1910
Middlesex, Massachusetts
Spouse, age 42
Middlesex, Massachusetts · implied b. ~1868 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maine |
| Years Married | 13 |
| Children Born | 3 |
| Children Living | 1 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1920
Middlesex, Massachusetts
Spouse, age 54
Middlesex, Massachusetts · implied b. ~1866 — 3 household members
| Surname | Clark |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| 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 Grace Clark across 3 US Census years (1900, 1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Grace Clark
Spouse · 1920 · age 54 · b. ~1866 · 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 — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu711unit:0208)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary | 51 | — | — | Massachusetts |
| 52 | Virginia | 21 | — | Inspector | Massachusetts |
| 53 | Catherine | 14 | — | — | Massachusetts |
| 54 | John | 12 | — | — | Massachusetts |
| 55 | Edward | 11 | — | — | Massachusetts |
| 56 | Thomas Bourke | 40 | Head | Machinist | Ireland |
| 57 | Mary Bourke | 40 | Wife | — | England |
| 58 | Catherine Bourke | 15 | Daughter | — | Massachusetts |
| 59 | Agnes Bourke | 9 | Daughter | — | Massachusetts |
| 60 | John Mcclain | 45 | Head | Laborer | Ireland |
| 61 | Mary Mcclain | 45 | Wife | — | Ireland |
| 62 | Edward Larby | 76 | Head | Machinist | Massachusetts |
| 63 | Julia Larby | 72 | Wife | Draw Tender | Massachusetts |
| 64 | Florence Larby | 17 | Daughter | — | Massachusetts |
| 65 | Hector Larby | 12 | Son | — | Massachusetts |
| 66 | Margaret Dubuque | 54 | Head | — | Canada |
| 67 | Grace Dubuque | 25 | Daughter | Cutter | Massachusetts |
| 68 | Joseph Dubuque | 22 | Son | Belt Boy | Massachusetts |
| 69 | Ida Dubuque | 19 | Daughter | Operator | Massachusetts |
| 70 | Dorothy Dubuque | 17 | Daughter | Quiller | Massachusetts |
| 71 | Mildred Dubuque | 15 | Daughter | — | Massachusetts |
| 72 | Rufus Russell | 55 | Head | Wheelwright | New Hampshire |
| 73 | Francis Russell | 13 | Son | — | Massachusetts |
| 74 | Francis Bright | 60 | Boarder | Estimator | Maine |
| 75 | Mina Bright | 60 | Boarder | — | New Hampshire |
| 76 | Patrick Doyle | 52 | Head | Mason | Ireland |
| 77 | Margaret Doyle | 54 | Wife | — | Ireland |
| 78 | Sarah Mccormack | 50 | Roomer | Carder | Massachusetts |
| 79 | Melville Moore | 39 | Head | Machinist | Massachusetts |
| 80 | Katherine Moore | 28 | Wife | — | Ireland |
| 81 | Ethel Moore | 8 | Daughter | — | Massachusetts |
| 82 | John Plante | 59 | Head | Carpenter | Canada |
| 83 | Eugenia Plante | 40 | Wife | — | Canada |
| 84 | Henry Markee | 58 | Head | Machinist | Massachusetts |
| 85 | Cora Markee | 53 | Wife | — | Massachusetts |
| 86 | Edward Markee | 21 | Son | Machinist | Massachusetts |
| 87 | Annie Tobin | 56 | Head | — | Ireland |
| 88 | Mary Tobin | 25 | Daughter | Stenographer | Massachusetts |
| 89 | George Tobin | 24 | Son | Electrician | Massachusetts |
| 90 | Ruth Tobin | 24 | Daughter | Stitcher | Massachusetts |
| 91 | Alice Tobin | 21 | Daughter | Stitcher | Massachusetts |
| 92 | Samuel Clark | 58 | Head | Machinist | Canada |
| 93 | Grace Clark THIS PERSON | 54 | Wife | — | Maine |
| 94 | Harold Clark | 12 | Son | — | Massachusetts |
| 95 | William Manning | 41 | Head | Machinist | Massachusetts |
| 96 | Elizabeth Manning | 38 | Wife | — | Ireland |
| 97 | William Manning | 17 | Son | Machinist | Massachusetts |
| 98 | Mary Manning | 15 | Daughter | — | Massachusetts |
| 99 | Veronica Manning | 15 | Daughter | — | Massachusetts |
| 100 | Leo Manning | 10 | Son | — | 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)