MD
Mary Day — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Mary Day across the 1900, 1910, 1920 and 1930 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1854), then head of a 3-person household.
Age 76
b. ~1854
Female
Head
Born: Massachusetts
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, Massachusetts |
| Surname | Day |
| Given Name | Mary F. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 76 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Radio Set | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Gloucester City |
| Est. Birth Year | ~1854 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Day | Head | — | 76 | ~1854 |
| Mabel Day | Other | — | 56 | ~1874 |
| Alfred Day | Son | — | 48 | ~1882 |
Census Appearances
1900
Essex, Massachusetts
Head, age 45
Essex, Massachusetts · implied b. ~1855 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Birth Month | Oct |
| Birth Year | 1855 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Dressmaker |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1910
Essex, Massachusetts
Spouse, age 53
Essex, Massachusetts · implied b. ~1857 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | Mary F. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Years Married | 37 |
| Children Born | 5 |
| Children Living | 3 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Dressmaker |
| Industry | Home |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Essex, Massachusetts
Spouse, age 61
Essex, Massachusetts · implied b. ~1859 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | Mary H |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| 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 |
1930
Essex, Massachusetts
Head, age 76
Essex, Massachusetts · implied b. ~1854 — 3 household members
| Surname | Day |
| Given Name | Mary F. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 76 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Radio Set | R |
| 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 Day across 4 US Census years (1900, 1910, 1920 and 1930) in Essex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Day
Head · 1930 · age 76 · b. ~1854 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Essex, Massachusetts
Open full size
1930 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel896:0342)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank F. Smith | 65 | Head | Merchant | Massachusetts |
| 2 | Lucy S. Smith | 64 | Wife-H | — | Massachusetts |
| 3 | Emma C. Farr | 78 | Head | — | Massachusetts |
| 4 | Isabel H. Baxter | 74 | Sister | — | Massachusetts |
| 5 | Charles J. Haberle | 67 | Head | Foreman-Garage | Wisconsin |
| 6 | Harriett K. Haberle | 58 | Wife-H | — | Canada-English |
| 7 | Charles J. Jr. Haberle | 19 | Son | — | Massachusetts |
| 8 | Ella C. Tappan | 68 | Head | — | Massachusetts |
| 9 | Josephine M. Boorman | 20 | Maid | Maid | Massachusetts |
| 10 | George M. Campbell | 63 | Head | — | New York |
| 11 | Mary A. Campbell | 62 | Wife-H | — | Massachusetts |
| 12 | Benjamin A. Hutchins | 69 | Head | Manager | Massachusetts |
| 13 | Emily S. Hutchins | 53 | Wife-H | — | Massachusetts |
| 14 | James P. Hutchins | 17 | Son | Messenger | Massachusetts |
| 15 | William C. Kast | 51 | Head | Proprietor | Massachusetts |
| 16 | Ethel Kast | 50 | Wife-H | — | Massachusetts |
| 17 | Margaret A. Kast | 15 | Daughter | — | Massachusetts |
| 18 | Clarissa E. Kast | 11 | Daughter | — | Massachusetts |
| 19 | Clayton R. Smith | 51 | Head | Assistant Postmaster | Massachusetts |
| 20 | Gleora B. Smith | 48 | Wife-H | — | Massachusetts |
| 21 | Mary F. Day THIS PERSON | 76 | Head | — | Massachusetts |
| 22 | Mabel D. Day | 56 | Wife-H?|Daughter | — | Massachusetts |
| 23 | Alfred C. Day | 48 | Son | Book-Keeper | Massachusetts |
| 24 | John Q. Freeman | 67 | Head | Foreman | Massachusetts |
| 25 | Minnie W. Freeman | 65 | Wife-H | — | Massachusetts |
| 26 | Patrick E. Curley | 48 | Head | Assistant Inspector | Massachusetts |
| 27 | Maude D. Curley | 49 | Wife-H | — | Massachusetts |
| 28 | Ella F. Dorman | 70 | Mother-law | — | Massachusetts |
| 29 | Mabel Lane | 59 | Boarder | Teacher | Massachusetts |
| 30 | Jacob C. Schantz | 46 | Head | Heater | Germany |
| 31 | Mary E. Schantz | 44 | Wife-H | — | Massachusetts |
| 32 | Margaret E. Schantz | 2 | Daughter | — | Massachusetts |
| 33 | Dorothy F. Bagley | 23 | Head-H | — | Massachusetts |
| 34 | Arthur G. Tuffts | 25 | Head | Salesman | Michigan |
| 35 | Edith A. Tuffts | 25 | Wife-H | — | Massachusetts |
| 36 | June E. Tuffts | 2 | Daughter | — | Michigan |
| 37 | Charles A. Lewis | 63 | Father-law | Laborer | Canada-English |
| 38 | Elliott C. Lewis | 21 | Brother-law | Clerk-Helper | Massachusetts |
| 39 | Kiala A. Knowles | 37 | Head-H | — | Canada-English |
| 40 | Parker B. Knowles | 19 | Son | Shipper | Massachusetts |
| 41 | Betty D. Knowles | 15 | Daughter | — | Massachusetts |
| 42 | Sheldon O. Knowles | 14 | Son | — | Massachusetts |
| 43 | Florence F. Knowles | 11 | Daughter | — | Massachusetts |
| 44 | Harriett P. Knowles | 10 | Daughter | — | Massachusetts |
| 45 | Roberta A. Knowles | 7 | Daughter | — | Massachusetts |
| 46 | Janice L. Knowles | 6 | Daughter | — | Massachusetts |
| 47 | William Seed | 53 | Head | Fisherman | Canada-English |
| 48 | Mary L. Seed | 52 | Wife-H | — | Massachusetts |
| 49 | Mildred C. Seed | 21 | Daughter | Stenographer | Massachusetts |
| 50 | Katherine H. Mccarthy | 39 | Sister-law | Book-Keeper | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)