MG
Mary Gardner — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Gardner across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1856), then head of a 4-person household.
Age 74
b. ~1856
Female
Head
Born: Maine
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Gardner |
| Given Name | Mary J. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | R |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Township / Ward | Malden |
| Est. Birth Year | ~1856 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Florence Gardner | Daughter | — | 48 | ~1882 |
| Mary Gardner | Head | — | 74 | ~1856 |
| Blanche Baldwin | Other | — | 52 | ~1878 |
| Laura Brooks | Other | — | 63 | ~1867 |
Census Appearances
1910
Middlesex, Massachusetts
Spouse, age 54
Middlesex, Massachusetts · implied b. ~1856 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | Mary J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Maine |
| Years Married | 35 |
| Children Born | 2 |
| Children Living | 2 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1920
Middlesex, Massachusetts
Spouse, age 64
Middlesex, Massachusetts · implied b. ~1856 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| 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 |
1930
Middlesex, Massachusetts
Head, age 74
Middlesex, Massachusetts · implied b. ~1856 — 4 household members
| Surname | Gardner |
| Given Name | Mary J. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | R |
| 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 Gardner across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Mary Gardner
Head · 1930 · age 74 · b. ~1856 · 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 — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel922:1021)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nellie Murphy | 40 | Head | — | New York |
| 2 | Mary R. Murphy | 22 | Daughter | Clerk | Massachusetts |
| 3 | Hugh Macdermott | 45 | Lodger | Steam Fitter | Ireland |
| 4 | Mary E. Richerson | 61 | Head | — | Massachusetts |
| 5 | Dorothy G. Lindsey | 20 | Daughter | Saleswoman | Massachusetts |
| 6 | Flora Gavin | 34 | Lodger | Waitress | Massachusetts |
| 7 | Irene Gavin | 5 | Lodger | — | Massachusetts |
| 8 | Ernest Clark | 36 | Lodger | Cook | Massachusetts |
| 9 | Viginia Clark | 38 | Lodger | — | New York |
| 10 | Walter C. Moore | 71 | Head | Packer | Massachusetts |
| 11 | Elizabeth L. Moore | 65 | Wife-H | — | Massachusetts |
| 12 | Howard L. Smith | 46 | Son | Carpenter | Massachusetts |
| 13 | Hazel M. Smith | 26 | Daughter | — | Massachusetts |
| 14 | Barbara G. Smith | 6 | Daughter | — | Massachusetts |
| 15 | Mary J. Gardner THIS PERSON | 74 | Head | — | Maine |
| 16 | Florence L. Gardner | 48 | Daughter | Teacher | Massachusetts |
| 17 | Blanche Baldwin | 52 | Lodger | Teacher | Massachusetts |
| 18 | Laura L. Brooks | 63 | Lodger | — | Maine |
| 19 | Herbert L. Bowen | 39 | Head | Manager | Massachusetts |
| 20 | Isabell E. Bowen | 46 | Wife-H | — | Massachusetts |
| 21 | Herbert L. Jr. Bowen | 14 | Son | — | Massachusetts |
| 22 | Rita Bowen | 12 | Daughter | — | Massachusetts |
| 23 | Robert O. Bowen | 5 | Son | — | Massachusetts |
| 24 | Nora A. Chase | 64 | Head-H | — | Maine |
| 25 | Roscoe M. Chase | 35 | Son | Electrician | Maine |
| 26 | Helen W. Chase | 33 | Daughter | Nurse | Maine |
| 27 | Angie F. Lighton | 83 | Sister | — | Maine |
| 28 | James J. Mcgrath | 48 | Head | Chauffeur | Massachusetts |
| 29 | Pearl D. Mcgrath | 46 | Wife-H | — | Massachusetts |
| 30 | James F. Simmons | 58 | Head | Cook | Virginia |
| 31 | Harriet Simmons | 56 | Wife-H | — | Canada English |
| 32 | Frank H. Claudman | 42 | Head | Engineer | New Hampshire |
| 33 | Margaret Claudman | 36 | Wife-H | — | Maine |
| 34 | Frank L. Claudman | 15 | Son | — | Massachusetts |
| 35 | Cantello Barbrick | 62 | Head | Clerk | Canada English |
| 36 | Goldie Barbrick | 24 | Daughter | Operator | Massachusetts |
| 37 | Daniel Carter | 58 | Head | Carpenter | Canada English |
| 38 | Bertha Carter | 45 | Wife-H | — | Canada English |
| 39 | Louise Carter | 19 | Daughter | Waitress | Canada English |
| 40 | Daniel C. Carter | 17 | Son | Clerk | Canada English |
| 41 | Evelyn F. Carter | 15 | Daughter | — | Canada English |
| 42 | Raymond Carter | 13 | Son | — | Canada English |
| 43 | Bertha M. Carter | 10 | Daughter | — | Canada English |
| 44 | William J. Carter | 7 | Son | — | Canada English |
| 45 | Margaret Carter | 5 | Daughter | — | Massachusetts |
| 46 | William Healy | 60 | Lodger | Salesman | Maine |
| 47 | Charles D. Bent | 63 | Head | — | Vermont |
| 48 | Stella J. Bent | 55 | Wife-H | — | Vermont |
| 49 | Frederick Bent | 18 | Son | Electrician | Vermont |
| 50 | John H. Cronin | 39 | Lodger | — | Massachusetts |
Related Census Records
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)