MA
Mary Andrews — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Andrews across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents William & George — first a daughter (b.~1909), then head of a 5-person household.
Age 21
b. ~1909
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Andrews |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Hairdresser |
| Industry | Beauty parlor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Hairdresser |
| Township / Ward | Watertown Town |
| Est. Birth Year | ~1909 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Andrews | Daughter | — | 21 | ~1909 |
| William Andrews | Head | — | 61 | ~1869 |
| Elizabeth Smith | Other | — | 60 | ~1870 |
| Joseph Andrews | Son | — | 19 | ~1911 |
| John Andrews | Son | — | 17 | ~1913 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 3
Middlesex, Massachusetts · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Andrews |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 12
Middlesex, Massachusetts · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Andrews |
| Given Name | Mary H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| 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 |
1930
Middlesex, Massachusetts
Daughter, age 21
Middlesex, Massachusetts · implied b. ~1909 — 5 household members
| Surname | Andrews |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Hairdresser |
| Industry | Beauty parlor |
| Class of Worker | W |
| Can Read/Write | 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 Andrews across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father William Andrews (~0.92 confidence) and father George Andrews (~0.92 confidence) and father George Andrews (~0.92 confidence) and mother Lillian Andrews (~0.92 confidence) and mother Susannah Andrews (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Andrews
b. ~1869
Source father
● Household
· direct · ~0.92
Father
George Andrews
b. ~1871
Source father
● Household
· direct · ~0.92
Father
George Andrews
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Lillian Andrews
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Susannah Andrews
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Andrews
Daughter · 1930 · age 21 · b. ~1909 · Massachusetts
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Sibling
Joseph Andrews
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Andrews
Sibling · 1930 · age 17
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
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:massachusettscensus00reel931:0430)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Catherine Mara | 54 | Roomer | Clerk | Massachusetts |
| 52 | Louis R. Brown | 33 | Roomer | Bricklayer | Texas |
| 53 | Hannah Gallagher | 65 | Head | — | Irish Free State |
| 54 | James Gallagher | 43 | Son | Attorney | Massachusetts |
| 55 | Ellen Hannam | 72 | Servant | Maid | Irish Free State |
| 56 | Esther Muenery | 35 | Head | Rooming House Keeper | Maine |
| 57 | James W. Dunlap | 64 | Roomer | Salesman | Massachusetts |
| 58 | Charles J. Dunlap | 59 | Roomer | Assistant Cook | Massachusetts |
| 59 | William Lake | 51 | Roomer | Salesman | New York |
| 60 | Andrew Glynn | 50 | Roomer | Laborer | Massachusetts |
| 61 | Clarence Hilton | 18 | Roomer | Glazier | Canada-Eng |
| 62 | John Rooney | 32 | Roomer | Bus Repairman | Massachusetts |
| 63 | Arthur West | 57 | Roomer | Chauffeur | Massachusetts |
| 64 | William J. Glover | 42 | Roomer | Athletic Coach | Canada-Eng |
| 65 | Daniel Meehan | 37 | Roomer | Erects Signs | Maine |
| 66 | Catherine Meehan | 35 | Roomer | — | Maine |
| 67 | Royal Barris | 49 | Roomer | Letter Carrier | New Hampshire |
| 68 | Mabel Barris | 46 | Roomer | — | Canada-Fr |
| 69 | Bridget Macsweeney | 29 | Roomer | Stitcher | Ireland |
| 70 | Cornelius Donnelly | 68 | Head | — | Massachusetts |
| 71 | Elizabeth Donnelly | 67 | Wife-H | — | Canada-Eng |
| 72 | Helen Donnelly | 36 | Daughter | Music Teacher | Massachusetts |
| 73 | John E. Deanne | 30 | Head | Operator | Massachusetts |
| 74 | Ellen Deanne | 31 | Wife-H | — | Massachusetts |
| 75 | Anna F. Deanne | 6 | Daughter | — | Massachusetts |
| 76 | Mary H. Deanne | 3 | Daughter | — | Massachusetts |
| 77 | Elizabeth Deanne | 2 | Daughter | — | Massachusetts |
| 78 | Francis J. Deanne | 0 | Son | — | Massachusetts |
| 79 | John Jamgochian | 50 | Head | Store Owner | Armenia |
| 80 | Alena Jamgochian | 48 | Wife-H | — | Armenia |
| 81 | Michael J. Kelley | 71 | Head | Physician | Ireland |
| 82 | Sarah J. Kelley | 45 | Wife-H | — | Massachusetts |
| 83 | Gertrude M. Kelley | 42 | Daughter | Technician | Massachusetts |
| 84 | Bernard P. Tannex | 36 | Head | Janitor | Massachusetts |
| 85 | Margaret Tannex | 35 | Wife-H | — | Ireland |
| 86 | Margaret E. Tannex | 11 | Daughter | — | Massachusetts |
| 87 | Joseph E. Burns | 70 | Head | — | Massachusetts |
| 88 | Catherine Burns | 70 | Wife-H | — | Massachusetts |
| 89 | William Andrews | 61 | Head | Undertaker | Massachusetts |
| 90 | Mary Andrews THIS PERSON | 21 | Daughter | Hairdresser | Massachusetts |
| 91 | Joseph A. Andrews | 19 | Son | — | Massachusetts |
| 92 | John Andrews | 17 | Son | — | Massachusetts |
| 93 | Elizabeth Smith | 60 | Servant | Housekeeper | Maine |
| 94 | Frank Arigo | 33 | Head | Floor Layer | Italy |
| 95 | Concetta Arigo | 26 | Wife-H | — | Italy |
| 96 | Josephine Arigo | 4 | Daughter | — | Massachusetts |
| 97 | Grace Arigo | 2 | Daughter | — | Massachusetts |
| 98 | Annie Mcswain | 54 | Head | — | Maine |
| 99 | Carleton Mcswain | 30 | Son | Machinist | Massachusetts |
| 100 | Dorothy Mcswain | 28 | Daughter | Machine Operator | Massachusetts |
Related Census Records
Pedigree Summary
Mary + 2 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)