AR
Anna Ross — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Anna Ross across the 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1907), then head of a 10-person household.
Age 23
b. ~1907
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Ross |
| Given Name | Anna M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Lumber Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Stenographer |
| Township / Ward | Winchester Town |
| Est. Birth Year | ~1907 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Anna | Age | Birth yr |
|---|---|---|---|---|
| Richard Ross | Son | — | 24 | ~1906 |
| Peter Ross | Son | — | 20 | ~1910 |
| Anna Ross | Daughter | — | 23 | ~1907 |
| Mary Ross | Daughter | — | 27 | ~1903 |
| Bernadine Ross | Daughter | — | 15 | ~1915 |
| Barbara Ross | Daughter | — | 4 | ~1926 |
| Peter Ross | Head | — | 51 | ~1879 |
| Annie Ross | Spouse | — | 50 | ~1880 |
| Helen Ross | Daughter | — | 18 | ~1912 |
| Paul Ross | Son | — | 11 | ~1919 |
Census Appearances
1930
Middlesex, Massachusetts
Daughter, age 23
Middlesex, Massachusetts · implied b. ~1907 — 10 household members
| Surname | Ross |
| Given Name | Anna M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Massachusetts |
| Occupation | Stenographer |
| Industry | Lumber Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Spouse, age 33
Middlesex-County, Massachusetts · implied b. ~1907 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Anne |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Anna Ross across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Anna Ross
Daughter · 1930 · age 23 · b. ~1907 · Massachusetts
★ You are viewing this record
Sibling
Richard Ross
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Ross
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Ross
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernadine Ross
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Ross
Sibling · 1930 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Ross
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Ross
Sibling · 1930 · age 18
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:massachusettscensus00reel932:0413)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret M. Murray | 50 | Head | Housework | Massachusetts |
| 2 | Mary F. Murray | 16 | Son | — | Massachusetts |
| 3 | Catherine Murray | 15 | Daughter | — | Massachusetts |
| 4 | Mary Murray | 13 | Daughter | — | Massachusetts |
| 5 | Francis Murray | 9 | Son | — | Massachusetts |
| 6 | Dorothy Murray | 8 | Daughter | — | Massachusetts |
| 7 | Edwin H. Knowlton | 48 | Head | Conductor | Massachusetts |
| 8 | Edith M. Knowlton | 41 | Wife | — | Canada English |
| 9 | Harold Knowlton | 16 | Son | — | Canada English |
| 10 | Bernice P. Knowlton | 14 | Daughter | — | Massachusetts |
| 11 | Knowlton | None | — | — | — |
| 12 | Patrick J. Murphy | 52 | Head | — | Irish Free State |
| 13 | Mary Murphy | 44 | Wife | — | Irish Free State |
| 14 | John J. Murphy | 23 | Son | Laborer | Massachusetts |
| 15 | Helen H. Murphy | 20 | Daughter | Mother'S Helper | Massachusetts |
| 16 | Anne E. Murphy | 17 | Daughter | — | Massachusetts |
| 17 | Margaret Murphy | 14 | Daughter | — | Massachusetts |
| 18 | Peter J. Ross | 51 | Head | Gardener | Irish Free State |
| 19 | Annie E. Ross | 50 | Wife | — | Massachusetts |
| 20 | Mary T. Ross | 27 | Daughter | — | Massachusetts |
| 21 | Richard F. Ross | 24 | Son | — | Massachusetts |
| 22 | Anna M. Ross THIS PERSON | 23 | Daughter | Stenographer | Massachusetts |
| 23 | Peter J. Ross | 20 | Son | Messenger | Massachusetts |
| 24 | Helen G. Ross | 18 | Daughter | — | Massachusetts |
| 25 | Bernadine M. Ross | 15 | Daughter | — | Massachusetts |
| 26 | Paul E. Ross | 11 | Son | — | Massachusetts |
| 27 | Barbara T. Ross | 4 | Daughter | — | Massachusetts |
| 28 | Joseph D'Ambrosio | 40 | Head | — | Italy |
| 29 | Rose M. D'Ambrosio | 36 | Wife | — | Italy |
| 30 | Lucia B. D'Ambrosio | 11 | Daughter | — | Massachusetts |
| 31 | Sylvia D'Ambrosio | 9 | Daughter | — | Massachusetts |
| 32 | Joseph D'Ambrosio | 6 | Son | — | Massachusetts |
| 33 | Simon Poney | 61 | Head | — | Canada English |
| 34 | Mary J. Poney | 63 | Wife | — | Newfoundland |
| 35 | Clarence W. Poney | 35 | Son | Chauffeur | Massachusetts |
| 36 | John M. Poney | 23 | Son | Painter | Massachusetts |
| 37 | Charles L. Poney | 20 | Son | — | Massachusetts |
| 38 | Leo F. Keefe | 26 | Son-in-law | Engineer | Massachusetts |
| 39 | Edna M. Keefe | 29 | Daughter | — | Massachusetts |
| 40 | Mary Mccall | 38 | Head | — | Massachusetts |
| 41 | Edward Mccall | 15 | Son | Order Boy | Massachusetts |
| 42 | Virginia Mccall | 14 | Daughter | — | Massachusetts |
| 43 | Alma M. Mccall | 12 | Daughter | — | Massachusetts |
| 44 | Doris E. Mccall | 10 | Daughter | — | Massachusetts |
| 45 | Margaret M. Mccall | 8 | Daughter | — | Massachusetts |
| 46 | Alfred Mccall | 7 | Son | — | Massachusetts |
| 47 | William Mccall | 5 | Son | — | Massachusetts |
| 48 | Robert Mccall | 3 | Son | — | Massachusetts |
| 49 | Thomas J. Mcmahon | 48 | Head | Telegrapher | Massachusetts |
| 50 | Mary E. Mcgrath | 40 | Head | Laundress | 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)