MR
Mary Roach — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Plymouth, Massachusetts
Our Model Tree links this Mary Roach across the 1930 and 1940 US Censuses in Plymouth, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1873), then head of a 7-person household.
Age 57
b. ~1873
Female
Spouse
Born: Irish Free State
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Plymouth, Massachusetts |
| Surname | Roach |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| Naturalization Status | Naturalized |
| Year of Immigration | 1890 |
| Age at First Marriage | 25 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birthplace (normalized) | irish free state |
| Township / Ward | Brockton City |
| Est. Birth Year | ~1873 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Roach | Daughter | — | 29 | ~1901 |
| M Roach | Daughter | — | 4 | ~1926 |
| Emma Roach | Daughter | — | 26 | ~1904 |
| Ellen Roach | Daughter | — | 15 | ~1915 |
| Eugene Roach | Head | — | 70 | ~1860 |
| Francis Roach | Son | — | 24 | ~1906 |
| Mary Roach | Spouse | — | 57 | ~1873 |
Census Appearances
1930
Plymouth, Massachusetts
Spouse, age 57
Plymouth, Massachusetts · implied b. ~1873 — 7 household members
| Surname | Roach |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| Naturalization Status | Naturalized |
| Year of Immigration | 1890 |
| Age at First Marriage | 25 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birthplace (normalized) | irish free state |
1940
Plymouth-County, Massachusetts
Head, age 67
Plymouth-County, Massachusetts · implied b. ~1873 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roache |
| Given Name | Mary A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Widowed |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Brockton |
| 1935 Residence (County) | Plymouth |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same Place |
| Birthplace (normalized) | irish free state |
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 Roach across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Roach
Spouse · 1930 · age 57 · b. ~1873 · 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 — Plymouth, Massachusetts
Open full size
1930 US Federal Census — Plymouth, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel939:0887)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thomas H Hunter | 18 | Son | — | Massachusetts |
| 52 | Edith V Hunter | 15 | Daughter | — | Massachusetts |
| 53 | Mary G Audley | 33 | Lodger | Stitcher | Massachusetts |
| 54 | John Procopio | 32 | Head | Foreman | Italy |
| 55 | Rose Procopio | 23 | Wife | Skiver | Italy |
| 56 | Clementina Procopio | 4 | Daughter | — | Massachusetts |
| 57 | Verna Procopio | 2 | Daughter | — | Massachusetts |
| 58 | Verna Clementina | 73 | Mother | — | Italy |
| 59 | George W Bamford | 26 | Head | Plumbing | Massachusetts |
| 60 | Constance H Bamford | 26 | Wife | — | Massachusetts |
| 61 | Horace W Bamford | 1 | Son | — | Massachusetts |
| 62 | Ernest F Bamford | 45 | Head | Stitcher | England |
| 63 | Frances A Bamford | 45 | Wife | — | Massachusetts |
| 64 | William E Bamford | 12 | Son | — | Massachusetts |
| 65 | Robert L Bamford | 8 | Son | — | Massachusetts |
| 66 | Edward B Anderson | 29 | Head | Burnisher | Connecticut |
| 67 | Hilda C Anderson | 25 | Wife | — | Massachusetts |
| 68 | Marilyn Anderson | 3 | Daughter | — | Massachusetts |
| 69 | William Nelson | 62 | Head | Shipper | England |
| 70 | Elizabeth E Nelson | 62 | Wife | — | England |
| 71 | Thomas White | 70 | Head | Cobbler | England |
| 72 | Sarah E White | 67 | Wife | — | England |
| 73 | William Patridge | 60 | Head | Machine Operator | England |
| 74 | Mary E Patridge | 57 | Wife | — | England |
| 75 | Ernest Bamford | 53 | Head | Laborer | England |
| 76 | Ellen Bamford | 51 | Wife | — | England |
| 77 | Eloise Bamford | 30 | Daughter | Clerk | England |
| 78 | Raymond L Brebner | 29 | Head | Buyer | Massachusetts |
| 79 | Katherine E Brebner | 28 | Wife | — | Massachusetts |
| 80 | Betty L Brebner | 4 | Daughter | — | Massachusetts |
| 81 | Catherine F Murphy | 46 | Head | Saleslady | Massachusetts |
| 82 | Mary L Murphy | 24 | Daughter | Bookkeeper | Massachusetts |
| 83 | Stephen N Murphy | 30 | Son | Saleslady | Massachusetts |
| 84 | Eugene F Roach | 70 | Head | Model Maker | Massachusetts |
| 85 | Mary A Roach THIS PERSON | 57 | Wife | — | Irish Free State |
| 86 | Elizabeth M Roach | 29 | Daughter | Trimmer | Massachusetts |
| 87 | Emma Mary H Roach | 26 | Daughter | Stenographer | Massachusetts |
| 88 | M. Edna Roach | 4 | Daughter | — | Massachusetts |
| 89 | Francis J Roach | 24 | Son | Steam Fitter | Massachusetts |
| 90 | Ellen E Roach | 15 | Daughter | — | Massachusetts |
| 91 | Harry Green | 33 | Head | Inspector | England |
| 92 | Elsie Green | 35 | Wife | — | England |
| 93 | Ronald M Green | 1 | Son | — | Massachusetts |
| 94 | Thomas Dixon | 56 | Head | Weaver | England |
| 95 | Elizabeth Dixon | 54 | Wife | — | England |
| 96 | Guy Higgins | 50 | Head | Stitcher | Massachusetts |
| 97 | Cordella F Higgins | 20 | Daughter | Nurse | Massachusetts |
| 98 | Edward Higgins | 18 | Son | Shipping | Massachusetts |
| 99 | Lucia Higgins | 17 | Daughter | Examiner | Massachusetts |
| 100 | Richard T Perkins | 27 | Head | Chauffeur | 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)