WA
William Alexander — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this William Alexander across the 1900, 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1854), then head of a 7-person household.
Age 76
b. ~1854
Male
Head
Born: Scotland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Alexander |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 76 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1888 |
| Age at First Marriage | 20 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | Watchman |
| Industry | Storage Warehouse |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 5500 |
| Radio Set | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Watchman |
| Township / Ward | Somerville 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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Alexander | Head | — | 76 | ~1854 |
| Bruce Alexander | Other | — | 23 | ~1907 |
| Anna Alexander | Other | — | 16 | ~1914 |
| Jessie Alexander | Other | — | 79 | ~1851 |
| Florence Alexander | Other | — | 42 | ~1888 |
| Edward Alexander | Other | — | 10 | ~1920 |
| William Alexander | Son | — | 44 | ~1886 |
Census Appearances
1900
Middlesex, Massachusetts
Head, age 44
Middlesex, Massachusetts · implied b. ~1856 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Scotland |
| Birth Month | Feb |
| Birth Year | 1856 |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Box Shop |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1910
Middlesex, Massachusetts
Head, age 54
Middlesex, Massachusetts · implied b. ~1856 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Scotland |
| Years Married | 35 |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Stamper |
| Industry | Bleachery |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1920
Middlesex, Massachusetts
Head, age 65
Middlesex, Massachusetts · implied b. ~1855 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Operative |
| Industry | Woolen Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Scotland |
| Year of Naturalization | 1885 |
| Birthplace (normalized) | scotland |
1930
Middlesex, Massachusetts
Head, age 76
Middlesex, Massachusetts · implied b. ~1854 — 7 household members
| Surname | Alexander |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 76 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1888 |
| Age at First Marriage | 20 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Watchman |
| Industry | Storage Warehouse |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 5500 |
| Radio Set | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 William Alexander across 4 US Census years (1900, 1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
William Alexander
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 — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel928:0457)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Abby F. Gage | 71 | Sister | — | Massachusetts |
| 2 | Lawrence Pellegrini | 51 | Head | Painter | Italy |
| 3 | Victoria Pellegrini | 48 | Wife-H | — | Italy |
| 4 | Mario Pellegrini | 20 | Son | — | Pennsylvania |
| 5 | Clara Pellegrini | 18 | Daughter | — | Pennsylvania |
| 6 | William Wilson | 38 | Head | Chauffeur | New Hampshire |
| 7 | Mary Wilson | 27 | Wife-H | Feeder | Massachusetts |
| 8 | Arlene Wilson | 6 | Daughter | — | Massachusetts |
| 9 | Alphonse Bernard | 48 | Head | Truck Driver | New Hampshire |
| 10 | Sadie Bernard | 48 | Wife-H | — | Canada English |
| 11 | William Alexander THIS PERSON | 76 | Head | Watchman | Scotland |
| 12 | Jessie Alexander | 79 | Wife-H | — | Scotland |
| 13 | William Jr. Alexander | 44 | Son | Chauffeur | Scotland |
| 14 | Florence Alexander | 42 | Daughter-in-law | — | England |
| 15 | Bruce L. Alexander | 23 | Grandson | Chauffeur | Massachusetts |
| 16 | Anna J. Alexander | 16 | Daughter-in-law | — | Massachusetts |
| 17 | Edward Alexander | 10 | Grandson | — | Massachusetts |
| 18 | Joseph N. Woods | 43 | Head | Plasterer | Massachusetts |
| 19 | Marguerite M. Woods | 37 | Wife-H | Nurse | Massachusetts |
| 20 | Alfred R. Woods | 21 | Son | General Work | Massachusetts |
| 21 | Harold G. Glimes | 35 | Head | Chauffeur | Massachusetts |
| 22 | Ida Glimes | 36 | Wife-H | — | Massachusetts |
| 23 | Myrtle Glimes | 13 | Daughter | — | Massachusetts |
| 24 | Ruth Glimes | 9 | Daughter | — | Massachusetts |
| 25 | Grace Smith | 40 | Lodger | Bookkeeper | Massachusetts |
| 26 | Ethel C. Hammer | 46 | Head | — | Massachusetts |
| 27 | Lillian J. Rollins | 36 | Lodger | Teacher | Massachusetts |
| 28 | William R. Brundage | 32 | Lodger | Carpenter | Canada English |
| 29 | Adolph W. Carter | 39 | Lodger | Ignition Man | Massachusetts |
| 30 | James F. Dolan | 31 | Head | Repair Man | Rhode Island |
| 31 | Winifred Dolan | 57 | Mother | — | England |
| 32 | Louis C. Mitchel | 42 | Head | Chauffeur | Maine |
| 33 | Mary M. Mitchel | 41 | Wife-H | — | Rhode Island |
| 34 | Mabel Milligan | 35 | Head-H | — | New Hampshire |
| 35 | Russell Milligan | 15 | Son | — | Massachusetts |
| 36 | Harold Milligan | 13 | Son | — | Massachusetts |
| 37 | Elsie Milligan | 11 | Daughter | — | Massachusetts |
| 38 | Agnes Milligan | 9 | Daughter | — | Massachusetts |
| 39 | John Milligan | 2 | Son | — | Massachusetts |
| 40 | Antonio Alba | 52 | Head | Laborer | Portugal |
| 41 | Joseph Alba | 29 | Son | Fireman | Massachusetts |
| 42 | Helen Alba | 20 | Daughter-in-law | — | New Jersey |
| 43 | Joseph Jr. Alba | 7 | Grandson | — | Massachusetts |
| 44 | Coraline Alba | 5 | Daughter-in-law | — | Massachusetts |
| 45 | Paul Alba | 25 | Son | Laborer | Massachusetts |
| 46 | John Greene | 36 | Head | Foreman | Rhode Island |
| 47 | Virginia Greene | 38 | Wife-H | — | Italy |
| 48 | Mary Greene | 8 | Daughter | — | Rhode Island |
| 49 | Peter Greene | 5 | Son | — | Rhode Island |
| 50 | Teresa Greene | 4 | Daughter | — | 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)