ML
Mary Lord — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Lord across the 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 8-person household.
Age 33
b. ~1897
Female
Spouse
Born: Massachusetts
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Lord |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 24 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1897 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Thomas Lord | Son | — | ~1930 | |
| Mary Lord | Other | — | 74 | ~1856 |
| John Lord | Son | — | 2 | ~1928 |
| Charles Lord | Head | — | 36 | ~1894 |
| Francis Lord | Son | — | 5 | ~1925 |
| Margaret Lord | Daughter | — | 2 | ~1928 |
| Mary Lord | Spouse | — | 33 | ~1897 |
| Daniel Lord | Son | — | 6 | ~1924 |
Census Appearances
1930
Middlesex, Massachusetts
Spouse, age 33
Middlesex, Massachusetts · implied b. ~1897 — 8 household members
| Surname | Lord |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 24 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Spouse, age 43
Middlesex-County, Massachusetts · implied b. ~1897 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Loud |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge |
| 1935 Residence (County) | Middlesex |
| Industry | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Massachusetts |
| 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 Lord across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lord
Spouse · 1930 · age 33 · b. ~1897 · Massachusetts
★ You are viewing this record
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:massachusettscensus00reel915:0984)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sarah A Wallace | 60 | Head | — | Massachusetts |
| 2 | Mary E Burgin | 62 | Head | — | Irish Free State |
| 3 | Catherine A Burgin | 56 | Sister | — | Massachusetts |
| 4 | Charles J Burgin | 42 | Head | Painter | Massachusetts |
| 5 | Elizabeth F Burgin | 45 | Wife | — | Massachusetts |
| 6 | Charles R Burgin | 18 | Son | — | Massachusetts |
| 7 | Edward Ready | 47 | Head | Salesman | Maine |
| 8 | Florence Ready | 45 | Wife | Baker | Massachusetts |
| 9 | Margaret Geary | 40 | Head | Waitress | Massachusetts |
| 10 | Evelyn Geary | 11 | Daughter | — | Massachusetts |
| 11 | Edward Geary | 9 | Son | — | Massachusetts |
| 12 | Jeremiah F Dillon | 21 | Head | Matt Maker | Massachusetts |
| 13 | Marie E Dillon | 20 | Wife | — | Massachusetts |
| 14 | Jeremiah Dillon | 2 | Son | — | Massachusetts |
| 15 | Florence Cronin | 26 | Head | Waitress | Massachusetts |
| 16 | Dorothy De Champs | 12 | Boarder | Stitcher | Massachusetts |
| 17 | Margaret Crowley | 74 | Head | — | Massachusetts |
| 18 | William H Crowley | 47 | Son | Machinist | Massachusetts |
| 19 | Clarence W Rano | 35 | Head | Machinist | Vermont |
| 20 | Hazel B Rano | 35 | Wife | — | Massachusetts |
| 21 | Virginia Rano | 12 | Adopted Dau | — | Virginia |
| 22 | Eleanor Rano | 11 | Daughter | — | Massachusetts |
| 23 | Dorothy Rano | 9 | Daughter | — | Massachusetts |
| 24 | James Barry | 57 | Head | Helper | Irish Free State |
| 25 | Mary T Barry | 58 | Wife | — | Irish Free State |
| 26 | Sarah A Barry | 19 | Daughter | Operator | Massachusetts |
| 27 | Margaret F Barry | 18 | Daughter | Clerk | Massachusetts |
| 28 | Helen T Barry | 14 | Daughter | — | Massachusetts |
| 29 | Frank P Rosa | 63 | Head | Laborer | Azores |
| 30 | Geneveva J Rosa | 59 | Wife | — | Azores |
| 31 | Elena Pimentel | 35 | Daughter | Salesgirl | Azores |
| 32 | Lillian R Pimentel | 12 | Grand-dau | — | Massachusetts |
| 33 | Charles A Lord | 36 | Head | Chauffeur | Massachusetts |
| 34 | Mary A Lord THIS PERSON | 33 | Wife | — | Massachusetts |
| 35 | Daniel J Lord | 6 | Son | — | Massachusetts |
| 36 | Francis G Lord | 5 | Son | — | Massachusetts |
| 37 | Margaret T Lord | 2 | Daughter | — | Massachusetts |
| 38 | John P Lord | 2 | Son | — | Massachusetts |
| 39 | Thomas E Lord | 0 | Son | — | Massachusetts |
| 40 | Mary A Lord | 74 | Mother | — | Massachusetts |
| 41 | William A Strickland | 32 | Head | Laborer | Canada English |
| 42 | Sarah Strickland | 33 | Wife | — | Canada English |
| 43 | Moses W Strickland | 9 | Son | — | Canada English |
| 44 | Lucy E Strickland | 7 | Daughter | — | Canada English |
| 45 | John C Strickland | 4 | Son | — | Massachusetts |
| 46 | Susan Strickland | 2 | Daughter | — | Massachusetts |
| 47 | Sarah Strickland | 0 | Daughter | — | Massachusetts |
| 48 | Samuel Eisner | 28 | Partner | Shoe Cutter | Canada English |
| 49 | Priscilla Eisner | 27 | Partner | Shoe Maker | Canada English |
| 50 | Lucy Strickland | 64 | Mother | — | Canada English |
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)