MC
Mary Costello — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Mary Costello across the 1920, 1930 and 1940 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 3-person household.
Age 53
b. ~1867
Female
Head
Born: Massachusetts
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Essex, Massachusetts |
| Surname | Costello |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Matron |
| Industry | Municipal |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Matron |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1867 |
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.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Pearl Costello | Daughter | — | 28 | ~1892 |
| Mary Costello | Head | — | 53 | ~1867 |
| Francis Costello | Son | — | 19 | ~1901 |
Census Appearances
1920
Essex, Massachusetts
Head, age 53
Essex, Massachusetts · implied b. ~1867 — 3 household members
| Surname | Costello |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Matron |
| Industry | Municipal |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Other, age 62
Essex, Massachusetts · implied b. ~1868 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costello |
| Given Name | Mary E |
| Relationship to Head | Head-H |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| Age at First Marriage | 20 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Matron |
| Industry | Comfort Station |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 11500 |
| Radio Set | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Head, age 74
Essex-County, Massachusetts · implied b. ~1866 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Castello |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Haverhill City |
| 1935 Residence (County) | Essex |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same House |
| 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 Costello across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Costello
Head · 1920 · age 53 · b. ~1867 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Essex, Massachusetts
Open full size
1920 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu692unit:0734)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Silas Penny | 57 | Head | Labor Miner | Newfoundland |
| 2 | Emma Penny | 53 | Wife | — | Ireland |
| 3 | Annie Penny | 25 | Daughter | Book Keeper | New Hampshire |
| 4 | Irene Penny | 17 | Daughter | Mender | New Hampshire |
| 5 | Charles Penny | 14 | Son | — | New Hampshire |
| 6 | Sadie O'Brien | 29 | Head | — | Ireland |
| 7 | Hessie O'Brien | 1 | Daughter | — | Massachusetts |
| 8 | Annie Mcgeoghegan | 26 | Sister | Weaver | Ireland |
| 9 | Catherine Mcgeoghegan | 24 | Sister | Weaver | Ireland |
| 10 | Patrick Mcgeoghegan | 37 | Brother | Spinning Ex | Ireland |
| 11 | John O'Brien | 15 | Brother-in-law | Cleaner | Massachusetts |
| 12 | William Rodden | 52 | Head | Overseer | New Hampshire |
| 13 | Annie Rodden | 48 | Wife | — | New Hampshire |
| 14 | Vincent Rodden | 19 | Son | Sticker | New Hampshire |
| 15 | Clement Rodden | 17 | Son | Stock Boy | New Hampshire |
| 16 | Adrian Rodden | 16 | Son | Clerk | New Hampshire |
| 17 | John Glendinning | 36 | Head | Shipper | Scotland |
| 18 | Katie Glendinning | 33 | Wife | — | Scotland |
| 19 | Robert Green | 30 | Lodger | Filling Carrier | Scotland |
| 20 | Maggie Glendinning | 29 | Sister | Speck Drawer | Scotland |
| 21 | William Glendinning | 27 | Brother | Bleacher | Scotland |
| 22 | Isabella Mcquade | 62 | Head | — | Scotland |
| 23 | Katherine Mcquade | 39 | Daughter | Weaver | Scotland |
| 24 | Margaret Mcquade | 34 | Daughter | Weaver | Scotland |
| 25 | Gertrude Mcquade | 27 | Daughter | Weaver | Scotland |
| 26 | Margaret Powers | 67 | Sister | Weaver | Scotland |
| 27 | Will Roby | 31 | Head | Labor Miner | New Hampshire |
| 28 | Carrie Roby | 31 | Wife | — | Nova Scotia |
| 29 | Annabelle Roby | 10 | Daughter | — | Massachusetts |
| 30 | Howard Roby | 9 | Son | — | Massachusetts |
| 31 | Ellsworth Roby | 7 | Son | — | Massachusetts |
| 32 | Leta Roby | 6 | Daughter | — | Massachusetts |
| 33 | John Wilson | 29 | Head | Finisher | Scotland |
| 34 | Ellen Wilson | 25 | Wife | — | England |
| 35 | Douglas Wilson | 1 | Son | — | Massachusetts |
| 36 | Ellen Wilson | 1 | Daughter | — | Massachusetts |
| 37 | Wesley Preston | 52 | Head | Trucker | New Hampshire |
| 38 | Julia Preston | 47 | Wife | — | Massachusetts |
| 39 | Florence Preston | 22 | Daughter | Carder | Massachusetts |
| 40 | Myra Preston | 21 | Daughter | Telephone Operator | Massachusetts |
| 41 | Mary Preston | 18 | Daughter | Bookkeeper | Massachusetts |
| 42 | Francis Preston | 18 | Son | Helper | Massachusetts |
| 43 | Dennis Sullivan | 62 | Head | Packer | Ireland |
| 44 | Ellen Sullivan | 62 | Wife | — | Ireland |
| 45 | Margaret Sullivan | 27 | Daughter | Examiner | Massachusetts |
| 46 | Edward Brosnahan | 27 | Head | Plumber | Massachusetts |
| 47 | Cecilia Brosnahan | 25 | Wife | — | Massachusetts |
| 48 | Mary Costello THIS PERSON | 53 | Head | Matron | Massachusetts |
| 49 | Pearl Costello | 28 | Daughter | — | Massachusetts |
| 50 | Francis Costello | 19 | Son | Car Repairer | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)