MH
Mary Harding — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Harding across the 1900, 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1845), then head of a 4-person household.
Age 55
b. ~1845
Female
Head
Born: Massachusetts
Widowed
1900 Census Record Details
| Census Year | 1900 |
| Location | Middlesex, Massachusetts |
| Surname | Harding |
| Given Name | Mary E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| Birth Month | May |
| Birth Year | 1845 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1845 |
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.
4 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Harding | Head | — | 55 | ~1845 |
| William Harding | Son | — | 29 | ~1871 |
| Abigail Harding | Daughter | — | 20 | ~1880 |
| Ellen O'Brien | Other | — | 25 | ~1875 |
Census Appearances
1900
Middlesex, Massachusetts
Head, age 55
Middlesex, Massachusetts · implied b. ~1845 — 4 household members
| Surname | Harding |
| Given Name | Mary E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| Birth Month | May |
| Birth Year | 1845 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1910
Middlesex, Massachusetts
Other, age 64
Middlesex, Massachusetts · implied b. ~1846 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harding |
| Given Name | Mary E |
| Relationship to Head | Mother |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| Children Born | 3 |
| Children Living | 3 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Industry | Own income |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Other, age 74
Middlesex, Massachusetts · implied b. ~1846 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harding |
| Given Name | Mary E |
| Relationship to Head | Mother-in-law |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Harding across 3 US Census years (1900, 1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Harding
Head · 1900 · age 55 · b. ~1845 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1900 US Federal Census — Middlesex, Massachusetts
Open full size
1900 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu656unit:0439)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Catherine A Power | 35 | Sister | Dressmaker | Massachusetts |
| 52 | Teresa Collins | 25 | Servant | Servant | Massachusetts |
| 53 | Mary E Harding THIS PERSON | 55 | Head | — | Massachusetts |
| 54 | William F Harding | 29 | Son | Compositor | Massachusetts |
| 55 | Abigail H Harding | 19 | Daughter | At School | Massachusetts |
| 56 | Ellen O'Brien | 24 | Servant | Servant | New York |
| 57 | Frances Parker | 54 | Head | — | Maine |
| 58 | George Parker | 20 | Son | Florist | Massachusetts |
| 59 | Madeline Parker | 18 | Daughter | — | Massachusetts |
| 60 | Isabel L Boyd | 56 | Sister | Dressmaker | Maine |
| 61 | George M Young | 53 | Boarder | Machinist | Maine |
| 62 | John H Wells | 58 | Boarder | Oil Merchant | Maine |
| 63 | Lizzie P Wells | 56 | Boarder | — | Maine |
| 64 | Mary A Williams | 74 | Boarder | — | England |
| 65 | James Whitworth | 31 | Head | Machinist | England |
| 66 | Jennie Whitworth | 31 | Wife | — | England |
| 67 | Fredrick W Whitworth | 6 | Nephew | At School | Massachusetts |
| 68 | Henry Kerr | 47 | Head | Iron Cast Maker | Scotland |
| 69 | Mary Kerr | 43 | Wife | — | Massachusetts |
| 70 | George F Kerr | 18 | Son | Bookkeeper | Massachusetts |
| 71 | William Williams | 37 | Head | Machinist | Scotland |
| 72 | Janet Williams | 40 | Wife | — | Scotland |
| 73 | Kate Howard | 59 | Aunt | — | Scotland |
| 74 | Arnold J Mason | 52 | Head | Cabinet Maker | Massachusetts |
| 75 | Catherine Mason | 81 | Mother | — | Canada (Eng) |
| 76 | Gertrude E Mason | 51 | Wife | — | Maine |
| 77 | Arnold E Mason | 4 | Son | — | Massachusetts |
| 78 | Celestine G Mason | 7 | Daughter | At School | Massachusetts |
| 79 | Frank Beaudoin | 57 | Head | Hotel Steward | Massachusetts |
| 80 | Matilda L Beaudoin | 56 | Wife | — | England |
| 81 | Arthur E Harding | 33 | Head | Asst Mgr (Pub) | Massachusetts |
| 82 | Harriet E Harding | 32 | Wife | — | Massachusetts |
| 83 | Almeth Steinmann | 33 | Boarder | Bookkeeper | Germany |
| 84 | Francis Hickman | 34 | Head | Living Stable Keeper | New Hampshire |
| 85 | Jennie W Hickman | 35 | Wife | — | Canada (Eng) |
| 86 | Herbert E Hickman | 5 | Son | — | Massachusetts |
| 87 | Sadie Lyon | 25 | Sister-in-law | Paper Box Maker | Canada (Eng) |
| 88 | Hedley A Egerly | 28 | Boarder | Teamster | Canada (Eng) |
| 89 | Stewart H Lawson | 36 | Head | Laborer (Furniture) | Maine |
| 90 | Willie E Lawson | 32 | Wife | — | Maine |
| 91 | Howard E Lawson | 11 | Son | At School | Maine |
| 92 | Arthur E Lawson | 4 | Son | — | Maine |
| 93 | George Lothian | 31 | Head | Printer | Massachusetts |
| 94 | Evelyn M Lothian | 31 | Wife | — | Massachusetts |
| 95 | Charlotte S Thomas | 30 | Boarder | — | Massachusetts |
| 96 | Walter W Thomas | 3 | Boarder | — | Massachusetts |
| 97 | Lillian V Thomas | 0 | Boarder | — | Massachusetts |
| 98 | Henry Jones | 39 | Head | Laborer (Grain Facty) | New Hampshire |
| 99 | Maude A Jones | 37 | Wife | Groceries | Canada (Eng) |
| 100 | Alice A Jones | 0 | Daughter | — | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1900 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)