MC
Mary Connolly — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Dubuque, Iowa
Our Model Tree links this Mary Connolly across the 1900 and 1910 US Censuses in Dubuque, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1899), then head of a 9-person household.
Age 11
b. ~1899
Female
Daughter
Born: Iowa
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Dubuque, Iowa |
| Surname | Connolly |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Vernon Township |
| Est. Birth Year | ~1899 |
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.
9 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Paul Connolly | Son | — | 3 | ~1907 |
| Mary Connolly | Daughter | — | 11 | ~1899 |
| Rosa Connolly | Spouse | — | 40 | ~1870 |
| Harold Connolly | Son | — | 13 | ~1897 |
| Vincent Connolly | Son | — | 14 | ~1896 |
| Catherine Connolly | Daughter | — | 6 | ~1904 |
| Patrick Connolly | Head | — | 46 | ~1864 |
| Albert Connolly | Son | — | ~1910 | |
| Joseph Connolly | Son | — | 16 | ~1894 |
Census Appearances
1900
Dubuque, Iowa
Daughter, age
Dubuque, Iowa · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connolly |
| Given Name | Mary G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Birth Month | Apr |
| Birth Year | 1900 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1910
Dubuque, Iowa
Daughter, age 11
Dubuque, Iowa · implied b. ~1899 — 9 household members
| Surname | Connolly |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Connolly across 2 US Census years (1900 and 1910) in Dubuque, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Connolly
Daughter · 1910 · age 11 · b. ~1899 · Iowa
★ You are viewing this record
Sibling
Harold Connolly
Sibling · 1910 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Connolly
Sibling · 1910 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Connolly
Sibling · 1910 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Connolly
Sibling · 1910 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Connolly
Sibling · 1910 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Connolly
Sibling · 1910 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1910 US Federal Census — Dubuque, Iowa
Open full size
1910 US Federal Census — Dubuque, Iowa
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po401unit:0837)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Powers | 40 | Head | Farmer | Iowa |
| 52 | Jacob Englehart | 20 | Hired man | Farm Laborer | Iowa |
| 53 | Mary A. Chapman | 50 | Head | Farmer | Iowa |
| 54 | Evaline Chapman | 23 | Daughter | — | Iowa |
| 55 | Catherine Chapman | 20 | Daughter | — | Iowa |
| 56 | Edward Chapman | 18 | Son | Farm Laborer | Iowa |
| 57 | Robert Chapman | 16 | Son | Farm Laborer | Iowa |
| 58 | Richard Chapman | 11 | Son | — | Iowa |
| 59 | Gail Chapman | 8 | Son | — | Iowa |
| 60 | Patrick P. Connolly | 46 | Head | Farmer | Iowa |
| 61 | Rosa Connolly | 40 | Wife | — | Iowa |
| 62 | Joseph Connolly | 16 | Son | Farm Laborer | Iowa |
| 63 | Vincent Connolly | 14 | Son | Farm Laborer | Iowa |
| 64 | Harold Connolly | 13 | Son | Farm Laborer | Iowa |
| 65 | Mary Connolly THIS PERSON | 11 | Daughter | — | Iowa |
| 66 | Catherine Connolly | 6 | Daughter | — | Iowa |
| 67 | Paul Connolly | 3 | Son | — | Iowa |
| 68 | Albert Connolly | 0 | Son | — | Iowa |
| 69 | Henry Dougherty | 57 | Head | Farmer | Iowa |
| 70 | Rose Dougherty | 52 | Wife | — | Iowa |
| 71 | James Dougherty | 14 | Son | — | Iowa |
| 72 | Albert Reynolds | 20 | Hired man | Farm Laborer | Iowa |
| 73 | — | None | — | — | — |
| 74 | — | None | — | — | — |
| 75 | — | None | — | — | — |
| 76 | — | None | — | — | — |
| 77 | — | None | — | — | — |
| 78 | — | None | — | — | — |
| 79 | — | None | — | — | — |
| 80 | — | None | — | — | — |
| 81 | — | None | — | — | — |
| 82 | — | None | — | — | — |
| 83 | — | None | — | — | — |
| 84 | — | None | — | — | — |
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| 86 | — | None | — | — | — |
| 87 | — | None | — | — | — |
| 88 | — | None | — | — | — |
| 89 | — | None | — | — | — |
| 90 | — | None | — | — | — |
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| 94 | — | None | — | — | — |
| 95 | — | None | — | — | — |
| 96 | — | None | — | — | — |
| 97 | — | None | — | — | — |
| 98 | — | None | — | — | — |
| 99 | — | None | — | — | — |
| 100 | — | None | — | — | — |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)