MM
Mary Mcmahon — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Oakland, Michigan
Our Model Tree links this Mary Mcmahon across the 1900 and 1910 US Censuses in Oakland, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1861), then head of a 10-person household.
Age 39
b. ~1861
Female
Spouse
Born: Michigan
Married
1900 Census Record Details
| Census Year | 1900 |
| Location | Oakland, Michigan |
| Surname | McMahon |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Michigan |
| Birth Month | Oct |
| Birth Year | 1861 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Independence Township Clarkston Village |
| Est. Birth Year | ~1861 |
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.
10 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Nina Mcmahon | Daughter | — | 11 | ~1889 |
| Doris Mcmahon | Daughter | — | 5 | ~1895 |
| Alena Mcmahon | Daughter | — | 14 | ~1886 |
| Ethel Mcmahon | Daughter | — | 16 | ~1884 |
| Sadie Mcmahon | Daughter | — | 18 | ~1882 |
| John Mcmahon | Head | — | 44 | ~1856 |
| Deborah Green | Other | — | 78 | ~1822 |
| Arnold Mcmahon | Son | — | 8 | ~1892 |
| Don Mcmahon | Son | — | 9 | ~1891 |
| Mary Mcmahon | Spouse | — | 39 | ~1861 |
Census Appearances
1900
Oakland, Michigan
Spouse, age 39
Oakland, Michigan · implied b. ~1861 — 10 household members
| Surname | McMahon |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Michigan |
| Birth Month | Oct |
| Birth Year | 1861 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1910
Oakland, Michigan
Spouse, age 48
Oakland, Michigan · implied b. ~1862 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMahon |
| Given Name | May |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Michigan |
| Years Married | 25 |
| Children Born | 7 |
| Children Living | 7 |
| Father's Birthplace | New York |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Mcmahon across 2 US Census years (1900 and 1910) in Oakland, Michigan, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcmahon
Spouse · 1900 · age 39 · b. ~1861 · Michigan
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1900 US Federal Census — Oakland, Michigan
Open full size
1900 US Federal Census — Oakland, Michigan
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu735unit:0729)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Hazel C Bump | 12 | Daughter | At School | Michigan |
| 52 | Arthur Bird | 68 | Head | Land Lord | New York |
| 53 | Orpha Bird | 67 | Wife | — | New York |
| 54 | Ariel X Bird | 30 | Daughter | — | Michigan |
| 55 | Melvina Johnson | 73 | Head | — | New York |
| 56 | John W Mcmahon | 43 | Head | Produce Dealer | Michigan |
| 57 | Mary Mcmahon THIS PERSON | 38 | Wife | — | Michigan |
| 58 | Sadie G Mcmahon | 17 | Daughter | At School | Michigan |
| 59 | Ethel M Mcmahon | 15 | Daughter | At School | Michigan |
| 60 | Alena Mcmahon | 13 | Daughter | At School | Michigan |
| 61 | Nina E Mcmahon | 10 | Daughter | At School | Michigan |
| 62 | Don C Mcmahon | 8 | Son | At School | Michigan |
| 63 | Arnold C Mcmahon | 7 | Son | At School | Michigan |
| 64 | Doris Mcmahon | 5 | Daughter | — | Michigan |
| 65 | Deborah Green | 78 | Mother | — | New York |
| 66 | George Rhoades | 51 | Head | Lumber Dealer | Michigan |
| 67 | Amanda Rhoades | 50 | Wife | — | Michigan |
| 68 | Arthur Rhoades | 26 | Son | — | Michigan |
| 69 | John M Coyle | 9 | Son | Day Laborer | Michigan |
| 70 | Hubert Hadsell | 28 | Head | — | New York |
| 71 | Sarah Golden | 51 | Housekeeper | Housekeeper | Canada Eng |
| 72 | William V Vliet | 45 | Head | Store Salesman | New Jersey |
| 73 | Lilla A Vliet | 39 | Wife | — | Michigan |
| 74 | Clyde R Vliet | 18 | Son | Salesman Grocery | Michigan |
| 75 | Iris Vliet | 8 | Daughter | At School | Michigan |
| 76 | Lewis L Vliet | 6 | Son | — | Michigan |
| 77 | Paul O Vliet | 1 | Son | — | Michigan |
| 78 | William Tiffany | 43 | Head | Blacksmith | Michigan |
| 79 | Bertha E Tiffany | 34 | Wife | — | Illinois |
| 80 | Walker E Tiffany | 8 | Son | At School | Michigan |
| 81 | Iris H Tiffany | 7 | Daughter | At School | Michigan |
| 82 | Gladys Tiffany | 3 | Daughter | — | Michigan |
| 83 | William Smith | 38 | Head | Stock Dealer | Michigan |
| 84 | Lottie M Smith | 37 | Wife | — | Michigan |
| 85 | Nina E Smith | 16 | Daughter | At School | Michigan |
| 86 | Sydney S Smith | 12 | Son | At School | Michigan |
| 87 | Julia M Smith | 10 | Daughter | At School | Michigan |
| 88 | William D Smith | 7 | Son | At School | Michigan |
| 89 | Leda E Smith | 6 | Daughter | — | Michigan |
| 90 | Frank Gager | 47 | Head | Blacksmith | New York |
| 91 | Emily Gager | 44 | Wife | — | Michigan |
| 92 | Francis Gager | 13 | Son | At School | Michigan |
| 93 | Emil Jossman | 26 | Head | Grain Dealer | Michigan |
| 94 | Maggie M Jossman | 24 | Wife | — | Michigan |
| 95 | Albert Jossman | 22 | Brother | Laborer Farm | Michigan |
| 96 | David Green | 37 | Head | Produce Dealer | Michigan |
| 97 | Mary A Green | 30 | Wife | — | Michigan |
| 98 | J Kendal Green | 2 | Son | — | Michigan |
| 99 | Marion Green | 0 | Daughter | — | Michigan |
| 100 | Sophia Clark | 37 | Head | Seamstress | Michigan |
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)