HI Marjorie,
IN 1880, we find William Todd born Ireland 1840 living is Elizabethtown, Essex Co NY.
William Todd 40 Ireland
Mary A. Todd 32 New York
Eliza A. Todd 13
Catherine Todd 8
John Todd 83 Ireland
Curiously, in 1870, there was another Irish couple living there on the same page of the census as William Todd b 1839
John Todd 70 b Ireland
Jane Todd 60 b Ireland
William Todd 29 b Ireland
Mary A Todd 22 b NY
Lizzey Todd 3 b NY
This William Todd appeared in the 1890 Veterans schedule, confirming his participation in the Civil War:
William Todd, Private, enlisted1861, discharged1863, Home (1890): Elizabethtown, Essex, New York
Company K, 38th Regt NY volunteers, Wounded in Right Side(sp?)
In 1860, we find William living with John and Jane Todd in Lewis, Essex Co NY
John Todd 55 b 1805 Ireland
Jane Todd 55 b 1805 Ireland
William Todd 21 b 1839 Ireland