Wife: Julia Dwyer, b. abt. 1816 Ireland. She was alive in 1880, living with children Catharine, John and Thomas. She is listed in the 1893 Milwaukee city directory (widow of Hugh), living at 197 Detroit.
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1850 - Milwaukee, Milwaukee, WI
Hugh McGrath 29 Ireland
Julia McGrath 30 Ireland
Mary M. McGrath 12 Ireland
Catharine McGrath 10 Ireland
Patrick McGrath 9 Ireland
Bridget McGrath 6 Wisconsin
Ann McGrath 2 Wisconsin
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1860 - Milwaukee, Milwaukee, WI

Hugh Mc Grath M 46 Ireland
Julia Mc Grath F 44 Ireland
Mary Mc Grath F 20 Ireland
Catharine Mc Grath F 19 Ireland
Patrick Mc Grath M 17 Ireland
Bridget Mc Grath F 15 Canada
Annie Mc Grath F 11 Ohio
John Mc Grath M 9 Wisconsin
Thomas Mc Grath M 4 Wisconsin
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1880 Milwaukee, Milwaukee, WI
Julia McGrath 65 Ireland / widowed
Thomas McGrath 26 WI son
John McGrath 28 WI son
Kate McGrath 30 Ireland daughter
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Annie McGrath
Born: 10 March 1850 Lowell, Mahoney co., Ohio
[Source: Wisconsin, Births & Christenings, 1826-1926]

Bridget McGrath
Born: 14 Feb 1840 St. Catharine, Canada
[Source: Wisconsin, Births & Christenings, 1826-1926]

Kate McGrath
Born: 24 Oct 1842 Ireland
[Source: Wisconsin, Births & Christenings, 1826-1926]

Thomas McGrath
Born: 29 Nov 1855 Milwaukee, Milwaukee co., Wisconsin
[Source: Wisconsin, Births & Christenings, 1826-1926]

John McGrath
Born: 15 Jan 1852 Milwaukee, Milwaukee co., Wisconsin
[Source: Wisconsin, Births & Christenings, 1826-1926]

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Bridgit McGrath married 29 July 1872 Milwaukee to Francis Keeting
[Source: Wisconsin Marriages, 1836-1930]

Ann Teresa McGrath married 25 Nov 1875 Milwaukee to James McGinn
[Source: Wisconsin Marriages, 1836-1930]
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