1850 US Census, New Hampshire, Rockingham Co., Derry Township
Page 319 Family 43
Fergison, Mary, age 43, born Maine, living with another family
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1850 US Census, New Hampshire, Rockingham Co., Newmarket Township
Page 172 Family 613
Ferguson , George H., age 13, born NH, living with another family
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Page 9 Family 150
Ferguson , Sarah F., age11, born MA, living with another family
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1850 US Census, New Hampshire, Rockingham Co., Portsmouth Township
Page 36 Family 529
Ferguson , Mariah, female, age 56, $300, born NH
Ada M., age 2, born NH
John H., age 27, blacksmith, born NH
Living with family #528
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1850 US Census, New Hampshire, Rockingham Co., Portsmouth Township
Page 58 Family 855
Ferguson , Mary A., age 22, born NH, living with another family
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1850 US Census, New Hampshire, Rockingham Co., Portsmouth Township
Page 96 Family 1201
Furguson, Catherine, age 22, born in Ireland, living with another family