I have the 1880 census CDs and ran a search for Margaret with both surnames and born in CT with a two year span. Found the following: WELCH, Margaret M. Dau <1864> F W CT CT WELCH, Margaret C. Dau <1865> F W CT MA WELCH, Margret Dau <1865> F W CT CT WELCH, Margaret E. Dau <1865> F W CT CT WELCH, Maggie E. Other <1865> F W CT CT WELCH, Maggie Dau <1866> F W CT CT WELCH, Margaret Other <1866> F W CT CT WALSH, Margret Dau <1863> F W CT CT WALSH, Margaret Dau <1866> F W CT CT WALSH, Margaret Dau <1867> F W CT CT WALCH, Margaret Dau <1867> F W CT CT What follows is the Margaret C. who is listed above who may or may not be the right one. If you want the info on the others, please let me know and I'll try to get it done before Xmas. Census Place: Springfield, Hampden, Massachusetts Source: FHL Film 1254536 National Archives Film T9-0536 Page 188D Relation Sex Marr Race Age Birthplace Bridgett WELCH Self F M W 49 IRELAND Occ: Keeping House Fa: IRELAND Mo: IRELAND Thomas S. WELCH Son M S W 23 CT Occ: Boiler Maker Fa: IRELAND Mo: IRELAND Nora J. WELCH Dau F S W 20 CT Occ: Button Maker Fa: IRELAND Mo: IRELAND Margaret C. WELCH Dau F S W 15 CT Occ: Em-Silk Factory Fa: IRELAND Mo: IRELAND Teresa WELCH Dau F S W 14 CT Occ: Em-Silk Factory Fa: IRELAND Mo: IRELAND Anna S. WELCH Dau F S W 11 CT Occ: At School Fa: IRELAND Mo: IRELAND Bernard L. WELCH Son M S W 9 CT Occ: At School Fa: IRELAND Mo: IRELAND Then I ran a search for John Pratt. What follows appears to be the most likely match. I don't know if you have this info or not, but I thought I'd pass it on just in case you don't. Census Place: Newark, Essex, New Jersey Source: FHL Film 1254778 National Archives Film T9-0778 Page 201A Relation Sex Marr Race Age Birthplace Alfred PRATT Self M M W 39 ENG Occ: Lock Smith Fa: ENG Mo: ENG Mary Ann PRATT Wife F M W 39 ENG Occ: House Keeping Fa: ENG Mo: ENG Sarah E. PRATT Dau F W 18 ENG Occ: Thread Factory Fa: ENG Mo: ENG Alfred A. PRATT Son M W 16 ENG Occ: Lock Smith Fa: ENG Mo: ENG John J. PRATT Son M W 14 ENG Occ: At School Fa: ENG Mo: ENG Helen PRATT Dau F S W 11 ENG Occ: At School Fa: ENG Mo: ENG Alice J. PRATT Dau F S W 9 NJ Occ: At School Fa: ENG Mo: ENG Bertha PRATT Dau F S W 6 NJ Fa: ENG Mo: ENG Henrietta PRATT Dau F S W 2 NJ Fa: ENG Mo: ENG