Notes:
From the records of Mrs. Katie Sonon (1914) as reported in the "Royers of America" book published in 1928 by by J.G. Francis (1928), p. 47.
1910: Manor, Lancaster, Pennsylvania
Emanuel S Mumma32, m1: 12 yrs, cigar maker, cigar factory
Irine Mumma 32, m1: 12 yrs, 3 children, 3 living, cigar maker, cigar factory
Clyde Mumma 11
Lucy Mumma 10
Maud Mumma 8
1920: Lancaster Ward 8, Lancaster, Pennsylvania
Emanuel S Mumma 41, repairman, radiator works
Irene Mumma, wife, 41
Clyde L Mumma, son, 21, married, repairman, radiator works
Lucy Mumma, dau, 20, single, inspector, victrola works
Maude Mumma, dau, 18, single, inspector, victrolla works
1930: Lancaster, Lancaster, Pennsylvania, USA
115 Coral Street
Emanuel Mumma 52, salesman, automobiles
Irene Mumma 52
Lucy E Mumma 30, single, inspector, watch factory
Maud E Mumma 27, single, inspector, watch factory
1940: Lancaster, Lancaster, Pennsylvania
Residence in 1935: Same House
Emanuel Mumma 62, salesman retail automobiles
Irene Mumma 62
Lucy Mumma 40, single, inspector watch factory