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There are just too many Ed Egans. [http://en.wikipedia.org/wiki/Egan Egan] is an Irish surname, the Republic of Ireland is 86.8% Catholic[http://en.wikipedia.org/wiki/Republic_of_Ireland#Religion], and the Catholic Church has been opposed to any form of birth control[http://en.wikipedia.org/wiki/Religious_views_on_birth_control#Roman_Catholicism] since about 191AD (''The Instructor of Children 2:10:91:2''). Likewise, Edward (and hence Ed) is a common English (and Spanish, Portugese and Proto-Germanic) 'Christian' name[http://en.wikipedia.org/wiki/Edward]. Edward is perhaps particularly common in conjunction with the surname Egan, because it alliterates and trips off the tongue nicely. '''Do the math(s)'''.