Eighty-seven single custodial fathers were surveyed to test the validity of previously developed typologies and/or construct a more empirically valid framework with implications for adjustment to the role. Mendes1 (1975) aggressive seekers, conciliatory seekers, conciliatory assenters, and aggressive assenters were compared to O'Brien's (1980) hostile seekers, conciliatory negotiators, and passive acceptors. In addition to demographic variables, relationship to ex-wife and child, and reasons for becoming single and obtaining custody, several personality variables were included along with measures of adjustment. One year follow-up measures of adjustment were collected to evaluate implications of typologies in adjustment. Two nearly equal groups were established in a Q type factor analysis of continuous data. Factor loadings of individual cases suggest a continuum of the two types of single fathers, rather than two distinct groups. Group differences were evaluated in a series of MANOVA and Chisquare analyses. Analysis included six factor scores from a supplemental R factor analysis of selected variables. Type I fathers are characterized as older, more passive, selfreflective, and aloof in interpersonal relationships. They are somewhat less oriented toward a relationship with their children and had felt satisfied with their wives* care of them. Alternatively, Type II fathers are younger, active, assured (not self-reflective), and person-oriented. They are more oriented toward relationship with their children and had felt dissatisfied with how their wives had cared for their children. Several overlapping characteristics of the Type I/II typology with Mendes1 seeker/assenter continuum are discussed. Limitations of the longitudinal adjustment data restrict the conclusions that can be drawn about differential adjustment of Types I and II. Comparisons with adjustment of other typologies suggest that extremes on the typology continuum are most at risk for problems in adjustment to the single custodial role. Implications for helping professions and future research are discussed.