| Hymn Title | Tune | Genre | Recorded | Suggested | First_line | Refrain | First_pub | Times Published | Meter | Music_key | Cp_status | Cp_catalog | Cp_admin | Ccli_nbr | Song_metadata_url | Lyrics_url | Hymnary.org URL | Stanzas |
| Of the Father's Love Begotten | DIVINUM MYSTERIUM | Public Domain Hymn | 0 | 0 | Of the Father's love begotten | 1 | 8.7.8.7.8.7.7 | X | 0 | 0 | 1 | |||||||
| Oh for a Thousand Tongues | BINION | Public Domain Hymn | 0 | 0 | Glory to the Lamb Whose throne forever reigns; God in the highest, Worthy to merit our praise. | 1 | Irregular | X | 0 | 0 | 1 | |||||||
| Oh, the Glory of Your Presence | HIS PRESENCE | Public Domain Hymn | 0 | 0 | Oh, the glory of Your presence | 1 | Irregular | X | 0 | 0 | 1 | |||||||
| Once in Royal David's City | IRBY | Public Domain Hymn | 1 | 4 | Once in royal David's city stood a lowly cattle shed, Where a mother laid her Baby | 1848 | 360 | 8.7.8.7.7.7 | F | P | 0 | 0 | https://hymnary.org/text/once_in_royal_davids_city_stood_a_lowly | 5 | ||||
| Once to Every Man and Nation | [Once to Every Man and Nation] | Public Domain Hymn | 0 | 0 | Once to every man and nation Comes the moment to decide, | 1 | X | 0 | 0 | 1 | ||||||||
| One Day | ONE DAY | Public Domain Hymn | 10 | 3 | One day when heaven was filled with His praises, | Living He loved me, dying He saved me, buried He carried my sins far away | 1908 | 154 | 11.10.11.10 with ref | Db | P | 0 | 0 | https://library.timelesstruths.org/music/One_Day/ | https://hymnary.org/text/one_day_when_heaven_was_filled_with_his | 5 | ||
| One Small Child | ONE SMALL CHILD | Public Domain Hymn | 0 | 0 | One small Child in a land of a thousand, One small dream of a Savior tonight, | 1 | Irregular | X | 0 | 0 | 1 | |||||||
| Only Believe | ONLY BELIEVE | Public Domain Hymn | 0 | 0 | Fear not little flock, from the cross to the throne | Only believe, only believe; All things are possible, only believe; | 1921 | 1 | Irregular | C | X | 0 | 0 | 1 | ||||
| Open My Eyes, That I May See | SCOTT | Public Domain Hymn | 10 | 3 | Open my eyes, that I may see Glimpses of truth Thou hast for me; | None | 1895 | 220 | Irregular | Ab | P | 0 | 0 | https://hymnary.org/text/open_my_eyes_that_i_may_see | 3 | |||
| Open Our Eyes, Lord | OPEN OUR EYES | Public Domain Hymn | 0 | 0 | Open our eyes, Lord, we want to see Jesus, | 1 | Irregular | Ab | X | 0 | 0 | 1 |